Sierra Leone has a population density of 323 people per square mile compared to 372 people in Tonga. Sierra Leone has 89,354 sq ft of land per person vs 77,340 sq ft in Tonga. Sierra Leone and Tonga rank 77th and 69th by population density, respectively.
Population density is calculated as the ratio of population to land area. Sierra Leone has 0.11% of the world's population and 0.05% 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 Sierra Leone 13.1% lower than in Tonga.
Population density by year
people per square mile
| Year | Population density | |
|---|---|---|
Sierra Leone
|
Tonga
|
|
| 2026 | 323 | 372 |
| 2025 | 317 | 373 |
| 2024 | 310 | 375 |
| 2023 | 304 | 376 |
| 2022 | 297 | 378 |
| 2021 | 290.5 | 379 |
| 2020 | 283.9 | 380 |
| 2019 | 277.4 | 380 |
| 2018 | 271.1 | 380 |
| 2017 | 264.8 | 379 |
| 2016 | 258.5 | 380 |
| 2015 | 252.5 | 382 |
| 2014 | 246.7 | 383 |
| 2013 | 240.9 | 385 |
| 2012 | 235.1 | 387 |
| 2011 | 229.2 | 387 |
| 2010 | 223.3 | 386 |
| 2009 | 217.3 | 386 |
| 2008 | 211.5 | 385 |
| 2007 | 206.3 | 384 |
| 2006 | 201.8 | 382 |
| 2005 | 197.4 | 380 |
| 2004 | 192.2 | 378 |
| 2003 | 185.8 | 376 |
| 2002 | 178.4 | 374 |
| 2001 | 168.4 | 372 |
| 2000 | 158.7 | 369 |
| 1999 | 154.9 | 367 |
| 1998 | 154.1 | 365 |
| 1997 | 152.6 | 362 |
| 1996 | 150.7 | 361 |
| 1995 | 150 | 361 |
| 1994 | 149.7 | 360 |
| 1993 | 149.2 | 360 |
| 1992 | 149.5 | 360 |
| 1991 | 152.4 | 359 |
| 1990 | 150.6 | 359 |
| 1989 | 144.8 | 358 |
| 1988 | 141.2 | 356 |
| 1987 | 137.4 | 354 |
| 1986 | 133.8 | 353 |
| 1985 | 130.6 | 352 |
| 1984 | 127.7 | 352 |
| 1983 | 124.9 | 353 |
| 1982 | 122.3 | 352 |
| 1981 | 119.8 | 352 |
| 1980 | 117.4 | 352 |
| 1979 | 115.1 | 351 |
| 1978 | 112.9 | 350 |
| 1977 | 110.7 | 348 |
| 1976 | 108.7 | 343 |
| 1975 | 106.7 | 335 |
| 1974 | 104.8 | 326 |
| 1973 | 102.9 | 319 |
| 1972 | 101 | 314 |
| 1971 | 99.2 | 309 |
| 1970 | 97.3 | 304 |
| 1969 | 95.5 | 298.2 |
| 1968 | 93.7 | 292.6 |
| 1967 | 91.9 | 287.1 |
| 1966 | 90.2 | 280.6 |
| 1965 | 88.6 | 273.1 |
| 1964 | 87 | 265.8 |
| 1963 | 85.5 | 258.6 |
| 1962 | 84 | 251.6 |
| 1961 | 82.7 | 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/sierra-leone/tonga | CC BY 
From 2006 to 2026, population density in Sierra Leone increased by 60%, compared to a 2.77% decline in Tonga.
In 2006, Sierra Leone ranked 95th by population density and is 77th now. Tonga was 54th in 2006 and ranks 69th out of 197 currently.
