Total population3,191,645people
Households1,558,906households
Average age47.2yrs
Sex ratioMale1,609,943peopleFemale1,581,702people50.4%49.6%
Population change
Change over time
4-year trendUnit: people
3,290,991 in 20223,191,645 in 2026
Down 3% over the past 4 years.
Migration
As of August 2026Monthly Overview
Moved in21,289people
Moved out22,519people
Net migrationβ1,230people
Net migration by month
Unit: people
Net inflowNet outflow
Top origins
Unit: people
| Region | Moved in |
|---|---|
| Busan | 2,950 |
| Gyeonggi | 984 |
| Seoul | 860 |
| Daegu | 511 |
| Gyeongsangbuk-do | 509 |
Top destinations
Unit: people
| Region | Moved out |
|---|---|
| Busan | 3,065 |
| Seoul | 1,302 |
| Gyeonggi | 1,274 |
| Gyeongsangbuk-do | 603 |
| Daegu | 595 |
Outflows exceeded inflows in 9 of the past 12 months, for a net loss of 8,289.
Population structure
Population by age
As of September 2026Population by age and sex
Unit: people
Male 1,609,943Female 1,581,702
Age structure
Unit: %
Youth 10.2%Working age 65.6%Seniors 24.2%
50s is the largest group, at 573,230 people.
Population ranking
Population by region
As of September 2026| Region | Share | ||
|---|---|---|---|
| Gimhae-si | 532,854 | 16.7% | 44 yrs |
| Yangsan-si | 361,044 | 11.3% | 44.8 yrs |
| Jinju-si | 334,017 | 10.5% | 45.7 yrs |
| Changwon-si | 985,013 | 30.9% | 45.9 yrs |
| Geoje-si | 228,774 | 7.2% | 44.5 yrs |
| Tongyeong-si | 115,975 | 3.6% | 49.6 yrs |
| Sacheon-si | 107,796 | 3.4% | 49.1 yrs |
| Miryang-si | 98,305 | 3.1% | 54 yrs |
| Geochang-gun | 58,737 | 1.8% | 51.9 yrs |
| Haman-gun | 56,655 | 1.8% | 52.9 yrs |
| Changnyeong-gun | 54,173 | 1.7% | 56 yrs |
| Goseong-gun | 46,712 | 1.5% | 55.7 yrs |
| Namhae-gun | 41,073 | 1.3% | 57.4 yrs |
| Hadong-gun | 39,565 | 1.2% | 58.3 yrs |
| Hapcheon-gun | 38,732 | 1.2% | 59.7 yrs |
| Hamyang-gun | 35,074 | 1.1% | 56.6 yrs |
| Sancheong-gun | 32,628 | 1% | 59 yrs |
| Uiryeong-gun | 24,518 | 0.8% | 58.3 yrs |
The top three areas hold 38.5% of the population of Gyeongsangnam-do.
Frequently asked questionsβ
Gyeongsangnam-do has 3,191,645 residents as of September 2026., 20,356 fewer than a year earlier.
Gimhae-si, home to 532,854 residents (16.7% of Gyeongsangnam-do).
It is 47.2 as of September 2026., 1.5 years above the national average of 45.7. Among its cities and counties, Gimhae-si is youngest at 44 and Hapcheon-gun oldest at 59.7.
It fell 3% over 4 years, from 3,290,991 in 2022 to 3,191,645 in September 2026.
As of August 2026, the most people moved in from Busan (2,950) and the most moved out to Busan (3,065). Outflows exceeded inflows in 9 of the past 12 months, for a net loss of 8,289.
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







