Foreign residents20,355peopleNaturalized citizens 2,074 people
Foreign resident share4.2%Of registered residents
Resident types
Jeju-si ranks 1st of 2 in Jeju-do by foreign residents.
By residence type
As of September 2026Unit: %
Overseas Koreans 8.4%Other foreign nationals 38.1%Migrant workers 35.2%Marriage migrants 10.9%Foreign students 7.3%
| Type | People | Share |
|---|---|---|
| Overseas Koreans | 1,717 | 8.4% |
| Other foreign nationals | 7,762 | 38.1% |
| Migrant workers | 7,169 | 35.2% |
| Marriage migrants | 2,221 | 10.9% |
| Foreign students | 1,486 | 7.3% |
Other foreign nationals are the largest group at 7,762.
Age structure
By age group
As of September 2026| Age group | People | Share |
|---|---|---|
| Under 10 | 374 | 1.8% |
| 10s | 509 | 2.5% |
| 20s | 5,267 | 25.9% |
| 30s | 6,625 | 32.5% |
| 40s | 4,252 | 20.9% |
| 50s | 1,970 | 9.7% |
| 60s | 974 | 4.8% |
| 70+ | 384 | 1.9% |
Residents in their 30s are the largest age group at 6,625.
Frequently asked questionsβ
20,355 as of the 2026 survey, or 4.2% of its population.
Other foreign nationals form the largest group, at 7,762.
1st out of 2.
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