2023 report: Electoral registers in the UK

Summary

We run accuracy and completeness studies to measure the quality of the electoral registers, and assess how this changes in response to legislative developments and administrative and population changes.

The results of this study on the December 2022 registers finds that levels of completeness are broadly stable across the UK with the notable exceptions of Northern Ireland which has seen a significant increase in registration levels since 2018 and, to a lesser extent, Wales where we also see a positive change. The accuracy of the registers is also stable, again with the exception of Northern Ireland where there has been an improvement.

The changes in Northern Ireland bring levels of accuracy and completeness broadly into line with England, Scotland and Wales; both are at the highest levels we have recorded through these research studies. These improvements are the direct result of the recent 2021 canvass in Northern Ireland, something we also saw following the previous canvass in 2013. However, in our earlier studies we have seen declines between canvasses when the continuous registration system is operating.

In Great Britain, both accuracy and completeness are largely stable. The annual canvass process was reformed in 2019 by the UK, Scottish and Welsh governments with the aim of reducing the burden on Electoral Registration Officers (EROs) while maintaining levels of accuracy and completeness. There is no evidence of any significant negative impact on either measure as a result of canvass reform but there has also been no significant improvement.

summary

Across the UK, potentially as many as 8 million people are not correctly registered at their current address (the research estimated a range of around 7-8 million people not correctly registered on the local government registers in December 2022). This matters because, while people can register ahead of each set of elections, it increases the chances that people will think they are registered when they are not and therefore be unable to vote come election day. Also, the more updates that are required to the registers in the short period before a poll, the more pressure is placed on the delivery of the service for voters. 

The Commission plays an important part in addressing under-registration through our continuing public awareness campaigning work, which we update regularly to ensure we are in-line with the latest insights about both voter attitudes and the demographic patterns of under-registered groups.

However, there is little evidence to suggest that levels of accuracy and completeness are likely to significantly improve without major changes to the current electoral registration system.

change

We have highlighted since 2019 how the UK’s governments could support EROs to improve the accuracy and completeness of electoral registers – and improve efficiency to alleviate resource burdens, by introducing modern registration approaches to supplement the current annual canvass and year-round online registration.

These would involve utilising data from the many millions of transactions that voters already have with major public sector organisations. Depending on the quality and coverage of the data sets, and the specific data fields that are available, changes could support different levels and forms of modernisation, ranging from automatic registration to forms of integrated or assisted registration where voters would need to provide some information directly themselves.

We have set out a range of options for how specific data sources could be used to improve the accuracy and completeness of electoral registers, and in particular how registration rates of attainers and other young people, private renters and other recent home-movers could be improved. Further exploratory work would be needed to confirm the detailed feasibility and delivery implications of these options.

The electoral community needs a clear plan to ensure that electoral registration processes are modernised so that people are registered and able to exercise their right to vote. As part of this plan we recommend that the UK’s governments should pass legislation to create clear legal gateways for government departments and public sector bodies to share data on potentially eligible individuals with EROs. They should also require relevant departments and other public bodies to work with EROs to facilitate electoral registration using their data. We also recommend that the UK Government should develop the existing Individual Electoral Registration digital service so that it can support secure and efficient data sharing between data source organisations and EROs, to enable modern registration processes to be delivered.

definition

Our approach to assessing the quality of the electoral registers is based on two measures: accuracy and completeness. 

By accuracy we mean that ‘there are no false entries on the electoral registers’.

The accuracy of the electoral registers is therefore a measure of the percentage of entries on the registers which relate to verified and eligible voters who are resident at that address. Inaccurate register entries may relate to entries which have become redundant (for example, due to home movement), which are ineligible and have been included unintentionally, or which are fraudulent.

By completeness we mean that ‘every person who is entitled to have an entry in an electoral register is registered’.

The completeness of the electoral registers therefore refers to the percentage of eligible people who are registered at their current address. The proportion of eligible people who are not included on the register at their current address constitutes the rate of non-registration

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The table above shows the percentage point change in completeness and accuracy compared to our last study in 2018. However, as these are survey results and subject to margins of error, not all of these changes are likely to be statistically significant.

Overall across Great Britain, the completeness of the local government registers has increased slightly, while accuracy has stayed the same. The increase in completeness in Wales is likely to be a real improvement since 2018 while the apparent decline in Scotland is within the margin of error and should be treated as no change. In Northern Ireland, there has been a notable improvement in both the accuracy and completeness of the registers.

Figures for the parliamentary registers are not shown but closely mirror the findings for the local government registers.

Underneath these headline figures, the completeness and accuracy of the registers is expected to vary considerably across local authority areas due to the demographics of the local population as well as registration practices.

Detailed results by part of the UK are available in factsheets:

The completeness of the registers varies for different socio-demographic groups. These patterns are largely consistent with the findings of our previous studies. Across the UK, age and duration at address were the variables most strongly associated with differences in completeness. Older people and those who have lived at their address longer are more likely to be correctly registered.

Variations in accuracy are more difficult to analyse because characteristics can only be collected for current residents. However, as in previous studies, we see that households where the existing residents have lived there for less time are more likely to have inaccurate register entries linked to them.

You can also explore the data by headline demographics using our interactive tool.

