The highest Korean female marriage rate with foreigners occurs in Seoul, followed by Gyeonggido and Busan. And the highest rate of Korean male marriage with foreigners occurs at Gyeonggi-do, followed by Seoul and Gyeongsangnam-do. The largest numbers of foreign male spouses are from China, followed by the US and Japan. The largest numbers of foreign female spouses are from China, followed by Vietnam and the Philippines. Marriage between Koreans and foreigners has increased until the mid-2000s. The recent trend shows a decrease. The marriage between Koreans and foreigners currently accounts for about 8.1% of the total marriages in Korea, which means that about one in ten couples who wed forms a multi-cultural family.

   The number of divorces in multi-cultural families is estimated to about 10,500 cases per year, which accounts for approximately 9.1% of the total divorces in Korea. The divorce rate in multi-cultural families has decreased since 2011. The largest numbers of divorcing male foreigners are from Japan, followed by China and the US. The largest numbers of divorcing female foreigners are from China, followed by Vietnam and the Philippines. Geographically, the highest female Korean divorce rate occurs in Seoul, followed by Gyeonggi-do and Incheon. The highest male Korean divorce rate occurs in Gyeonggi-do, followed by Seoul and Gyeongsangnam-do .