Population in South Korea
South Korea: Population was 21.85 million people in 2100. ▼ Falling
Population in South Korea, 2024–2100
Source: UN WPP (2024) – with major processing by Our World in Data. Measured in people.
Analysis
In 2100, population in South Korea stood at 21.85 million people. That is the lowest value across all 77 years on record.
The figure is down 1.4% on the previous year and down 14.1% over ten years.
Over the whole period, population in South Korea peaked at 51.72 million people in 2024 and was at its lowest, 21.85 million people, in 2100.
That places South Korea 72nd out of 236 countries with data for 2100, putting it in the middle of the range.
The long-run direction has been consistently falling across the 77 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2020s | 51.54 million people | 51.31 million people | 51.72 million people | 6 |
| 2030s | 50.33 million people | 49.25 million people | 51.19 million people | 10 |
| 2040s | 47.36 million people | 45.60 million people | 48.95 million people | 10 |
| 2050s | 42.85 million people | 40.42 million people | 45.14 million people | 10 |
| 2060s | 37.38 million people | 34.97 million people | 39.86 million people | 10 |
| 2070s | 32.24 million people | 30.12 million people | 34.45 million people | 10 |
| 2080s | 27.73 million people | 25.85 million people | 29.67 million people | 10 |
| 2090s | 23.76 million people | 22.17 million people | 25.45 million people | 10 |
| 2100s | 21.85 million people | 21.85 million people | 21.85 million people | 1 |
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 in South Korea?
- Population in South Korea was 21.85 million people in 2100, according to UN WPP (2024) – with major processing by Our World in Data.
- What is the highest population recorded in South Korea?
- The highest recorded value was 51.72 million people in 2024.
- What is the lowest population recorded in South Korea?
- The lowest recorded value was 21.85 million people in 2100.
- How does South Korea rank for population?
- South Korea ranks 72nd out of 236 countries with data for 2100.
- Is population rising or falling in South Korea?
- Over the last ten years it is down 14.1%. The long-run trend across the full record is falling.
- Where does this South Korea data come from?
- The figures come from UN WPP (2024) – with major processing by Our World in Data, published as part of Population. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 77 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Population by country, available from 10,000 BCE to 2023, based on data and estimates from different sources.