Quantifying Completeness and Accuracy

Using the percentage figures produced from this research, it is possible to estimate the number of people in the population who are not correctly registered, or who have inaccuracies in their register entries.

Location Not correctly registered Inaccurate register entries
United Kingdom 7,000,000 - 8,000,000 5,300,000 - 6,200,000
Great Britain 6,700,000 - 7,800,000 5,100,000 - 6,000,000
England 5,600,000 - 6,600,000 4,300,000 - 5,200,000
Scotland 650,000 - 1,000,000 390,000 - 640,000
Wales 275,000 - 400,000 200,000 - 300,000
Northern Ireland 230,000 - 280,000 170,000 - 210,000

These can only be estimates for the following reasons:

  • Both the completeness and accuracy estimates are subject to confidence intervals (for example, +/- 1.1% for completeness in Great Britain and 1.9% in Northern Ireland; +/- 1% for accuracy in Great Britain and 1.5% for Northern Ireland). These margins will also apply to any quantification of the estimates.
  • The overall population figures on which these are based, sourced from the Office for National Statistics, are mid-year estimates derived from the 2021 census. While these provide a reasonably accurate estimate of the UK population, they do not include nationality figures. As eligibility to vote differs by election and is determined by age and nationality, this means that it is not possible to definitively determine the size of the population which is eligible to vote.

Population mobility

Previous research into the registers, which are property-based databases, has found a connection between home movement and completeness: greater mobility is associated with lower levels of completeness, while the longer an individual has been resident at their property, the more likely they are to appear on the electoral registers.

This pattern continues in this latest research, with completeness lowest among those who have lived at their address for less than a year and increasing by length of residence.

Since 2018 in Northern Ireland, completeness has increased most significantly for those who have lived at their address for less than five years. This is likely to be a direct result of the 2021 canvass.

Completeness of the local government register by length of residence  

Location Great Britain England Scotland Wales Northern Ireland
Year 2018 2022 2018 2022 2018 2022 2018 2022 2018 2022
Up to 1 year 36% 39% 36% 40% 32% 33% 45% 53% 11% 20%
More than 1, up to 2 years 71% 72% 70% 73% 65% 63% 29% 44%
More than 2, up to 5 years 84% 82% 83% 82% 84% 81% 83% 83% 61% 76%
More than 5, up to 10 years 90% 91% 90% 92% 91% 83% 83% 86% 78% 82%
More than 10, up to 16 years 88% 92% 88% 92% 95% 89% 88% 91% 80% 92%
Over 16 years 92% 95% 92% 95% 94% 92% 91% 95% 90% 92%

Demographic characteristics

Completeness also varies by demographic factors.

Levels of completeness continue to increase with age.

As in 2018, completeness is highest for those aged 65+. It also remains lowest for attainers aged 16-17. In Great Britain completeness for this group has dropped further from 45% in 2015, to 25% in 2018, to 16% in 2022. In Northern Ireland the level for attainer registration has increased, albeit from virtually zero in 2018 and to a lower level than in Great Britain.

Otherwise the pattern of completeness by age group has not changed dramatically since 2018.

Location Great Britain England Scotland Wales Northern Ireland
Year 2018 2022 2018 2022 2018 2022 2018 2022 2018 2022
16 - 17 25% 16% - - - - - - 0% 12%
18 - 19 66% 60% 72% 70% 68% 68% 66% 79% 31% 45%
20 - 24 68% 67% 61% 76%
25 - 34 74% 74% 50% 69%
35 - 44 82% 84% 83% 84% 78% 76% 78% 82% 70% 83%
45 - 54 90% 91% 90% 91% 91% 88% 85% 90% 81% 87%
55 - 64 90% 94% 90% 94% 95% 93% 92% 91% 85% 90%
65+ 94% 96% 95% 97% 95% 92% 92% 97% 94% 95%

Bases (unweighted): Great Britain 2018 8,152, Great Britain 2022 9,434, Northern Ireland 2018 1,445, Northern Ireland 2022 1,946

In 2018, for Great Britain and Northern Ireland there was little or no difference in the likelihood that men and women would be correctly registered. In 2022, however, women were marginally more likely to be correctly registered than men. The differences in Scotland and Wales are not statistically significant.

 
Location Great Britain England Scotland Wales Northern Ireland
Year 2018 2022 2018 2022 2018 2022 2018 2022 2018 2022
Male 83% 85% 82% 85% 85% 82% 80% 86% 72% 81%
Female 83% 87% 83% 87% 82% 81% 82% 87% 73% 84%

Base (unweighted): Great Britain 2022 9,490, Northern Ireland 2022 1,947, Great Britain 2018 8,215, Northern Ireland 2018 1,447 

Findings corroborate previous research which show that registration rates are lower among eligible non-UK nationals than among UK or Irish nationals.

UK and Irish citizens continue to be the most likely to have complete electoral register entries. However, in Great Britain, EU citizens have seen an increase in their registration levels and are slightly more likely to be registered than Commonwealth citizens. Small base sizes do not allow for separate analyses of EU and Commonwealth citizens in Scotland, Wales or Northern Ireland.

