Dual Nationality: EU Countries

Cabinet Office written question – answered on 14th February 2019.

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Photo of Lord Inglewood Lord Inglewood Non-affiliated

To ask Her Majesty's Government what estimate they have made of the number of people who are UK (1) citizens, and (2) residents who (a) have, or (b) are entitled to dual nationality of another EU member state.

Photo of Lord Young of Cookham Lord Young of Cookham Lord in Waiting (HM Household) (Whip), Lords Spokesperson (Cabinet Office)

The information requested falls within the responsibility of the UK Statistics Authority. I have asked the Authority to reply.

Dear Lord Inglewood,

As National Statistician and Chief Executive of the UK Statistics Authority, I am replying to your Parliamentary Question asking what estimate has been made of people who are UK (1) citizens, and (2) residents who (a) have, or (b) are entitled to dual nationality of another EU member state (HL13401).

The Office for National Statistics (ONS) publishes estimates of the UK population by country of birth and nationality based on the Annual Population Survey (APS)[1]. The latest estimates are for the year July 2017 to June 2018 and these show the number of British citizens resident in the UK was 59,216,000, with a confidence interval of plus or minus 364,000, and the citizens of other EU member states resident in the UK as 3,723,000, with a confidence interval of plus or minus 91,000 (all figures rounded to the nearest thousand).

In the 2011 census, ONS collected data about dual passport holders which is the closest approximation to dual nationality available. Table 1 below shows the numbers from the census. ONS has no data about entitlement to dual nationality.

Yours sincerely,

John Pullinger

[1]https://www.ons.gov.uk/peoplepopulationandcommunity/populationandmigration/internationalmigration/datasets/populationoftheunitedkingdombycountryofbirthandnationality

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