The Congo has a population density of 50.4 people per square mile compared to 372 people in Tonga. The Congo has 581,285 sq ft of land per person vs 77,340 sq ft in Tonga. The Congo and Tonga rank 172nd and 69th by population density, respectively.
Population density is calculated as the ratio of population to land area. The Congo has 0.08% of the world's population and 0.23% 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 Congo 86.4% lower than in Tonga.
Population density by year
people per square mile
| Year | Population density | |
|---|---|---|
Congo
|
Tonga
|
|
| 2026 | 50.4 | 372 |
| 2025 | 49.2 | 373 |
| 2024 | 48 | 375 |
| 2023 | 46.9 | 376 |
| 2022 | 45.8 | 378 |
| 2021 | 44.7 | 379 |
| 2020 | 43.6 | 380 |
| 2019 | 42.6 | 380 |
| 2018 | 41.6 | 380 |
| 2017 | 40.6 | 379 |
| 2016 | 39.6 | 380 |
| 2015 | 38.7 | 382 |
| 2014 | 37.7 | 383 |
| 2013 | 36.8 | 385 |
| 2012 | 36 | 387 |
| 2011 | 35 | 387 |
| 2010 | 33.8 | 386 |
| 2009 | 32.5 | 386 |
| 2008 | 31.2 | 385 |
| 2007 | 30.2 | 384 |
| 2006 | 29.1 | 382 |
| 2005 | 28 | 380 |
| 2004 | 27 | 378 |
| 2003 | 26.1 | 376 |
| 2002 | 25.4 | 374 |
| 2001 | 24.8 | 372 |
| 2000 | 23.9 | 369 |
| 1999 | 23 | 367 |
| 1998 | 22.4 | 365 |
| 1997 | 21.9 | 362 |
| 1996 | 21.4 | 361 |
| 1995 | 20.9 | 361 |
| 1994 | 20.3 | 360 |
| 1993 | 19.7 | 360 |
| 1992 | 19.1 | 360 |
| 1991 | 18.6 | 359 |
| 1990 | 18.1 | 359 |
| 1989 | 17.5 | 358 |
| 1988 | 17 | 356 |
| 1987 | 16.6 | 354 |
| 1986 | 16.1 | 353 |
| 1985 | 15.6 | 352 |
| 1984 | 15.2 | 352 |
| 1983 | 14.8 | 353 |
| 1982 | 14.5 | 352 |
| 1981 | 14.2 | 352 |
| 1980 | 13.9 | 352 |
| 1979 | 13.6 | 351 |
| 1978 | 13.3 | 350 |
| 1977 | 13 | 348 |
| 1976 | 12.6 | 343 |
| 1975 | 12.3 | 335 |
| 1974 | 12 | 326 |
| 1973 | 11.6 | 319 |
| 1972 | 11.3 | 314 |
| 1971 | 10.9 | 309 |
| 1970 | 10.6 | 304 |
| 1969 | 10.3 | 298.2 |
| 1968 | 9.98 | 292.6 |
| 1967 | 9.7 | 287.1 |
| 1966 | 9.42 | 280.6 |
| 1965 | 9.16 | 273.1 |
| 1964 | 8.91 | 265.8 |
| 1963 | 8.67 | 258.6 |
| 1962 | 8.44 | 251.6 |
| 1961 | 8.22 | 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/congo/tonga | CC BY 
From 2006 to 2026, population density in the Congo increased by 73%, compared to a 2.77% decline in Tonga.
In 2006, the Congo ranked 175th by population density and is 172nd now. Tonga was 54th in 2006 and ranks 69th out of 197 currently.