Location Great Britain England Scotland Wales Northern Ireland
Year 2018 2022 2018 2022 2018 2022 2018 2022 2018 2022
UK/Irish 86% 87% 85% 88% 85% 84% 82% 88% 74% 84%
Non-UK/Irish 55% 68% 55% 68% 58% 44% 58% 70% 45% 41%
European Union 54% 70% 54% 71% - - - - 42% -
Commonwealth 62% 66% 62% 67% - - - - 80% -

Bases (unweighted): Great Britain 2018 8,186, Great Britain 2022 10,045, Northern Ireland 2018 1,437, Northern Ireland 2022 2,018 

As in previous studies, completeness in Great Britain is highest among those from a white ethnic background. Small base sizes mean we cannot analyse variation in levels of completeness for different ethnic groups in Northern Ireland.

Since 2018, completeness rates have increased for every group except those from Black ethnic backgrounds where it has fallen from 75% to 72%.

Location Great Britain
Year 2018 2022
White 84% 87%
Asian 76% 80%
Black 75% 72%
Mixed 69% 72%
Other 62% 71%

 Base (unweighted): 2022 9,404, 2018 8,157

As in previous years, completeness is higher among those with a disability than among those without. Of those with a disability, completeness was highest among those with a physical condition and lowest among those with a mental disability.

Location Great Britain Northern Ireland
Year 2018 2022 2018 2022
Mental disability 83% 84% 71% 79%
Physical disability 92% 92% 83% 88%
Other type of disability 93% 89% - 84%
No disability 82% 85% 72% 82%

Bases (unweighted): Great Britain 2018 8,091, Great Britain 2022 9,447, Northern Ireland 2018 1,444, Northern Ireland 2022 1,935

Socio-economic conditions

Beyond demographics, there are also differences in completeness across key social and economic factors.

 

Levels of completeness are affected by socio-economic status. With the exception of Scotland, completeness is highest among those in AB households, followed by those in C1 and C2 households. Completeness is lowest among those in DE households. The unusually high level of completeness in Scotland for C2 households is an outlier and may be a distortion caused by a relatively small base size.

Location Great Britain England Scotland Wales Northern Ireland
Year 2018 2022 2018 2022 2018 2022 2018 2022 2018 2022
AB 86% 89% 86% 89% 88% 86% 87% 87% 80% 88%
C1 85% 86% 84% 87% 85% 76% 82% 86% 72% 82%
C2 80% 86% 80% 85% 80% 88% 82% 89% 76% 83%
DE 80% 81% 79% 81% 78% 78% 76% 85% 63% 78%

Base (unweighted): Great Britain 2022 9,472, Great Britain 2018 8,782, Norther Ireland 2022 1,942, Northern Ireland 2018 1,718

In previous years, tenure has been strongly associated with levels of completeness and this relationship continues in 2022. Outright homeowners are more likely to be registered than people in other types of tenure.

Private renters again had the lowest level of completeness.

Location Great Britain England Scotland Wales Northern Ireland
Year 2018 2022 2018 2022 2018 2022 2018 2022 2018 2022
Owner Occupier 91% 95% 91% 95% 95% 91% 91% 94% 88% 91%
Buying on mortgage/shared ownership 86% 88% 86% 88% 87% 84% 78% 84% 72% 82%
Private renter 58% 65% 59% 66% 49% 45% 60% 73% 38% 46%
Local authority renter 83% 79% 83% 79% 87% 84% 86% 73% 64% 78%
Housing Association renter 82% 79% 84% 80% 73% 72% 76% 82%

Bases (unweighted): Great Britain 2018 8,790, Great Britain 2022 9,259, Northern Ireland 2018 1,718, Northern Ireland 2022 1,930 

Levels of completeness are lower for larger households. In Great Britain overall levels of completeness for one or two person households are notably higher than three to five person households. The pattern is flatter in Northern Ireland with limited differences although the base size for households with six or more residents is very small.

Location Great Britain England Scotland Wales Northern Ireland
Year 2018 2022 2018 2022 2018 2022 2018 2022 2018 2022
One 86% 88% 86% 86% 79% 79% 82% 90% 72% 80%
Two 84% 88% 84% 89% 84% 83% 83% 87% 73% 83%
Three to five 81% 82% 81% 82% 85% 80% 77% 85% 72% 83%
Six or more 78% 79% 79% 80% 96% 81%

Base (unweighted): Great Britain 2022 9,495, Great Britain 2018 8,791, Northern Ireland 2022 1,948, Northern Ireland 2018 1,718 

Geography

Key differences by geographic categories are shown below.

There continues to be some variation in levels of completeness among the regions in England. However, the confidence intervals on the results mean that most differences are not statistically significant. The East Midlands does record significantly higher completeness levels compared to London.

Location Great Britain
Year 2018 2022
Eastern 79% 86%
East Midlands 83% 91%
London 81% 82%
North East 83% 88%
North West 85% 84%
South East 84% 88%
South West 84% 86%
West Midlands 86% 87%
Yorkshire and Humber 87% 86%

In both Great Britain as a whole and in Northern Ireland, completeness remains slightly higher in rural areas as compared with urban areas. There is little or no difference between the categories in Scotland and Wales.

