As of 2010, 1.33 million people or 14.3% of the inhabitants of Sweden were foreign-born. Of these individuals, 859,000 (64.6%) were born outside the European Union and 477,000 (35.4%) were born in another EU member state.[3] Sweden has evolved from a nation of net emigration ending after World War I to a nation of net immigration from World War II onward. In 2013, immigration reached its highest level since records began, with 115,845 people migrating to Sweden while the total population grew by 88,971.[4][5] It continued to rise steadily the following years, followed by a clear peak with just over 163,000 persons immigrating in total that year – 2017 was a decrease, with nearly 144,500 individuals immigrating.[5] As of 2017, the percentage inhabitants with a foreign background in Sweden had risen to 24.1%.[6] The official definition of foreign background (sv:utländsk bakgrund) comprises individuals either born abroad or having both parents born abroad.[6] In 2017 three municipalities people with foreign background were in the majority: Botkyrka (58.6%) Södertälje (53.0%) and Haparanda (51.7%).[6]