South Korea’s population with a migrant background rose to 2.81 million as of November last year, or 5.4% of all residents, the national statistics agency said Monday. The group grew by 95,000 people in a year, while the total population rose by about 12,000. Three in four people with a migrant background were still foreign nationals. The rest held Korean citizenship: children of immigrants made up 14.1% of the group, naturalized citizens 9.1% and North Korean defectors and others 1.7%.

Younger people are driving the increase. The number of people aged 24 or under grew 6.6% to 787,000, nearly twice