Sierra Leone has a population density of 323 people per square mile compared to 363 people in Thailand. Sierra Leone has 89,354 sq ft of land per person vs 77,066 sq ft in Thailand. Sierra Leone and Thailand rank 77th and 70th 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 0.88% of the population and 0.34% of the land area for Thailand, making the population density in Sierra Leone 11% lower than in Thailand.
Population density by year
people per square mile
| Year | Population density | |
|---|---|---|
Sierra Leone
|
Thailand
|
|
| 2026 | 323 | 363 |
| 2025 | 317 | 363 |
| 2024 | 310 | 363 |
| 2023 | 304 | 363 |
| 2022 | 297 | 364 |
| 2021 | 290.5 | 364 |
| 2020 | 283.9 | 363 |
| 2019 | 277.4 | 363 |
| 2018 | 271.1 | 362 |
| 2017 | 264.8 | 361 |
| 2016 | 258.5 | 359 |
| 2015 | 252.5 | 358 |
| 2014 | 246.7 | 356 |
| 2013 | 240.9 | 354 |
| 2012 | 235.1 | 352 |
| 2011 | 229.2 | 350 |
| 2010 | 223.3 | 348 |
| 2009 | 217.3 | 345 |
| 2008 | 211.5 | 343 |
| 2007 | 206.3 | 340 |
| 2006 | 201.8 | 337 |
| 2005 | 197.4 | 335 |
| 2004 | 192.2 | 332 |
| 2003 | 185.8 | 329 |
| 2002 | 178.4 | 326 |
| 2001 | 168.4 | 323 |
| 2000 | 158.7 | 319 |
| 1999 | 154.9 | 316 |
| 1998 | 154.1 | 312 |
| 1997 | 152.6 | 308 |
| 1996 | 150.7 | 304 |
| 1995 | 150 | 299.6 |
| 1994 | 149.7 | 295.4 |
| 1993 | 149.2 | 291 |
| 1992 | 149.5 | 286.6 |
| 1991 | 152.4 | 282.1 |
| 1990 | 150.6 | 277.5 |
| 1989 | 144.8 | 273 |
| 1988 | 141.2 | 268.5 |
| 1987 | 137.4 | 264 |
| 1986 | 133.8 | 259.4 |
| 1985 | 130.6 | 254.9 |
| 1984 | 127.7 | 250.2 |
| 1983 | 124.9 | 245.5 |
| 1982 | 122.3 | 240.8 |
| 1981 | 119.8 | 236.1 |
| 1980 | 117.4 | 231.4 |
| 1979 | 115.1 | 226.7 |
| 1978 | 112.9 | 222 |
| 1977 | 110.7 | 217.2 |
| 1976 | 108.7 | 212.4 |
| 1975 | 106.7 | 207.5 |
| 1974 | 104.8 | 202.5 |
| 1973 | 102.9 | 197.4 |
| 1972 | 101 | 192.3 |
| 1971 | 99.2 | 187.3 |
| 1970 | 97.3 | 182.3 |
| 1969 | 95.5 | 177.3 |
| 1968 | 93.7 | 172.4 |
| 1967 | 91.9 | 167.5 |
| 1966 | 90.2 | 162.7 |
| 1965 | 88.6 | 157.9 |
| 1964 | 87 | 153.3 |
| 1963 | 85.5 | 148.8 |
| 1962 | 84 | 144.4 |
| 1961 | 82.7 | 140.2 |
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/thailand | CC BY 
From 2006 to 2026, population density in Sierra Leone increased by 60%, compared to a 7.52% growth in Thailand.
In 2006, Sierra Leone ranked 95th by population density and is 77th now. Thailand was 61st in 2006 and ranks 70th out of 197 currently.
