 Telegraph.co.uk | Migrants to send Britain's population soaring to largest in EU Telegraph.co.uk It would mean the UK is the biggest country in Europe outside Russia. will be driven by direct immigration or by migrant mothers giving birth. The latest long-term assumption for annual net migration — the number of people coming to the UK less the ... Home Office proposes new immigration curbs BRITAIN SET TO HIT 70M Britain will have biggest population in Europe |