Foreign residents35,193peopleNaturalized citizens 3,992 people
Foreign resident share3.24%Of registered residents
Resident types
Ulsan ranks 14th of 17 in Korea by foreign residents.
By residence type
As of September 2026Unit: %
Overseas Koreans 14.9%Other foreign nationals 33.5%Migrant workers 37.2%Marriage migrants 10.0%Foreign students 4.4%
| Type | People | Share |
|---|---|---|
| Overseas Koreans | 5,239 | 14.9% |
| Other foreign nationals | 11,798 | 33.5% |
| Migrant workers | 13,100 | 37.2% |
| Marriage migrants | 3,503 | 10% |
| Foreign students | 1,553 | 4.4% |
Migrant workers are the largest group at 13,100.
Age structure
By age group
As of September 2026| Age group | People | Share |
|---|---|---|
| Under 10 | 880 | 2.5% |
| 10s | 968 | 2.8% |
| 20s | 7,509 | 21.3% |
| 30s | 11,940 | 33.9% |
| 40s | 6,341 | 18% |
| 50s | 4,650 | 13.2% |
| 60s | 2,183 | 6.2% |
| 70+ | 722 | 2.1% |
Residents in their 30s are the largest age group at 11,940.
Foreign resident ranking
Foreign residents by region
As of September 2026The top three areas are home to 81.6% of all foreign residents in Ulsan.
Frequently asked questionsβ
35,193 as of the 2026 survey, or 3.24% of its population.
Migrant workers form the largest group, at 13,100.
14th 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 π
- MOIS Survey of Foreign Residents by Local GovernmentKOGL Type 1 Β· 2026 survey Β· updated yearly