<p>Between 1st January 2015 and 30th November 2017, 929 UK Based Staff have left the Foreign and Commonwealth Office (FCO). This includes retirement, resignation, career breaks and dismissal. It also includes civil servants returning to their parent department at the end of their loan/secondment.</p><p>The Aliens' Employment Act 1955 makes it a requirement that all UK Based Staff in the FCO must be British nationals or dual nationals where one of those nationalities is British. We do not centrally hold details of the nationality of our staff who are dual nationals.</p>