Total population (thousands) in South Korea

South Korea: Total population (thousands) was 51,697 thousands in 2025. ▲ Rising

Latest (2025)
51,697 thousands
Change on year
down 0.1%
World rank
29th
of 233 countries
All-time high
51,891 thousands
in 2021
All-time low
32,193 thousands
in 1970
Years of data
56
1970–2025

Total population in South Korea, 1970–2025

020.0k40.0k60.0k197019972025

Source: UNESCO Institute for Statistics. Measured in thousands.

Analysis

South Korea recorded 51,697 thousands for total population in 2025.

Compared with earlier readings it is down 0.1% on the previous year and up 1.8% over ten years.

Over the whole period, total population in South Korea peaked at 51,891 thousands in 2021 and was at its lowest, 32,193 thousands, in 1970.

That places South Korea 29th out of 233 countries with data for 2025, putting it in the top quarter.

The long-run direction has been consistently rising across the 56 years of available data.

Total population (thousands) in South Korea, year by year

Annual values for Total population (thousands) in South Korea, 1970 to 2025.
Year thousands Change
1970 32,193 thousands —
1971 32,892 thousands +2.2%
1972 33,588 thousands +2.1%
1973 34,285 thousands +2.1%
1974 34,967 thousands +2.0%
1975 35,609 thousands +1.8%
1976 36,143 thousands +1.5%
1977 36,617 thousands +1.3%
1978 37,070 thousands +1.2%
1979 37,494 thousands +1.1%
1980 37,928 thousands +1.2%
1981 38,354 thousands +1.1%
1982 39,024 thousands +1.7%
1983 39,688 thousands +1.7%
1984 40,314 thousands +1.6%
1985 40,883 thousands +1.4%
1986 41,415 thousands +1.3%
1987 42,022 thousands +1.5%
1988 42,622 thousands +1.4%
1989 43,224 thousands +1.4%
1990 43,826 thousands +1.4%
1991 44,337 thousands +1.2%
1992 44,541 thousands +0.5%
1993 44,766 thousands +0.5%
1994 45,009 thousands +0.5%
1995 45,252 thousands +0.5%
1996 45,484 thousands +0.5%
1997 45,793 thousands +0.7%
1998 46,090 thousands +0.6%
1999 46,372 thousands +0.6%
2000 46,629 thousands +0.6%
2001 46,904 thousands +0.6%
2002 47,183 thousands +0.6%
2003 47,416 thousands +0.5%
2004 47,613 thousands +0.4%
2005 47,781 thousands +0.4%
2006 47,922 thousands +0.3%
2007 48,091 thousands +0.4%
2008 48,265 thousands +0.4%
2009 48,448 thousands +0.4%
2010 48,646 thousands +0.4%
2011 48,893 thousands +0.5%
2012 49,362 thousands +1.0%
2013 49,837 thousands +1.0%
2014 50,305 thousands +0.9%
2015 50,773 thousands +0.9%
2016 51,195 thousands +0.8%
2017 51,401 thousands +0.4%
2018 51,572 thousands +0.3%
2019 51,710 thousands +0.3%
2020 51,826 thousands +0.2%
2021 51,891 thousands +0.1%
2022 51,806 thousands -0.2%
2023 51,759 thousands -0.1%
2024 51,738 thousands -0.0%
2025 51,697 thousands -0.1%

South Korea compared with similar countries

  • South Korea's 51,697 thousands is above the median for high income countries, which is 3,084 thousands, 16.8× the median. (85 countries reporting)
  • South Korea's 51,697 thousands is above the median for East Asia & Pacific, which is 1,410 thousands, 36.7× the median. (37 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1970s 35,086 thousands 32,193 thousands 37,494 thousands 10
1980s 40,547 thousands 37,928 thousands 43,224 thousands 10
1990s 45,147 thousands 43,826 thousands 46,372 thousands 10
2000s 47,625 thousands 46,629 thousands 48,448 thousands 10
2010s 50,369 thousands 48,646 thousands 51,710 thousands 10
2020s 51,786 thousands 51,697 thousands 51,891 thousands 6

Countries ranked near South Korea

  1. 26 Kenya 56,981 thousands compare
  2. 27 Myanmar 54,680 thousands compare
  3. 28 Colombia 53,163 thousands compare
  4. 30 Sudan 50,849 thousands compare
  5. 31 Uganda 50,698 thousands compare
  6. 32 Spain 47,905 thousands compare

See the full ranking of 233 places →

More population data for South Korea

All data for South Korea →

Frequently asked questions

What is total population in South Korea?
Total population in South Korea was 51,697 thousands in 2025, according to UNESCO Institute for Statistics.
What is the highest total population recorded in South Korea?
The highest recorded value was 51,891 thousands in 2021.
What is the lowest total population recorded in South Korea?
The lowest recorded value was 32,193 thousands in 1970.
How does South Korea rank for total population?
South Korea ranks 29th out of 233 countries with data for 2025.
Is total population rising or falling in South Korea?
Over the last ten years it is up 1.8%. The long-run trend across the full record is rising.
Where does this South Korea data come from?
The figures come from UNESCO Institute for Statistics, published as part of Total population (thousands). Statizoid updates them automatically from the source API.

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Total population in South Korea. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 12 October 2026, from https://population.statizoid.com/stat/total-population-thousands/korea-rep/

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About this data

Indicator
Total population (thousands)
Unit
thousands
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
233 places, 12,820 data points, 1970–2025
Last refreshed

February 2026 Data Release