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Population density: Japan vs Tonga compared

Updated on by Georank team

Japan has a population density of 872 people per square mile compared to 372 people in Tonga. Japan has 32,817 sq ft of land per person vs 77,340 sq ft in Tonga. Japan and Tonga rank 28th and 69th 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 0.001% of the population and 0.0005% of the land area for Tonga, making the population density in Japan 134.5% higher than in Tonga.

Population density by year

Japan
Tonga

people per square mile

1x
Year Population density
Japan Tonga
2026 872 372
2025 876 373
2024 881 375
2023 885 376
2022 889 378
2021 893 379
2020 897 380
2019 900 380
2018 901 380
2017 902 379
2016 903 380
2015 903 382
2014 904 383
2013 906 385
2012 907 387
2011 908 387
2010 910 386
2009 910 386
2008 910 385
2007 910 384
2006 908 382
2005 908 380
2004 908 378
2003 908 376
2002 906 374
2001 903 372
2000 901 369
1999 900 367
1998 898 365
1997 896 362
1996 894 361
1995 891 361
1994 889 360
1993 887 360
1992 884 360
1991 881 359
1990 877 359
1989 874 358
1988 871 356
1987 867 354
1986 863 353
1985 858 352
1984 853 352
1983 844 353
1982 838 352
1981 832 352
1980 826 352
1979 819 351
1978 812 350
1977 805 348
1976 797 343
1975 788 335
1974 778 326
1973 768 319
1972 757 314
1971 747 309
1970 730 304
1969 722 298.2
1968 713 292.6
1967 705 287.1
1966 698 280.6
1965 692 273.1
1964 684 265.8
1963 677 258.6
1962 671 251.6
1961 664 244.7

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/tonga | CC BY

From 2006 to 2026, population density in Japan decreased by 4.07%, compared to a 2.77% decline in Tonga.

In 2006, Japan ranked 19th by population density and is 28th now. Tonga was 54th in 2006 and ranks 69th out of 197 currently.

Share of urban population by year

Japan
Tonga
1x
Year Urban population
Japan Tonga
2024 92.2% 21.2%
2023 92.1% 21.1%
2022 92% 21.1%
2021 91.9% 21.3%
2020 91.8% 21.9%
2019 91.7% 22.3%
2018 91.6% 22.7%
2017 91.5% 23%
2016 91.5% 23.1%
2015 91.4% 23.2%
2014 91.3% 23.3%
2013 91.2% 23.4%
2012 91% 23.5%
2011 90.9% 23.5%
2010 90.6% 23.4%
2009 90.1% 23.4%
2008 89.3% 23.3%
2007 88.3% 23.2%
2006 87.1% 23.2%
2005 86% 23.1%
2004 84.4% 23.1%
2003 82.4% 23.1%
2002 80.5% 23.1%
2001 79.2% 23%
2000 78.6% 23%
1999 78.4% 23%
1998 78.3% 23%
1997 78.2% 22.9%
1996 78.1% 22.9%
1995 78% 22.8%
1994 77.9% 22.7%
1993 77.7% 22.6%
1992 77.6% 22.5%
1991 77.5% 22.4%
1990 77.3% 22.2%
1989 77.2% 22%
1988 77.1% 21.9%
1987 76.9% 21.7%
1986 76.8% 21.5%
1985 76.7% 21.4%
1984 76.6% 21.2%
1983 76.5% 21%
1982 76.3% 20.9%
1981 76.3% 20.7%
1980 76.2% 20.6%
1979 76.1% 20.5%
1978 76.1% 20.4%
1977 76% 20.4%
1976 76% 20.3%
1975 75.9% 20.3%
1974 75.4% 20.3%
1973 74.6% 20.2%
1972 73.7% 20.2%
1971 72.7% 20.2%
1970 71.9% 20.2%
1969 71.1% 20.2%
1968 70.3% 20.1%
1967 69.5% 20.1%
1966 68.7% 20%
1965 67.9% 19.9%
1964 67% 19.7%
1963 66.1% 19.4%
1962 65.2% 19.1%
1961 64.3% 18.7%
1960 63.3% 18.3%

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/population-density/japan/tonga | CC BY

From 2004 to 2024, the share of urban population changed from 84.4% to 92.2% in Japan and from 23.1% to 21.2% in Tonga.

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

Compare countries by 7 more topics

Population density in other countries

1x

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/tonga | CC BY

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Data sources:

  1. World Bank | Agriculture & Rural Development (1961–2026, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1961–2026, retrieved 2026-03-10)
  3. U.S. Census Bureau (1961–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2020–2024, retrieved 2026-02-08)

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