Japan has a population density of 872 people per square mile compared to 1,371 people in South Korea. Japan has 32,817 sq ft of land per person vs 20,861 sq ft in South Korea. Japan and South Korea rank 28th and 18th by population density, respectively.
Population density is calculated as the ratio of population to land area. Japan has 1.53% of the world's population and 0.24% of all countries' land area, compared to 0.64% of the population and 0.07% of the land area for South Korea, making the population density in Japan 36.4% lower than in South Korea.
Population density by year
people per square mile
| Year | Population density | |
|---|---|---|
Japan
|
South Korea
|
|
| 2026 | 872 | 1,371 |
| 2025 | 876 | 1,372 |
| 2024 | 881 | 1,373 |
| 2023 | 885 | 1,372 |
| 2022 | 889 | 1,371 |
| 2021 | 893 | 1,374 |
| 2020 | 897 | 1,376 |
| 2019 | 900 | 1,374 |
| 2018 | 901 | 1,370 |
| 2017 | 902 | 1,364 |
| 2016 | 903 | 1,361 |
| 2015 | 903 | 1,356 |
| 2014 | 904 | 1,349 |
| 2013 | 906 | 1,341 |
| 2012 | 907 | 1,336 |
| 2011 | 908 | 1,331 |
| 2010 | 910 | 1,320 |
| 2009 | 910 | 1,316 |
| 2008 | 910 | 1,310 |
| 2007 | 910 | 1,301 |
| 2006 | 908 | 1,295 |
| 2005 | 908 | 1,289 |
| 2004 | 908 | 1,286 |
| 2003 | 908 | 1,281 |
| 2002 | 906 | 1,275 |
| 2001 | 903 | 1,268 |
| 2000 | 901 | 1,262 |
| 1999 | 900 | 1,252 |
| 1998 | 898 | 1,243 |
| 1997 | 896 | 1,234 |
| 1996 | 894 | 1,222 |
| 1995 | 891 | 1,211 |
| 1994 | 889 | 1,199 |
| 1993 | 887 | 1,187 |
| 1992 | 884 | 1,175 |
| 1991 | 881 | 1,163 |
| 1990 | 877 | 1,151 |
| 1989 | 874 | 1,140 |
| 1988 | 871 | 1,129 |
| 1987 | 867 | 1,118 |
| 1986 | 863 | 1,107 |
| 1985 | 858 | 1,096 |
| 1984 | 853 | 1,085 |
| 1983 | 844 | 1,072 |
| 1982 | 838 | 1,056 |
| 1981 | 832 | 1,040 |
| 1980 | 826 | 1,024 |
| 1979 | 819 | 1,008 |
| 1978 | 812 | 993 |
| 1977 | 805 | 978 |
| 1976 | 797 | 963 |
| 1975 | 788 | 947 |
| 1974 | 778 | 932 |
| 1973 | 768 | 916 |
| 1972 | 757 | 900 |
| 1971 | 747 | 883 |
| 1970 | 730 | 866 |
| 1969 | 722 | 847 |
| 1968 | 713 | 828 |
| 1967 | 705 | 809 |
| 1966 | 698 | 790 |
| 1965 | 692 | 771 |
| 1964 | 684 | 751 |
| 1963 | 677 | 732 |
| 1962 | 671 | 712 |
| 1961 | 664 | 692 |
Data sources: World Bank | Agriculture & Rural Development (1961–2026, retrieved 2026-04-06); United Nations | World Population Prospects (2025–2026, retrieved 2026-03-10).
GeoRank.org/population-density/japan/south-korea | CC BY 
From 2006 to 2026, population density in Japan decreased by 4.07%, compared to a 5.84% growth in South Korea.
In 2006, Japan ranked 19th by population density and is 28th now. South Korea was 14th in 2006 and ranks 18th out of 197 currently.
