Wales' foreign-born population rises by 82% in 10 years
4 March 2014 Last updated at 14:11 GMT
The number of people coming to live in Wales from outside the UK has increased by 82% in 10 years with the largest number coming from Poland.
Researchers from Oxford University analysed population data between 2001 and 2011.
It shows more than 160,000 people living here were born outside the UK, that is about 5% of the population.
Natasha Llewellyn reports.