Location Great Britain England Scotland Wales Northern Ireland
Year 2018 2022 2018 2022 2018 2022 2018 2022 2018 2022
Urban 83% 85% 83% 86% 84% 88% 81% 87% 70% 81%
Rural 85% 89% 84% 90% 91% 88% 81% 86% 76% 85%

Bases (unweighted): Great Britain 9,474, Northern Ireland 1,943 

In England, among different types of local authority area, the most notable change in completeness has been among London boroughs with an increase from 76% in 2018 to 82% in 2022.

Location Great Britain Great Britain
Year 2018 2022
District 84% 89%
London Borough 76% 82%
Metropolitan Borough 86% 85%
Unitary authority 83% 84%
Scottish unitary 83% 81%
Welsh unitary 81% 87%
Northern Ireland 73% 83%

Bases (unweighted): Great Britain, 9,495, Northern Ireland 1,943

Attitudinal and behavioural characteristics

Registering to vote requires action by voters and people's attitudes to both registering and voting therefore also have a bearing on levels of completeness.

Completeness is lowest among people who believe that ‘it is not really worth registering’ and is highest among those who think it is ‘everyone’s duty to register to vote’.

Location Great Britain Northern Ireland
Year 2018 2022 2018 2022
It is not really worth registering 72% 74% 54% 69%
It is only worth registering to get a better credit reference 68% 80% 52% 82%
People should only register to vote if they care who wins an election 79% 83% 68% 72%
It is everyone's duty to register to vote 85% 91% 77% 87%

Base (unweighted): Great Britain 2022, 4,692, 2018 4,679; Northern Ireland 2022 935, 2018 945 

Location Great Britain Northern Ireland
Year 2018 2022 2018 2022
It is not really worth voting 78% 77% 62% 74%
People should only vote if they care who wins an election 79% 84% 64% 77%
It is everyone's duty to vote 84% 91% 77% 86%

Base (unweighted): Great Britain 2022 4,664, 2018 4,679; Northern Ireland 2022 919, 2018 945 

Additional questions were asked in Northern Ireland to explore how completeness here might vary according to citizens’ political affiliation. Completeness is higher among than those who identify as Nationalist or Unionist than it is among those who do not hold any of the listed political identities (Unionist, Loyalist, Republican, Nationalist).

Location Northern Ireland
Year 2018 2022
Nationalist 76% 89%
Unionist 80% 92%
Neither 65% 76%

Base (unweighted): 2022 899, 2018 945 

Types of inaccurate entries

In analysing the accuracy of the electoral registers, a number of

different types of error can be identified. These errors are then categorised as

either a ‘major’ or ‘minor’ error:

A minor error would not prevent someone from casting their vote (e.g. a misspelt name). A major error is any of the following:

  • A. Entries which refer to individuals who no longer live at the given address
  • B. Entries which may prevent an individual casting their vote at a polling station (e.g. an incorrect name)
  • C. Errors that would enable an ineligible person to vote (e.g. an incorrect date of birth for someone under the age of 18)

A breakdown of the types of errors used to calculate the accuracy of the registers can be found in the table below.

Location Great Britain England Scotland Wales Northern Ireland
Year 2018 2022 2018 2022 2018 2022 2018 2022 2018 2022

Major errors total

11.2% 11.7% 8.7% 11.7% 10.9% 12.1% 8.8% 10.8% 20.1% 14.1%
Major errors (A) - No corresponding name taken at address 10.4% 9.8% 7.7% 9.8% 10.0% 9.7% 8.2% 9.3% 18.7% 13.0%
Major errors (B) 0.7% 1.1%

0.6%

1.2% 0.5% 0.8% 0.2% 0.6% 0.7% 0.7%

First name and/or surname wrong on register

0.4% 0.7% 0.3% 0.7% 0.2% 0.5% 0.2% 0.3% 0.5% 0.5%
First name and/or surname missing on register 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
UK/Irish/ Commonwealth marker present 0.3% 0.5% 0.3% 0.5% 0.3% 0.4% 0.0% 0.3% 0.2% 0.2%
Major errors (C) 0.5% 0.7% 0.4% 0.7% 0.4% 1.6% 0.4% 0.9% 0.6% 0.2%
Name on register corresponds to ineligible name on survey 0.2% 0.3% 0.1% 0.3% 0.1% 0.0% 0.2% 0.0% 0.5% 0.2%
Attainers - DOB missing or wrong 0.1% 0.2% 0.1% 0.1% 0.2% 1.6% 0.0% 0.8% 0.0% 0.0%
EU/Qualifying foreign citizens marker missing 0.2% 0.2% 0.2% 0.2% 0.1% 0.1% 0.2% 0.1% 0.1% 0.0%
Accurate with minor errors 9.1% 8.8% 7.9% 8.9% 9.6% 14.3% 7.9% 9.0% 5.6% 7.6%

Bases (unweighted): Great Britain 2018 9,155, Great Britain 2022 9,478, Northern Ireland 2018 1,783, Northern Ireland 2022 1,975

Demographic characteristics

Examining demographic variation of inaccuracies on the electoral registers is challenging. This is because we cannot record demographic details for an individual who is registered but no longer lives at the address. The analysis below takes into account household data where a resident was interviewed. However, this data still only presents a limited picture and so must be treated with caution.

