PARLIAMENTARY WRITTEN QUESTION
Deportation: Undocumented Migrants (2 July 2020)

To support the facilitation of removing those individuals with no right to remain in the UK, the UK has formal returns or readmission agreements with the following countries:

Afghanistan, Albania, Algeria, Bosnia & Herzegovina, China, Georgia, Hong Kong, Iraq, Macau, Macedonia, Malaysia, Moldova, Montenegro, Nigeria, Pakistan, Rwanda, Serbia, Sri Lanka, Somalia, South Korea, South Sudan, Switzerland, Turkey, Ukraine and Vietnam.

There are also formal returns arrangements for third-country nationals to other European countries through the Dublin Regulations.

To all other countries to which returns are enforced, the Home Office utilises informal bilateral processes.