Europe's biggest British expat communities
However, Britons who already live abroad are unlikely to be affected. Where do the majority of British expatriates live? According to the United Nations, Spain is their destination of choice with an estimated 381,000 Britons in residence. The Republic of Ireland, which has seen a surge in British passport applications, comes second with just over a quarter of a million.
This chart shows the estimated number of British expats in European countries.