Accuracy by tenure follows a similar pattern to completeness. In Great Britain owner-occupier households are the most likely to have accurate register entries (96%). In Northern Ireland, 89% of those who own their home outright have accurate register entries, as do 90% of those who have a mortgage or shared ownership.

Location Great Britain England Scotland Wales Northern Ireland
Year 2018 2022 2018 2022 2018 2022 2018 2022 2018 2022
Owner Occupier 95% 96% 96% 96% 90% 94% 94% 95% 86% 89%
Buying on mortgage/shared ownership 95% 91% 95% 91% 94% 89% 93% 92% 86% 90%
Private renter 81% 77% 81% 78% 79% 58% 82% 78% 61% 75%
Local authority renter 92% 88% 92% 87% 91% 94% 91% 88% 82% 83%
Housing Association renter 91% 90% 91% 90% 86% 91% 91% 85%

 Bases (unweighted): 2022 Great Britain 8,816, Northern Ireland 1,881

Social grade is also calculated at the household level, based on the occupation of the chief income earner. Whereas in 2018, there was a slight negative correlation between social grade and accuracy, in 2022 accuracy was almost entirely flat across the social grades in both Great Britain and Northern Ireland.

Location Great Britain England Scotland Wales Northern Ireland
Year 2018 2022 2018 2022 2018 2022 2018 2022 2018 2022
AB 94% 97% 95% 91% 89% 91% 93% 92% 86% 99%
C1 93% 98% 93% 91% 93% 87% 96% 93% 85% 98%
C2 93% 98% 94% 93% 90% 90% 95% 93% 82% 98%
DE 89% 98% 89% 89% 88% 92% 86% 88% 78% 98%

Bases (unweighted): 2022 Great Britain 8,449, Northern Ireland 1,708 

Accuracy in both Great Britain and Northern Ireland follows the same pattern as completeness when looking at how long households have occupied their accommodation, with higher levels of inaccuracy at households with a more recent change in residency.

Location Great Britain England Scotland Wales Northern Ireland
Year 2018 2022 2018 2022 2018 2022 2018 2022 2018 2022
Up to 1 year 56% 54% 57% 54% 71% 67% 73% 69% 22% 38%
More than 1, up to 2 years 93% 84% 93% 84% 58% 85%
More than 2, up to 5 years 94% 91% 94% 91% 97% 88% 92% 93% 84% 87%
More than 5, up to 10 years 96% 94% 96% 94% 98% 91% 93% 91% 90% 91%
More than 10, up to 16 years 95% 94% 95% 94% 92% 94% 96% 92% 90% 93%
Over 16 years 95% 95% 96% 95% 91% 93% 95% 96% 87% 89%

Bases (unweighted): 2022 Great Britain 8,342, Northern Ireland 1,685 

recs

We and many others – including Parliamentary committees, professional associations and academics – have repeatedly highlighted evidence that illustrates the impact of the current failing systems of electoral registration in the UK:

  • Evidence from our programme of electoral registration research over more than a decade continues to show that up to 8 million people across the UK are either missing from the registers or incorrectly registered, meaning they are unable to have their say. We have consistently found that some specific groups of people are significantly less likely to be correctly registered, particularly young people, people who live in private rented accommodation, and those who have recently changed address. The number of people it is estimated are not correctly registered is more than the combined adult population of Scotland and Wales, and would be equivalent to more than 100 UK Parliament constituencies.
  • Although changes to the annual canvass in Great Britain have helped to reduce the resource and capacity taken up through unnecessarily chasing households with no change, there is evidence from the most recent annual canvass in 2022 to suggest that it is a significantly less effective mechanism for identifying 16- and 17-year-olds who are newly eligible to register, compared with older people. There is no evidence from our most recent research on the 2022 registers that canvass reform has led to any significant improvement in the accuracy or completeness of the registers for Great Britain.
  • Our analysis of the most recent canvass in Northern Ireland in 2021 highlighted that,  in its current format, the canvass is not an efficient tool for helping to maintain an accurate and complete electoral register, both for the Chief Electoral Officer and for voters. Although the improvements in the accuracy and completeness of the 2022 registers highlighted in this research are the result of the 2021 canvass, we have previously seen subsequent declines between canvasses when the continuous registration system is operating. The registration system continues to struggle to capture population movement in the period between each canvass, and the canvass process itself requires the Electoral Office to contact and receive a response from all eligible electors, even if they were registered before the canvass and their details had not changed.
  • Our recent research on attitudes to registration has highlighted that people continue to face both practical and knowledge barriers to registering to vote under the current system. These include misunderstanding about the registration process and incorrect assumptions about whether people are already registered, and low levels of urgency or priority to register to vote. Some people don’t realise that they need to actively apply to register to vote, don’t know how to apply, and don’t view registration as a priority when they change address.
  • An accessible online registration process means it is easy for people to apply to register, update or confirm their registration throughout the year, and to do so close to the deadline for an election. But, as we highlighted in our report on the 2019 UK Parliamentary general election, this means that large volumes of electoral registration activity are focused in the weeks leading up to major electoral events, which significantly increases risks to well-run elections.

Evidence from our programme of electoral registration research over more than a decade shows that a large number of people remain incorrectly registered. There is little evidence to suggest that levels of accuracy and completeness are likely to significantly improve without major changes to the current electoral registration system.

