한국어

Population of Seo-gu, Busan

Resident registration data, June 2026 (MOIS)

Total population101,216people
Average age50.5yrs

Population structure

Population by age

10-year bands · by sex

Population by age and sex

Unit: people

Under 1010s20s30s40s50s👑 60s70s80s90s100+2,0483,6264,9815,1296,3518,3058,9266,3172,48723251,9293,4075,4584,9446,1087,9819,8768,1404,20274123

Male 48,407Female 52,809

Age structure

Unit: %

Youth 7.4%Working age 61.4%Seniors 31.2%61.4%31.2%

Youth 7.4%Working age 61.4%Seniors 31.2%

60s is the largest group, at 18,802 people.

Population change

Change over time

4-year trend

Unit: people

104,340 in 2022104,449 in 2023102,983 in 2024102,581 in 2025101,216 in 202620222023202420252026

104,340 in 2022101,216 in 2026

Down 3% over the past 4 years.

Population ranking

Amnam-dong has the largest population of the 24 neighborhoods.

Population by region

24
  • YoungestBumindong2-ga37 yrs
  • OldestChojang-dong58.9 yrs

There is a 21.9-year gap in average age between the youngest and the oldest area.

RegionPopulationShareAverage age
Amnam-dong17,50517.3%48.5 yrs
Seodaesindong3-ga13,94613.8%48 yrs
Nambumin-dong11,31111.2%57.7 yrs
Seodaesindong2-ga9,0258.9%47 yrs
Dongdaesindong3-ga6,9116.8%49.7 yrs
Dongdaesindong2-ga6,1446.1%55.1 yrs
Amidong2-ga5,7505.7%55.9 yrs
Seodaesindong1-ga5,4275.4%44.9 yrs
Dongdaesindong1-ga4,9964.9%50.4 yrs
Chojang-dong3,4443.4%58.9 yrs
Bumindong3-ga2,9562.9%48.1 yrs
Toseongdong1-ga2,6262.6%47.4 yrs
Toseongdong5-ga1,8151.8%50.7 yrs
Buyongdong1-ga1,6351.6%43.4 yrs
Chungmudong1-ga1,3581.3%55.3 yrs
Bumindong1-ga1,2591.2%42.2 yrs
Buyongdong2-ga1,1231.1%48.5 yrs
Chungmudong2-ga1,0571%57.5 yrs
Toseongdong2-ga9310.9%47.8 yrs
Chungmudong3-ga5890.6%57.1 yrs
Toseongdong3-ga5600.6%50 yrs
Toseongdong4-ga3060.3%51.2 yrs
Bumindong2-ga2990.3%37 yrs
Amidong1-ga2430.2%52.5 yrs

The top three areas hold 42.2% of the population of Seo-gu, Busan.

Other regions

Other districts in Busan

15

Frequently asked questions❓

Seo-gu, Busan has 101,216 residents as of June 2026., 1,365 fewer than a year earlier.
Amnam-dong, home to 17,505 residents — 17.3% of Seo-gu, Busan.
It is 50.5 as of June 2026., 4.9 years above the national average of 45.6. Among its neighborhoods, Bumindong2-ga is youngest at 37 and Chojang-dong oldest at 58.9.
It fell 3% over 4 years, from 104,340 in 2022 to 101,216 in June 2026.
This is resident registration data from Korea's Ministry of the Interior and Safety. Figures are as of the end of June 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 🌐