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Sejong Government Complex, Eojin-dong, SejongSejong Lake Park, Sejong-dong, SejongSejong Naseong-dong Downtown, Naseong-dong, SejongJochiwon Old Town, Jochiwon-eup, SejongBear Tree Park, Jeondong-myeon, Sejong

Foreign Residents in Sejong

Based on the MOIS local foreign resident survey, 2026

Foreign residents7,992peopleNaturalized citizens 983 people
Foreign resident share2.05%Of registered residents

Resident types

Sejong ranks 17th of 17 in Korea by foreign residents.

By residence type

As of September 2026

Unit: %

Overseas Koreans 12.3%Other foreign nationals 30.6%Migrant workers 28.7%Marriage migrants 12.0%Foreign students 16.4%12.3%30.6%28.7%12.0%16.4%

Overseas Koreans 12.3%Other foreign nationals 30.6%Migrant workers 28.7%Marriage migrants 12.0%Foreign students 16.4%

TypePeopleShare
Overseas Koreans98412.3%
Other foreign nationals2,44830.6%
Migrant workers2,29428.7%
Marriage migrants95612%
Foreign students1,31016.4%

Other foreign nationals are the largest group at 2,448.

Age structure

By age group

As of September 2026
Age groupPeopleShare
Under 101692.1%
10s2513.1%
20s2,40130%
30s2,47431%
40s1,24215.5%
50s85310.7%
60s4745.9%
70+1281.6%

Residents in their 30s are the largest age group at 2,474.

Frequently asked questions❓

7,992 as of the 2026 survey, or 2.05% of its population.
Other foreign nationals form the largest group, at 2,448.
17th 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 🌐