The introduction of online registration since 2014 (and since 2018 in Northern Ireland) has improved access and made it easier for people to register to vote ahead of specific electoral events, but there is no evidence that it has had a lasting significant positive impact on overall levels of accuracy or completeness. The most recent data from the 2022 registers shows no significant improvement in Great Britain in the proportion of people who are correctly registered, even if the decline in rates of accuracy and completeness identified in previous studies appears to have at least paused.

We have highlighted since 2019 feasibility studies which showed how the UK’s governments could support EROs to improve accuracy and completeness of electoral registers – and improve efficiency to alleviate resource burdens – by giving them access to high-quality data from other public service organisations. This would allow EROs to take advantage of the many millions of transactions that voters already have with major public sector organisations, and could sit alongside and enhance existing annual canvass and year-round online registration activities.

The Welsh Government has already highlighted its intention to work with local authorities to design and pilot automatic voter registration for devolved elections, and we will continue to work with EROs and the Welsh Government to support further development of this important area of work.

The electoral community needs a clear plan to modernise electoral registration processes

Changes to the way elections and electoral registers are run should be considered in consultation with the whole electoral community. The experiences of voters, electoral administrators, and political parties and campaigners are important considerations in building a registration system that works well for everyone, and to ensure all eligible voters can have their say at elections.

Developing specific detailed proposals to move towards more automatic or automated systems of electoral registration would need to involve a broad range of partners:

  • Data source organisations (for example, the DVLA/DVA, HMRC or HMPO) would bring their detailed understanding of the data and transactions that they currently manage, and would need reassurance that data sharing is operationally straightforward, secure and legally compliant.
  • Technical partners, including electoral management software suppliers and the IER digital service which is managed by officials at the Department for Levelling Up, Housing and Communities (DLUHC) supported by the Government Digital Service, would need to work together with the data source organisations to ensure the secure and efficient management of data and transfer to individual EROs.
  • EROs themselves would need to consider any changes to their teams and processes, so that they are able to integrate automatic or automated registration alongside the existing annual canvass and year-round online registration.
  • Governments would need to legislate to create the necessary legal gateways for data sharing by data source organisations, and to specify the powers and duties of EROs to determine registration applications created using automatic or automated processes.
  • The Information Commissioner’s Office would need to provide advice and guidance on how to manage information risks relating to data sharing.

Making electoral registration more joined-up with other public services and citizen transactions raises particularly important questions relating to data protection and cyber security. In its February 2023 written evidence to the Levelling Up, Housing and Communities (LUHC) Committee inquiry on electoral registration, the Department for Levelling Up, Housing and Communities highlighted measures already put in place to improve the robustness and security of the IER digital service alongside further recommendations for improvements – for example, in relation to cyber incident reporting in the local government sector. Similar or equivalent protections would also be needed for any systems established to manage the provision and use of data for automatic or automated electoral registration processes.

Recommendations: Delivering modern registration processes

Recommendations: Delivering modern registration processes

The electoral community needs a clear plan to ensure that electoral registration processes are modernised so that people are registered and able to exercise their right to vote.

As part of this plan the UK, Scottish and Welsh governments should pass legislation that creates clear legal gateways for government departments and public sector bodies to share data on potentially eligible individuals with Electoral Registration Officers. This is needed to enable EROs to register them to vote directly, or to send them targeted invitations to register.

All three governments should require relevant departments and other public bodies to work with EROs to facilitate electoral registration using their data. A consistent approach between governments would ensure that changes are developed and delivered in a way which makes it as straightforward as possible for EROs and data source organisations, and ensures that voters are accurately included in the registers for all types of elections they are eligible to vote in.

The UK Government should develop the existing Individual Electoral Registration (IER) digital service so that it can support secure and efficient data sharing between data source organisations and EROs and their electoral management software systems, to enable modern registration processes to be delivered.

Automatic registration

Automatic registration means that a data source organisation would provide EROs with the names and addresses of people who meet the eligibility criteria for registration. Because of the specific information required to register to vote, it is likely that very few data sources would be able to support fully automatic registration. The case study below highlights how the information required to be provided by British citizens as part of the passport application process could meet these requirements.

The ERO would contact these people at their home address to inform them that they will be added to the register, giving them the opportunity to request to be registered as an anonymous elector if their safety would be at risk from being registered as an ordinary elector. There would also be an opportunity for anyone else living at the address to provide evidence that the person is not in fact eligible to be registered there.

Subject to any further evidence that the person was not eligible to register, the ERO would add them directly to the register.

The data source organisation could limit the information it provided to EROs to include only new or recently updated records. This would give EROs reassurance that the data was current and should reduce the risk of duplicating registration activity with people who have already applied to register.

A centralised data processing service, similar to the current IER digital service, could be used to simplify the process of transferring data between data source organisations and EROs. This could also be used to screen potential new electors against current electoral registers, to minimise duplicate registrations.

Automatic registration of voters is common around the world

The Joseph Rowntree Reform Trust published a report in 2020 called Is it time for Automatic Voter Registration in the UK?. According to the report, 40 countries considered to be liberal democracies have automatic registration. More recent international comparative research has shown that automatic registration not only increases the completeness of electoral registers, but also has a positive impact on accuracy.

