The current situation in Seoul is a mess.JPG

Seoul Metropolitan City Population Paradox (September 25)
As of September 30, 2025, the population of Seomul Special City is 1,310,648 people under 20 years old, 2,840,458 people between 20 and 40 years old, and 40 years old and older.
It is distributed as follows: 2,970,874 people under 60 years of age, 2,007,611 people between 60 and 80 years of age, and 358,863 people over 80 years of age.
Seoul population pyramid chart (September 25)
Select age:
100
Population Pyramid Dashboard (Sep 25)
population

point of view
Total population (people)
Population over 65 years old (people)
ratio (%)
October 2024
Approximately 9,510,000
About 1,820,000
19.196
December 2024
Approximately 9,480,000
About 1,835,000
19.406
March 2025
9,602,826[1+Julcheo)
About 1,860,000
19.69/6
June 2025
Approximately 9,360,000
About 1,870,000
19.896
August 2025
Approximately 9,420,000
About 1,857,000
19.706
September 2025
9,318,500[2t source]
1,881,401
20.290

As of September 30, 2025, the population of Seoul is 245,991 people (2.64%0) in childhood, 862,738 people (9.26%6) in school age, and adolescence.
1,351,660 people (14.51%6), middle-aged people 2,826,285 people (30.33%a), middle-aged people 2,150,425 people (23,0876), older people 1,881,401 people
It consists of (20.19%6).