Question to the Home Office:

To ask the Secretary of State for the Home Department, what estimate she has made of the Chagossian population residing in (a) the UK, (b) Mauritius, (c) the Seychelles and (d) all other countries; and how many Chagossians not residing in the UK have applied for British citizenship through the (i) British Indian Oceans Territory citizenship registration route and (ii) other routes, broken down by the country in which each applicant lived at the time of application.

The information requested is not held by the Home Office.

However, the overall number of applications for British citizenship including those made through the British Indian Ocean Territory route is available on:

Immigration system statistics data tables - GOV.UK.