Population density comparison
|
Japan
|
South Korea
|
|
|---|---|---|
| Population density | 872 ppl/mi² | 1,371 ppl/mi² |
| Population density rank | 28/197 | 18/197 |
| Population |
122677250
|
51649918
|
| Land area | 140,761 sq mi | 37,684 sq mi |
| Land area per capita | 31,653 sq ft | 20,300 sq ft |
| Rural population | 7.81% | 18.8% |
| Urban population | 92.2% | 81.2% |
| Living in agglomerations of 1M+ people | 28.3% | 54.1% |
Share of urban population by year
| Year | Urban population | |
|---|---|---|
|
Japan
|
South Korea
|
|
| 2024 | 92.2% | 81.2% |
| 2023 | 92.1% | 81.2% |
| 2022 | 92% | 81.2% |
| 2021 | 91.9% | 81.2% |
| 2020 | 91.8% | 81.2% |
| 2019 | 91.7% | 81.3% |
| 2018 | 91.6% | 81.4% |
| 2017 | 91.5% | 81.5% |
| 2016 | 91.5% | 81.6% |
| 2015 | 91.4% | 81.6% |
| 2014 | 91.3% | 81.7% |
| 2013 | 91.2% | 81.8% |
| 2012 | 91% | 81.9% |
| 2011 | 90.9% | 82% |
| 2010 | 90.6% | 82% |
| 2009 | 90.1% | 81.9% |
| 2008 | 89.3% | 81.8% |
| 2007 | 88.3% | 81.7% |
| 2006 | 87.1% | 81.6% |
| 2005 | 86% | 81.4% |
| 2004 | 84.4% | 81.1% |
| 2003 | 82.4% | 80.7% |
| 2002 | 80.5% | 80.3% |
| 2001 | 79.2% | 79.9% |
| 2000 | 78.6% | 79.6% |
| 1999 | 78.4% | 79.4% |
| 1998 | 78.3% | 79.2% |
| 1997 | 78.2% | 79% |
| 1996 | 78.1% | 78.8% |
| 1995 | 78% | 78.4% |
| 1994 | 77.9% | 77.9% |
| 1993 | 77.7% | 77.1% |
| 1992 | 77.6% | 76.2% |
| 1991 | 77.5% | 75.2% |
| 1990 | 77.3% | 74% |
| 1989 | 77.2% | 72.5% |
| 1988 | 77.1% | 70.6% |
| 1987 | 76.9% | 68.6% |
| 1986 | 76.8% | 66.6% |
| 1985 | 76.7% | 64.8% |
| 1984 | 76.6% | 63.1% |
| 1983 | 76.5% | 61.5% |
| 1982 | 76.3% | 60% |
| 1981 | 76.3% | 58.3% |
| 1980 | 76.2% | 56.7% |
| 1979 | 76.1% | 54.9% |
| 1978 | 76.1% | 53.1% |
| 1977 | 76% | 51.3% |
| 1976 | 76% | 49.6% |
| 1975 | 75.9% | 48% |
| 1974 | 75.4% | 46.5% |
| 1973 | 74.6% | 45.1% |
| 1972 | 73.7% | 43.8% |
| 1971 | 72.7% | 42.3% |
| 1970 | 71.9% | 40.7% |
| 1969 | 71.1% | 38.7% |
| 1968 | 70.3% | 36.5% |
| 1967 | 69.5% | 34.6% |
| 1966 | 68.7% | 33.1% |
| 1965 | 67.9% | 32% |
| 1964 | 67% | 31% |
| 1963 | 66.1% | 30.1% |
| 1962 | 65.2% | 29.2% |
| 1961 | 64.3% | 28.4% |
| 1960 | 63.3% | 27.7% |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population-density/japan/south-korea | CC BY
From 2004 to 2024, the share of urban population changed from 84.4% to 92.2% in Japan and from 81.1% to 81.2% in South Korea.
Densely populated cities
|
Japan
|
|
|---|---|
| City | Population |
| Tokyo | 14.3M |
| Yokohama | 3.76M |
| Osaka | 2.75M |
| Nagoya | 2.33M |
| Sapporo | 1.96M |
| Fukuoka | 1.6M |
| Kawasaki | 1.54M |
| Kobe | 1.52M |
| Kyoto | 1.46M |
| Saitama | 1.33M |
|
South Korea
|
|
|---|---|
| City | Population |
| Seoul | 9.67M |
| Busan | 3.45M |
| Incheon | 3.05M |
| Daegu | 2.38M |
| Daejeon | 1.48M |
| Gwangju | 1.41M |
| Suwon | 1.23M |
| Ulsan | 1.13M |
| Yongin | 1.08M |
| Goyang | 1.06M |
Compare countries by 7 more topics
Population density in other countries
Data sources: World Bank | Agriculture & Rural Development (1961–2026, retrieved 2026-04-06); United Nations | World Population Prospects (1961–2026, retrieved 2026-03-10); U.S. Census Bureau (1961–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).
GeoRank.org/population-density/japan/south-korea | CC BY
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Data sources:
- World Bank | Agriculture & Rural Development (1961–2026, retrieved 2026-04-06)
- United Nations | World Population Prospects (1961–2026, retrieved 2026-03-10)
- U.S. Census Bureau (1961–2025, retrieved 2026-02-08)
- Wikidata (2018–2025, retrieved 2026-02-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
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