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Population density: Solomon Islands vs Tonga compared

Updated on by Georank team

The Solomon Islands has a population density of 79.4 people per square mile compared to 372 people in Tonga. The Solomon Islands has 373,164 sq ft of land per person vs 77,340 sq ft in Tonga. The Solomon Islands and Tonga rank 155th and 69th by population density, respectively.

Population density is calculated as the ratio of population to land area. The Solomon Islands has 0.01% of the world's population and 0.02% 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 the Solomon Islands 78.6% lower than in Tonga.

Population density by year

Solomon Islands
Tonga

people per square mile

1x
Year Population density
Solomon Islands Tonga
2026 79.4 372
2025 77.6 373
2024 75.8 375
2023 74 376
2022 72.3 378
2021 70.6 379
2020 68.9 380
2019 67.4 380
2018 65.6 380
2017 63.4 379
2016 61.3 380
2015 59.2 382
2014 57.1 383
2013 55.1 385
2012 53.1 387
2011 51.2 387
2010 49.3 386
2009 47.9 386
2008 47.1 385
2007 46.3 384
2006 45.5 382
2005 44.7 380
2004 43.9 378
2003 43.1 376
2002 42.3 374
2001 41.6 372
2000 40.8 369
1999 39.8 367
1998 38.8 365
1997 37.7 362
1996 36.6 361
1995 35.6 361
1994 34.6 360
1993 33.6 360
1992 32.6 360
1991 31.6 359
1990 30.7 359
1989 29.7 358
1988 28.8 356
1987 27.9 354
1986 27 353
1985 26.1 352
1984 25.3 352
1983 24.4 353
1982 23.6 352
1981 22.8 352
1980 22 352
1979 21.3 351
1978 20.5 350
1977 19.8 348
1976 19.2 343
1975 18.6 335
1974 18 326
1973 17.6 319
1972 17.1 314
1971 16.7 309
1970 16.3 304
1969 16 298.2
1968 15.6 292.6
1967 15.2 287.1
1966 14.8 280.6
1965 14.5 273.1
1964 14.2 265.8
1963 13.8 258.6
1962 13.5 251.6
1961 13.2 244.7

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/solomon-islands/tonga | CC BY

From 2006 to 2026, population density in the Solomon Islands increased by 74.6%, compared to a 2.77% decline in Tonga.

In 2006, the Solomon Islands ranked 161st by population density and is 155th now. Tonga was 54th in 2006 and ranks 69th out of 197 currently.

Share of urban population by year

Solomon Islands
Tonga
1x
Year Urban population
Solomon Islands Tonga
2024 30.7% 21.2%
2023 30% 21.1%
2022 29.4% 21.1%
2021 28.7% 21.3%
2020 28% 21.9%
2019 27.3% 22.3%
2018 26.3% 22.7%
2017 25.4% 23%
2016 24.5% 23.1%
2015 23.7% 23.2%
2014 22.9% 23.3%
2013 22.1% 23.4%
2012 21.4% 23.5%
2011 20.7% 23.5%
2010 20.1% 23.4%
2009 19.6% 23.4%
2008 19% 23.3%
2007 18.5% 23.2%
2006 18.1% 23.2%
2005 17.6% 23.1%
2004 17.2% 23.1%
2003 16.8% 23.1%
2002 16.4% 23.1%
2001 16.1% 23%
2000 15.8% 23%
1999 15.5% 23%
1998 15.2% 23%
1997 15% 22.9%
1996 14.8% 22.9%
1995 14.6% 22.8%
1994 14.4% 22.7%
1993 14.3% 22.6%
1992 14.1% 22.5%
1991 13.9% 22.4%
1990 13.8% 22.2%
1989 13.6% 22%
1988 13.4% 21.9%
1987 13.1% 21.7%
1986 12.9% 21.5%
1985 12.6% 21.4%
1984 12.3% 21.2%
1983 11.9% 21%
1982 11.6% 20.9%
1981 11.2% 20.7%
1980 10.8% 20.6%
1979 10.4% 20.5%
1978 10% 20.4%
1977 9.66% 20.4%
1976 9.29% 20.3%
1975 8.93% 20.3%
1974 8.59% 20.3%
1973 8.26% 20.2%
1972 7.91% 20.2%
1971 7.54% 20.2%
1970 7.13% 20.2%
1969 6.63% 20.2%
1968 6.06% 20.1%
1967 5.47% 20.1%
1966 4.94% 20%
1965 4.46% 19.9%
1964 4.02% 19.7%
1963 3.66% 19.4%
1962 3.31% 19.1%
1961 3% 18.7%
1960 2.72% 18.3%

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

GeoRank.org/population-density/solomon-islands/tonga | CC BY

From 2004 to 2024, the share of urban population changed from 17.2% to 30.7% in the Solomon Islands and from 23.1% to 21.2% in Tonga.

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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/solomon-islands/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 (2024, retrieved 2026-02-08)

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