Number of immigrants in UK more than doubles in 25 years Total foreign born in the UK
The UK has the fifth-largest immigrant population in the world, at 8.5 million. Between 1990 and 2015, the UK’s immigrant population more than doubled, from 3.7 million. As of 2015, about 13% of the UK’s resident population was foreign-born, comparable to the roughly 14% foreign-born share in the United States.
As of 2015, the UK’s immigrant population has one of the most diverse groups of origin countries in the world, tying Denmark for the highest diversity score, which measures the distribution of immigrants from different source countries. The top three origin countries of immigrants living in the UK are India (780,000), Poland (700,000) and Pakistan (540,000).
Number of immigrants  | in UK more than doubles  | in 25 years  | Total foreign born in the UK  | 8.5M  | 3.7M  | 1990 95 2000 05 10 15  | Note: The UN counts migrants born in  | territories as international Population migrants.  | Source: United Nations Population  | Division, 2015  | PEW RESEARCH CENTER 