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Foreign Residents in Buk-gu, Ulsan

Based on the MOIS local foreign resident survey, 2026

Foreign residents3,762peopleNaturalized citizens 755 people
Foreign resident share1.76%Of registered residents

Resident types

Buk-gu ranks 4th of 5 in Ulsan by foreign residents.

By residence type

As of September 2026

Unit: %

Overseas Koreans 9.1%Other foreign nationals 35.8%Migrant workers 37.5%Marriage migrants 17.3%Foreign students 0.3%9.1%35.8%37.5%17.3%

Overseas Koreans 9.1%Other foreign nationals 35.8%Migrant workers 37.5%Marriage migrants 17.3%Foreign students 0.3%

TypePeopleShare
Overseas Koreans3429.1%
Other foreign nationals1,34535.8%
Migrant workers1,41237.5%
Marriage migrants65117.3%
Foreign students120.3%

Migrant workers are the largest group at 1,412.

Age structure

By age group

As of September 2026
Age groupPeopleShare
Under 10752%
10s742%
20s80421.4%
30s1,42237.8%
40s70618.8%
50s42811.4%
60s1714.5%
70+822.2%

Residents in their 30s are the largest age group at 1,422.

Frequently asked questions❓

3,762 as of the 2026 survey, or 1.76% of its population.
Migrant workers form the largest group, at 1,412.
4th out of 5.
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 🌐