According to the International Institute for Democracy and Electoral Assistance (IDEA), in Argentina, Austria, Chile, Denmark, Estonia, Germany, Japan, Italy, Spain, and South Korea (among others), the national electoral register is extracted from the population/civil registry.

The Australian Electoral Commission operates the Federal Direct Enrolment and Update program. It uses trusted data from other government agencies to add some individuals to the electoral roll or to update their electoral registration. It writes to individuals to inform them of the addition or update.

In five American states, according to the National Conference of State Legislatures, when an individual applies for a driving licence and/or engages with another state agency, the data from the transaction is used to register them to vote. The voter receives a notification informing them that they will be registered unless they respond to it and decline the registration.

In Canada the National Register of Electors is updated using data from provincial and territorial drivers’ licence, statistics and electoral agencies. Elections Nova Scotia updates the voters’ list data from a variety of sources including the Registry of Motor Vehicles, the Nova Scotia Civic Address File and Elections Canada.

case study

Automatic registration case study: using HM Passport Office data to improve registration among young people and recent home-movers

HM Passport Office (HMPO) is an agency of the Home Office which issues passports to British citizens. HMPO carries out identity checks to verify an applicant’s identity, including with the Driver & Vehicle Licensing Agency. Passport data is already shared with around 80 government departments and public sector bodies to carry out around 25 million identity checks each year.

HMPO forecasts that it will receive around 7.4 million passport applications in the next year. These applications will cover the full range of age groups, including applications from young people aged 16 and over applying for adult passports, and people who have recently moved home.

When someone applies for a passport, they must provide their name, date of birth, evidence of British citizenship, and home address for delivery of the passport. Although HMPO does not collect National Insurance numbers from applicants, it does undertake rigorous checks to verify applicants’ identities, which could provide a sufficient level of assurance for an electoral registration application (equivalent to the assurance currently provided by checking National Insurance numbers).

Once HMPO has verified the identity of an applicant, this data could be transferred to EROs to automatically register them to vote. To do this, the ERO would write to the individual, informing them that they are going to be placed on the register, giving them the opportunity to correct any mistakes and to request to be registered anonymously if their safety would be at risk from being registered as an ordinary elector.

There would also be an opportunity for anyone else living at the address to provide evidence that the person is not eligible to be registered there.

Sharing HMPO data for electoral registration would require identifying an appropriate legal gateway. Legislative changes are likely to be required to create a gateway.

Integrated registration

An integrated registration model means that registering to vote would be integrated within another public service transaction. At the end of those transactions, people would be asked whether they also want to register to vote.

If the individual confirms that they do, relevant data would be transferred to an electoral registration application. The individual would be provided with information about eligibility to vote and asked to confirm their eligibility in the same way they are currently required to when applying using the online electoral registration service. They would also provide any missing data, such as National Insurance number and nationality.

Once complete, this data would be transferred to the relevant ERO via the IER digital service. The ERO would process the application, add them to the register and write to confirm their addition.

As the individual would have recently updated their details as part of that public service transaction and provided the remaining data required for registration, EROs could be sure that their data, in particular their address, was up to date.

A number of countries and territories integrate electoral registration into other public service transactions

In Canada citizens can agree to share their data with Elections Canada on their federal income tax return. New citizens can agree to share their data with Immigration, Refugees and Citizenship Canada on their citizenship applications.

According to the National Conference of State Legislatures, in 17 American states and Washington DC, people are asked if they want to register when applying for a driving licence from the state’s Department of Motor Vehicles and/or when interacting with another government agency. If they agree, their details are added to the state voter registration database.

Integrated registration case study: using university student enrolment to improve registration among young people

Integrated registration case study: using university student enrolment to improve registration among young people

Cardiff University has integrated an electoral registration module into its online process for enrolling students. Enrolment tasks open in September and students have until the third week of October to complete them, including the electoral registration task.

The university holds name, address, date of birth and nationality data about students. It has developed a coding system for rooms in its halls of residence to assist the Electoral Services Team at Cardiff City Council to match the addresses with the council’s systems.

Students are asked if they want to register to vote. If they do, the university asks them to provide the additional data needed to complete the registration application. This includes their National Insurance number and whether they want to be on the open/full register.

Once the university has the data needed for registration applications, it sends it to the Electoral Services Team at Cardiff City Council, which registers the students. Over 8,000 students’ details are sent to Cardiff City Council annually and around 90% of these students are registered each year. Once the information is sent to the Council, Cardiff University deletes from its student record system any data relating to this process that it does not use internally.     

case study

Integrated registration case study: using the driving licence application or renewal process to improve registration among recent movers and young people

The Driver & Vehicle Licensing Agency (DVLA) is the executive agency responsible for issuing driving licences in Great Britain. The Driver & Vehicle Agency (DVA) is the Northern Ireland Executive agency responsible for issuing driving licences in Northern Ireland.

Individuals interact with the agencies when they apply for a provisional driving licence, renew or reapply for their photocard driving licence at the end of the 10-year validity period, and when they move address. Both agencies hold name, address and date of birth data but not nationality data or National Insurance numbers.