Population density comparison
|
Sierra Leone
|
Tonga
|
|
|---|---|---|
| Population density | 323 ppl/mi² | 372 ppl/mi² |
| Population density rank | 77/197 | 69/197 |
| Population |
9049533
|
103309
|
| Land area | 27,869 sq mi | 278 sq mi |
| Land area per capita | 89,902 sq ft | 74,394 sq ft |
| Rural population | 54.6% | 78.8% |
| Urban population | 45.4% | 21.2% |
| Living in agglomerations of 1M+ people | 0% | 0% |
Share of urban population by year
| Year | Urban population | |
|---|---|---|
|
Sierra Leone
|
Tonga
|
|
| 2024 | 45.4% | 21.2% |
| 2023 | 44.8% | 21.1% |
| 2022 | 44.3% | 21.1% |
| 2021 | 43.7% | 21.3% |
| 2020 | 43.2% | 21.9% |
| 2019 | 42.7% | 22.3% |
| 2018 | 42.2% | 22.7% |
| 2017 | 41.7% | 23% |
| 2016 | 41.2% | 23.1% |
| 2015 | 40.8% | 23.2% |
| 2014 | 40.3% | 23.3% |
| 2013 | 39.9% | 23.4% |
| 2012 | 39.5% | 23.5% |
| 2011 | 39% | 23.5% |
| 2010 | 38.6% | 23.4% |
| 2009 | 38.2% | 23.4% |
| 2008 | 37.9% | 23.3% |
| 2007 | 37.5% | 23.2% |
| 2006 | 37.2% | 23.2% |
| 2005 | 36.8% | 23.1% |
| 2004 | 36.5% | 23.1% |
| 2003 | 36.3% | 23.1% |
| 2002 | 36% | 23.1% |
| 2001 | 35.8% | 23% |
| 2000 | 35.5% | 23% |
| 1999 | 35.3% | 23% |
| 1998 | 35.1% | 23% |
| 1997 | 34.9% | 22.9% |
| 1996 | 34.7% | 22.9% |
| 1995 | 34.5% | 22.8% |
| 1994 | 34.3% | 22.7% |
| 1993 | 34.1% | 22.6% |
| 1992 | 33.9% | 22.5% |
| 1991 | 33.7% | 22.4% |
| 1990 | 33.5% | 22.2% |
| 1989 | 33.2% | 22% |
| 1988 | 33% | 21.9% |
| 1987 | 32.7% | 21.7% |
| 1986 | 32.4% | 21.5% |
| 1985 | 32.1% | 21.4% |
| 1984 | 31.8% | 21.2% |
| 1983 | 31.4% | 21% |
| 1982 | 31% | 20.9% |
| 1981 | 30.6% | 20.7% |
| 1980 | 30.2% | 20.6% |
| 1979 | 29.8% | 20.5% |
| 1978 | 29.3% | 20.4% |
| 1977 | 28.8% | 20.4% |
| 1976 | 28.3% | 20.3% |
| 1975 | 27.8% | 20.3% |
| 1974 | 27.2% | 20.3% |
| 1973 | 26.6% | 20.2% |
| 1972 | 25.9% | 20.2% |
| 1971 | 25.2% | 20.2% |
| 1970 | 24.4% | 20.2% |
| 1969 | 23.5% | 20.2% |
| 1968 | 22.7% | 20.1% |
| 1967 | 21.9% | 20.1% |
| 1966 | 21.1% | 20% |
| 1965 | 20.3% | 19.9% |
| 1964 | 19.7% | 19.7% |
| 1963 | 19% | 19.4% |
| 1962 | 18.5% | 19.1% |
| 1961 | 18% | 18.7% |
| 1960 | 17.4% | 18.3% |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population-density/sierra-leone/tonga | CC BY
From 2004 to 2024, the share of urban population changed from 36.5% to 45.4% in Sierra Leone and from 23.1% to 21.2% in Tonga.
Densely populated cities
|
Sierra Leone
|
|
|---|---|
| City | Population |
| Freetown | 951K |
| Bo | 234K |
| Kenema | 188K |
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/sierra-leone/tonga | CC BY
Help us show the world through your eyes
Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.
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 (2013–2024, retrieved 2026-02-08)
Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.