Population density comparison
|
Congo
|
Tonga
|
|
|---|---|---|
| Population density | 50.4 ppl/mi² | 372 ppl/mi² |
| Population density rank | 172/197 | 69/197 |
| Population |
6681829
|
103309
|
| Land area | 131,854 sq mi | 278 sq mi |
| Land area per capita | 580,436 sq ft | 74,394 sq ft |
| Rural population | 36.1% | 78.8% |
| Urban population | 63.9% | 21.2% |
| Living in agglomerations of 1M+ people | 53.4% | 0% |
Share of urban population by year
| Year | Urban population | |
|---|---|---|
|
Congo
|
Tonga
|
|
| 2024 | 63.9% | 21.2% |
| 2023 | 63.7% | 21.1% |
| 2022 | 63.6% | 21.1% |
| 2021 | 63.6% | 21.3% |
| 2020 | 63.6% | 21.9% |
| 2019 | 63.5% | 22.3% |
| 2018 | 63.4% | 22.7% |
| 2017 | 63.4% | 23% |
| 2016 | 63.3% | 23.1% |
| 2015 | 63.1% | 23.2% |
| 2014 | 63% | 23.3% |
| 2013 | 62.9% | 23.4% |
| 2012 | 62.7% | 23.5% |
| 2011 | 62.6% | 23.5% |
| 2010 | 62.4% | 23.4% |
| 2009 | 62.2% | 23.4% |
| 2008 | 62% | 23.3% |
| 2007 | 61.9% | 23.2% |
| 2006 | 61.6% | 23.2% |
| 2005 | 61.3% | 23.1% |
| 2004 | 60.9% | 23.1% |
| 2003 | 60.5% | 23.1% |
| 2002 | 60% | 23.1% |
| 2001 | 59.4% | 23% |
| 2000 | 58.9% | 23% |
| 1999 | 58.3% | 23% |
| 1998 | 57.8% | 23% |
| 1997 | 57.3% | 22.9% |
| 1996 | 56.8% | 22.9% |
| 1995 | 56.4% | 22.8% |
| 1994 | 56% | 22.7% |
| 1993 | 55.6% | 22.6% |
| 1992 | 55.3% | 22.5% |
| 1991 | 54.9% | 22.4% |
| 1990 | 54.6% | 22.2% |
| 1989 | 54.2% | 22% |
| 1988 | 53.8% | 21.9% |
| 1987 | 53.4% | 21.7% |
| 1986 | 52.9% | 21.5% |
| 1985 | 52.3% | 21.4% |
| 1984 | 51.6% | 21.2% |
| 1983 | 50.7% | 21% |
| 1982 | 49.6% | 20.9% |
| 1981 | 48.2% | 20.7% |
| 1980 | 46.8% | 20.6% |
| 1979 | 45.3% | 20.5% |
| 1978 | 43.8% | 20.4% |
| 1977 | 42.4% | 20.4% |
| 1976 | 41.2% | 20.3% |
| 1975 | 40.2% | 20.3% |
| 1974 | 39.6% | 20.3% |
| 1973 | 39.2% | 20.2% |
| 1972 | 38.9% | 20.2% |
| 1971 | 38.6% | 20.2% |
| 1970 | 38.3% | 20.2% |
| 1969 | 38.1% | 20.2% |
| 1968 | 37.8% | 20.1% |
| 1967 | 37.6% | 20.1% |
| 1966 | 37.4% | 20% |
| 1965 | 37.3% | 19.9% |
| 1964 | 37.2% | 19.7% |
| 1963 | 37.1% | 19.4% |
| 1962 | 37% | 19.1% |
| 1961 | 37% | 18.7% |
| 1960 | 36.7% | 18.3% |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population-density/congo/tonga | CC BY
From 2004 to 2024, the share of urban population changed from 60.9% to 63.9% in the Congo and from 23.1% to 21.2% in Tonga.
Densely populated cities
|
Congo
|
|
|---|---|
| City | Population |
| Brazzaville | 2.15M |
| Pointe-Noire | 1.42M |
| Kayes | 71.6K |
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/congo/tonga | 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)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
- Wikidata (2023–2024, retrieved 2026-02-08)
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