According to the 2011 census, 2.2 million (73%) of usual residents of Wales were born there, two percent less than in 2001. The change can be attributed to both international and internal migration. In 2001, 590,000 (20%) of the population of Wales was born in England. In 2011, this had increased by one percent.[4] Nearly 418,000 people identified themselves as Welsh in 2001.