Claim: Immigration adds a city the size of Cardiff to the UK's population every year.
Fact-check: Net migration equals a city the size of Cardiff - Full Fact
Verdict: net migration in the uk was 327,000 in the year to march. cardiff has a population of 357,000. but this isn't true every year. in 2014 net migration was 243,000.
Organisation: Full Fact
Author: Claire Milne
Date published: 2016-10-07T00:00:00