DVLA receives around 1 million applications for provisional driving licences and around 4 million address change notifications each year. DVA processed just over 29,000 applications for provisional driving licences and around 26,000 name and address change notifications from April 2022 to March 2023.

An electoral registration prompt asking drivers if they want to register to vote could be integrated into these transactions. The data that DVLA or DVA already hold could be used to prepopulate an electoral registration application, with the driver filling in any missing data. The completed applications would then be sent to the relevant Electoral Registration Officer via the IER digital service, who would determine the application and register them. DVLA is currently developing an online account for new licences. A prompt could be integrated into users’ accounts asking if they want to register to vote.

Assisted registration

Assisted registration means that a data source organisation would provide EROs with the names and addresses of people who may be eligible to vote, taking into account relevant information about the qualification criteria. The ERO would then write to those individuals inviting them to register. The invitation would ask them to provide any missing information needed to complete their registration (such as their nationality or their national insurance number), and give them the opportunity to request to be registered as an anonymous elector.

As with automatic registration, transferring only recent transactional data to the specific EROs would ensure that the data is current. A centralised data processing service, similar to the current IER digital service, could be used to simplify the process of transferring data and to reduce the potential for large numbers of records being shared with EROs.

It is common around the world for public bodies to share data to assist with voter registration

Elections New Brunswick (ENB) in Canada receives information on a regular basis about name and address changes from drivers’ licence information. ENB carries out automated and manual checks to attempt to match that data with information on the Register of Electors. If a match is not found, ENB sends the individual a certification form and return envelope. The individual must complete the certification to confirm they meet the eligibility requirements to register and return it to ENB. They are then added to the register.

Assisted registration case study:

Assisted registration case study: using National Insurance data to improve registration of attainers

HM Revenue and Customs (HMRC) holds data about children whose parents or carers have claimed child benefit and/or tax-free childcare/thirty free hours of childcare. This includes the child’s name and date of birth. When a child reaches the age of 15 years and 9 months, HMRC issues a National Insurance number (NINO) to them which is sent in the post to their parent or carer’s address. It issues around 700,000 each year.

HMRC does not keep a record of children’s nationalities, and NINOs are issued regardless of nationality. HMRC does not have a record for every child in the UK as not every parent or carer makes a claim for child benefit or tax-free childcare/thirty free hours. HMRC is also dependent on claimants to keep their address details up-to-date.

Nonetheless, the name, address and date of birth of those young people issued with NINOs could be shared with EROs, who could then send an Invitation to Register to those young people, prepopulated with this data. They would be invited to provide their nationality information, sign the declaration and post the completed application to the ERO.

A further option would be to develop an online process for providing the missing information, with the individual scanning a QR code included in the Invitation to Register letter. This could provide immediate online access to a pre-populated application on the register to vote digital service, which could then be completed by the individual and processed electronically through the existing IER infrastructure. 

Sharing a child’s name, date of birth and NINO for electoral registration purposes would require the identification of an appropriate legal gateway and need to adhere to data protection legislation. It would require consideration and agreement by HMRC and the Department for Work and Pensions. It may also require legislative change to create a legal gateway for data sharing for this specific purpose.

Signposting registration

Signposting registration means that an individual would be provided with information about registering to vote during a transaction with, or in a communication from, an organisation or public body.

This could include a prompt at the end of a transaction or in a communication directing the individual to the UK Government’s Register to Vote website. The individual would then complete the usual steps in that process to apply to register and their data would be sent to the Electoral Registration Officer for their area via the IER Digital Service. This process of signposting could work in a number of scenarios – for example, at the end of a transaction when applying for a driving licence or a new passport, or when an individual is updating their details or in communication with a government department or agency.

Such an approach does not require legal change. It should therefore be explored now, even if the other innovations discussed above follow in the future.  

Signposting registration case study

Signposting registration case study: using tenancy deposit scheme data to improve registration among private renters

Landlords in the private rented sector are required to protect tenants’ deposits with a government approved tenancy deposit scheme. There are three authorised tenancy deposit schemes which operate in England and Wales, Scotland and Northern Ireland, protecting around 4.5 million deposits and representing around 6 million tenants. Around half of all deposits are protected through custodial schemes which hold the deposit for the duration of the tenancy. The balance of protected deposits are held and managed by the landlord or letting agent via insured-backed schemes and where schemes have far less interaction with the tenant. 

The schemes communicate with tenants via email at the start of the tenancy to confirm that their deposit is protected, and then at various points throughout the tenancy, but mainly when the tenant is seeking to gain return of their deposit from the scheme (custodial scheme), or the scheme has unprotected the deposit (insured scheme).  Prompts with information about registering and a link to the Register to Vote website could be embedded into these communications, and on scheme websites or mobile apps.

All schemes have indicated that they are open to exploring ways in which they could work with the Commission to improve registration rates among private renters.

End notes

1. The franchise for local elections in Scotland and Wales includes those aged 16 and 17 and, in those nations, residents aged 14 or 15 at the time of fieldwork (who turn 16 during the lietime of the registers) are counted as attainers on the local government registers. However, legally, registration data on 14 and 15 year olds cannot be shared by Electoral Registration Officers so this group was excluded from the research and any measure of completeness and accuracy. All findings should be read with this in mind.

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First published:

Last updated: 16 January 2024