Women with a foreign mother tongue are more likely to be married than Finnish-, Swedish- or Sami-speaking women. At the beginning of 2017, 42 per cent of women with a foreign mother tongue and 32 per cent of women with a national mother tongue were married. The difference was greatest in the young age groups: among 18–29 year-old women, 25 per cent of women with a foreign mother tongue but only 7 per cent of women with a national mother tongue were married.

Among population with a national mother tongue, women are more likely to marry someone with a foreign mother tongue than men. For women with a national mother tongue, the most common foreign mother tongue of the spouse is English while men with a national mother tongue most often marry a Russian-speaking woman.