Mireuksan Cable Car & Hallyeosudo, Donam-dong, Tongyeong-siJinjuseong Fortress & Chokseongnu Pavilion, Bonseong-dong, Jinju-siWindy Hill Windmill & Sea, Nambu-myeon, Geoje-siYeojwacheon Cherry Blossom Romance Bridge, Yeojwa-dong, Jinhae-guGacheon Darangyi Village Terraced Fields, Nam-myeon, Namhae-gunHwagae Market & Cherry Blossom Road, Hwagae-myeon, Hadong-gunUpo Wetland Reeds & Mist, Yueo-myeon, Changnyeong-gunSangnam-dong Nightlife District, Sangnam-dong, Seongsan-gu
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 trend

Unit: people

3,290,991 in 20223,258,309 in 20233,233,629 in 20243,212,001 in 20253,191,645 in 202620222023202420252026

3,290,991 in 20223,191,645 in 2026

Down 3% over the past 4 years.

Migration

As of August 2026

Monthly Overview

Moved in21,289people
Moved out22,519people
Net migrationβˆ’1,230people

Net migration by month

Unit: people

βˆ’576408421βˆ’136βˆ’605βˆ’3,454βˆ’1,648163βˆ’390βˆ’429βˆ’813βˆ’1,230SepOctNovDecJanFebMarAprMayJunJulAugβˆ’576 in Sep 2025408 in Oct 2025421 in Nov 2025βˆ’136 in Dec 2025βˆ’605 in Jan 2026βˆ’3,454 in Feb 2026βˆ’1,648 in Mar 2026163 in Apr 2026βˆ’390 in May 2026βˆ’429 in Jun 2026βˆ’813 in Jul 2026βˆ’1,230 in Aug 2026

Net inflowNet outflow

Top origins

Unit: people

RegionMoved in
Busan2,950
Gyeonggi984
Seoul860
Daegu511
Gyeongsangbuk-do509

Top destinations

Unit: people

RegionMoved out
Busan3,065
Seoul1,302
Gyeonggi1,274
Gyeongsangbuk-do603
Daegu595

Outflows exceeded inflows in 9 of the past 12 months, for a net loss of 8,289.

Want more detail on migration in Gyeongsangnam-do?See more Gyeongsangnam-do statistics on GData

Population structure

Population by age

As of September 2026

Population by age and sex

Unit: people

Under 1010s20s30s40sπŸ‘‘ 50s60s70s80s90s100+87,590161,396157,158183,568240,923292,610278,429152,49450,3015,4195482,608150,094121,103157,544226,292280,620275,173172,79093,59021,421458

Male 1,609,943Female 1,581,702

Age structure

Unit: %

Youth 10.2%Working age 65.6%Seniors 24.2%10.2%65.6%24.2%

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
RegionShare
Gimhae-si532,85416.7%44 yrs
Yangsan-si361,04411.3%44.8 yrs
Jinju-si334,01710.5%45.7 yrs
Changwon-si985,01330.9%45.9 yrs
Geoje-si228,7747.2%44.5 yrs
Tongyeong-si115,9753.6%49.6 yrs
Sacheon-si107,7963.4%49.1 yrs
Miryang-si98,3053.1%54 yrs
Geochang-gun58,7371.8%51.9 yrs
Haman-gun56,6551.8%52.9 yrs

The top three areas hold 38.5% of the population of Gyeongsangnam-do.

Frequently asked questions❓

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 🌐