Question to the Foreign, Commonwealth & Development Office:

To ask the Secretary of State for Foreign and Commonwealth Affairs, what estimate his Department has made of the number of British nationals living (a) outside the UK and in the EU and (b) outside the UK and the EU; and if he will make a statement.

This question was answered on 27th June 2016
The UN publishes data on the number of people of UK origin living elsewhere, broken down by region and country. The dataset can be found at: http://www.un.org/en/development/desa/population/migration/data/estimates2/estimates15.shtml