Immigration is a pressing and hotly debated issue in the UK. But what is really known about the multitudes of immigrant communities in Britain and the impact they have on the economy?

Channel 4 News presenter Jon Snow reveals the contributions made by different immigrant groups, drawing on exclusive research from the Institute for Public Policy Research. This brand new statistical information breaks down 25 of Britain’s biggest immigrant groups to paint the most revealing economic portrait to date of the one in six people living in the UK who were born abroad.

Monday 1 October 2007
8:00pm, Channel 4