Population by age group in South Korea
South Korea: Population by age group was 1.36 million people in 2023. ▼ Falling
Population by age group in South Korea, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in people.
Analysis
The most recent figure for population by age group in South Korea is 1.36 million people, measured in 2023. That is the lowest value across all 74 years on record.
The figure is down 7.2% on the previous year and down 40.4% over ten years.
Over the whole period, population by age group in South Korea peaked at 4.96 million people in 1963 and was at its lowest, 1.36 million people, in 2023.
That places South Korea 74th out of 236 countries with data for 2023, putting it in the middle of the range.
The long-run direction has been consistently falling across the 74 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 3.63 million people | 3.15 million people | 4.45 million people | 10 |
| 1960s | 4.75 million people | 4.52 million people | 4.96 million people | 10 |
| 1970s | 4.44 million people | 4.01 million people | 4.67 million people | 10 |
| 1980s | 3.79 million people | 3.40 million people | 4.03 million people | 10 |
| 1990s | 3.40 million people | 3.31 million people | 3.50 million people | 10 |
| 2000s | 2.65 million people | 2.23 million people | 3.23 million people | 10 |
| 2010s | 2.18 million people | 1.89 million people | 2.28 million people | 10 |
| 2020s | 1.54 million people | 1.36 million people | 1.75 million people | 4 |
Countries ranked near South Korea
More population data for South Korea
- Population growth rate, by level of development -1.4% (2100)
- Number of children under 5, by world region 599,530 people (2100)
- Population density 223.86 people per km² (2100)
- World population growth -1.4% (2100)
- Total fertility rate vs. wanted fertility rate 0.748 births per woman (2024)
- Refugees by country of asylum 4,241 people (2024)
- Fertility rate vs. unmet need for contraception 0.748 births per woman (2024)
- Total fertility rate vs. contraceptive prevalence 0.748 births per woman (2024)
- Natural population growth rate -0.2% (2023)
- Fertility rate: births per woman 0.72 live births per woman (2023)
Frequently asked questions
- What is population by age group in South Korea?
- Population by age group in South Korea was 1.36 million people in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest population by age group recorded in South Korea?
- The highest recorded value was 4.96 million people in 1963.
- What is the lowest population by age group recorded in South Korea?
- The lowest recorded value was 1.36 million people in 2023.
- How does South Korea rank for population by age group?
- South Korea ranks 74th out of 236 countries with data for 2023.
- Is population by age group rising or falling in South Korea?
- Over the last ten years it is down 40.4%. The long-run trend across the full record is falling.
- Where does this South Korea data come from?
- The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Population by age group. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 74 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The total population, measured on 1 July of the year shown. This only includes people aged 0-4.