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Gyeongbokgung Geunjeongjeon Hall, Hyoja-dong, Jongno-guNamsan Seoul Tower, Yongsandong2-ga, Yongsan-guLotte World Tower & Seokchon Lake, Sincheon-dong, Songpa-guGwanghwamun Square & Gwanghwamun Gate, Sajik-dong, Jongno-guCOEX & World Trade Center, Samseong-dong, Gangnam-gu63 Building Across Mapo Bridge, Yeouido-dong, Yeongdeungpo-guSungnyemun Gate, Namdaemullo4-ga, Jung-guHongdae Walking Street Intersection, Seogyo-dong, Mapo-gu

Foreign Residents in Seoul

Based on the MOIS local foreign resident survey, 2026

Foreign residents367,291peopleNaturalized citizens 47,124 people
Foreign resident share3.96%Of registered residents

Resident types

Seoul ranks 2nd of 17 in Korea by foreign residents.

By residence type

As of September 2026

Unit: %

Overseas Koreans 28.4%Other foreign nationals 32.3%Migrant workers 10.3%Marriage migrants 9.4%Foreign students 19.7%28.4%32.3%10.3%9.4%19.7%

Overseas Koreans 28.4%Other foreign nationals 32.3%Migrant workers 10.3%Marriage migrants 9.4%Foreign students 19.7%

TypePeopleShare
Overseas Koreans104,13428.4%
Other foreign nationals118,79432.3%
Migrant workers37,73410.3%
Marriage migrants34,3689.4%
Foreign students72,26119.7%

Other foreign nationals are the largest group at 118,794.

Age structure

By age group

As of September 2026
Age groupPeopleShare
Under 109,3232.5%
10s16,6204.5%
20s91,07124.8%
30s67,72118.4%
40s52,80814.4%
50s62,47717%
60s51,29914%
70+15,9724.3%

Residents in their 20s are the largest age group at 91,071.

Foreign resident ranking

Foreign residents by region

As of September 2026
RegionShare
Guro-gu43,24811.8%
Yeongdeungpo-gu42,77311.6%
Geumcheon-gu25,5867%
Gwanak-gu25,4256.9%
Dongdaemun-gu23,4646.4%
Gwangjin-gu21,9776%
Seodaemun-gu17,0384.6%
Dongjak-gu16,4224.5%
Seongbuk-gu15,8854.3%
Yongsan-gu12,7613.5%

The top three areas are home to 30.4% of all foreign residents in Seoul.

Frequently asked questions❓

367,291 as of the 2026 survey, or 3.96% of its population.
Other foreign nationals form the largest group, at 118,794.
2nd out of 17.
The 2026 edition of the annual local foreign resident survey by Korea's Ministry of the Interior and Safety. Population figures come from monthly resident registration data, so the two have different reference dates.

Sources 🌐