About 1,400 Thai women married South Korean men last year, out of 15,300 foreign brides, Yonhap reported Thursday, citing data from South Korea's Data and Statistics Ministry.

Vietnamese women topped the list with 25.3%, followed by Chinese women at 15.1%.

South Korea registered 21,399 multicultural marriages in 2025, including those between South Korean women and foreign men, a slight decline of 0.2% from the previous year, according to the Bangkok Post.

Couple prepare for their performance at a mass wedding ceremony organised by the Unification Church at Cheongshim Peace World Center in Gapyeong on Feb. 7, 2020. Photo by AFP

Marriages between South Korean men and foreign women accounted for 71.4% of all multicultural unions, while those involving foreign husbands made up 18.9%.

The remaining 9.7% involved naturalized South Korean citizens. The average age at first marriage was 37.1 years for husbands and 29.7 years for wives.

Husbands were older than their wives in 75.2% of multicultural marriages, with an age gap of at least 10 years in 36.1% of all such unions.