Population density comparison
|
Sierra Leone
|
Thailand
|
|
|---|---|---|
| Population density | 323 ppl/mi² | 363 ppl/mi² |
| Population density rank | 77/197 | 70/197 |
| Population |
9049533
|
71571743
|
| Land area | 27,869 sq mi | 197,256 sq mi |
| Land area per capita | 89,902 sq ft | 76,731 sq ft |
| Rural population | 54.6% | 38.1% |
| Urban population | 45.4% | 61.9% |
| Living in agglomerations of 1M+ people | 0% | 9.61% |
Share of urban population by year
| Year | Urban population | |
|---|---|---|
|
Sierra Leone
|
Thailand
|
|
| 2024 | 45.4% | 61.9% |
| 2023 | 44.8% | 60.9% |
| 2022 | 44.3% | 59.7% |
| 2021 | 43.7% | 58.5% |
| 2020 | 43.2% | 57.2% |
| 2019 | 42.7% | 55.9% |
| 2018 | 42.2% | 54.6% |
| 2017 | 41.7% | 49.2% |
| 2016 | 41.2% | 47.9% |
| 2015 | 40.8% | 47% |
| 2014 | 40.3% | 46.3% |
| 2013 | 39.9% | 45.8% |
| 2012 | 39.5% | 45.4% |
| 2011 | 39% | 44.8% |
| 2010 | 38.6% | 44% |
| 2009 | 38.2% | 43% |
| 2008 | 37.9% | 41.9% |
| 2007 | 37.5% | 40.7% |
| 2006 | 37.2% | 39.4% |
| 2005 | 36.8% | 38.1% |
| 2004 | 36.5% | 36.8% |
| 2003 | 36.3% | 35.4% |
| 2002 | 36% | 34.1% |
| 2001 | 35.8% | 32.7% |
| 2000 | 35.5% | 31.5% |
| 1999 | 35.3% | 30.2% |
| 1998 | 35.1% | 28.7% |
| 1997 | 34.9% | 27.2% |
| 1996 | 34.7% | 25.6% |
| 1995 | 34.5% | 24.1% |
| 1994 | 34.3% | 22.7% |
| 1993 | 34.1% | 21.3% |
| 1992 | 33.9% | 20.2% |
| 1991 | 33.7% | 19.4% |
| 1990 | 33.5% | 18.8% |
| 1989 | 33.2% | 18.5% |
| 1988 | 33% | 18.3% |
| 1987 | 32.7% | 18.1% |
| 1986 | 32.4% | 17.9% |
| 1985 | 32.1% | 17.8% |
| 1984 | 31.8% | 17.7% |
| 1983 | 31.4% | 17.6% |
| 1982 | 31% | 17.4% |
| 1981 | 30.6% | 17.3% |
| 1980 | 30.2% | 17.1% |
| 1979 | 29.8% | 16.8% |
| 1978 | 29.3% | 16.5% |
| 1977 | 28.8% | 16.1% |
| 1976 | 28.3% | 15.7% |
| 1975 | 27.8% | 15.2% |
| 1974 | 27.2% | 14.8% |
| 1973 | 26.6% | 14.3% |
| 1972 | 25.9% | 13.9% |
| 1971 | 25.2% | 13.6% |
| 1970 | 24.4% | 13.3% |
| 1969 | 23.5% | 13.1% |
| 1968 | 22.7% | 12.9% |
| 1967 | 21.9% | 12.7% |
| 1966 | 21.1% | 12.6% |
| 1965 | 20.3% | 12.5% |
| 1964 | 19.7% | 12.3% |
| 1963 | 19% | 12.2% |
| 1962 | 18.5% | 12.1% |
| 1961 | 18% | 12% |
| 1960 | 17.4% | 11.8% |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population-density/sierra-leone/thailand | CC BY
From 2004 to 2024, the share of urban population changed from 36.5% to 45.4% in Sierra Leone and from 36.8% to 61.9% in Thailand.
Densely populated cities
|
Sierra Leone
|
|
|---|---|
| City | Population |
| Freetown | 951K |
| Bo | 234K |
| Kenema | 188K |
|
Thailand
|
|
|---|---|
| City | Population |
| Bangkok | 5.68M |
| Chiang Mai | 1.2M |
| Nonthaburi | 256K |
| Pak Kret | 190K |
| Hat Yai | 159K |
| Nakhon Ratchasima | 134K |
| Chaophraya Surasak | 133K |
| Surat Thani | 131K |
| Udon Thani | 130K |
| Klaeng | 130K |
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/thailand | 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 (2013–2024, retrieved 2026-02-08)
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