Total population1,771,845people
Households916,272households
Average age49.5yrs
Sex ratioMale895,684peopleFemale876,161people50.6%49.4%
Population change
Change over time
4-year trendUnit: people
1,824,104 in 20221,771,845 in 2026
Down 2.9% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in12,320people
Moved out12,718people
Net migrationβ398people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Gwangju | 1,907 |
| Gyeonggi | 851 |
| Seoul | 632 |
| Jeonbuk-do | 346 |
| Gyeongsangnam-do | 258 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Gwangju | 1,921 |
| Gyeonggi | 970 |
| Seoul | 774 |
| Jeonbuk-do | 327 |
| Gyeongsangnam-do | 276 |
Net migration varied across the past 12 months, totaling +971.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 895,684Female 876,161
Age structure
Unit: %
Youth 9.6%Working age 61.2%Seniors 29.2%
60s is the largest group, at 323,153 people.
Population ranking
Population by region
As of September 2026| Region | Share | ||
|---|---|---|---|
| Suncheon-si | 273,399 | 15.4% | 45.3 yrs |
| Yeosu-si | 259,857 | 14.7% | 48 yrs |
| Mokpo-si | 198,981 | 11.2% | 46.9 yrs |
| Gwangyang-si | 156,052 | 8.8% | 44.3 yrs |
| Naju-si | 116,667 | 6.6% | 47.1 yrs |
| Muan-gun | 95,537 | 5.4% | 44.4 yrs |
| Haenam-gun | 61,883 | 3.5% | 54.9 yrs |
| Hwasun-gun | 59,860 | 3.4% | 52.1 yrs |
| Goheung-gun | 59,011 | 3.3% | 59.1 yrs |
| Yeonggwang-gun | 53,719 | 3% | 50.8 yrs |
| Yeongam-gun | 49,984 | 2.8% | 52.4 yrs |
| Wando-gun | 44,071 | 2.5% | 54.8 yrs |
| Damyang-gun | 43,880 | 2.5% | 54.7 yrs |
| Jangseong-gun | 43,079 | 2.4% | 53 yrs |
| Sinan-gun | 42,384 | 2.4% | 55.2 yrs |
| Boseong-gun | 38,162 | 2.2% | 57.7 yrs |
| Jangheung-gun | 33,877 | 1.9% | 55.7 yrs |
| Gangjin-gun | 31,603 | 1.8% | 55.3 yrs |
| Hampyeong-gun | 29,753 | 1.7% | 56.9 yrs |
| Jindo-gun | 27,773 | 1.6% | 55.2 yrs |
| Gokseong-gun | 27,686 | 1.6% | 56.8 yrs |
| Gurye-gun | 24,627 | 1.4% | 56.6 yrs |
The top three areas hold 41.3% of the population of Jeollanam-do.
Frequently asked questionsβ
Jeollanam-do has 1,771,845 residents as of September 2026., 8,801 fewer than a year earlier.
Suncheon-si, home to 273,399 residents (15.4% of Jeollanam-do).
It is 49.5 as of September 2026., 3.8 years above the national average of 45.7. Among its cities and counties, Gwangyang-si is youngest at 44.3 and Goheung-gun oldest at 59.1.
It fell 2.9% over 4 years, from 1,824,104 in 2022 to 1,771,845 in September 2026.
As of August 2026, the most people moved in from Gwangju (1,907) and the most moved out to Gwangju (1,921). Net migration varied across the past 12 months, totaling +971.
This is resident registration data from Korea's Ministry of the Interior and Safety. Figures are as of the end of September 2026 and are updated monthly. The data is open under KOGL Type 1.
Resident registration counts people at their registered address. The census counts them where they actually live. The gap is widest in university towns and industrial areas, where many people never change their registered address.
Sources π
- Resident registration data, Ministry of the Interior and SafetyKOGL Type 1 Β· as of September 2026 Β· updated monthly
- Internal Migration Statistics, Statistics Korea (KOSIS)KOGL Type 1 Β· as of August 2026 Β· updated monthly