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Population density: Monaco vs Sierra Leone compared

Updated on by Georank team

Monaco has a population density of 47,292 people per square mile compared to 323 people in Sierra Leone. Monaco has 580 sq ft of land per person vs 89,354 sq ft in Sierra Leone. Monaco and Sierra Leone rank 1st and 77th by population density, respectively.

Population density is calculated as the ratio of population to land area. Monaco has 0.0005% of the world's population and 0.000001% of all countries' land area, compared to 0.11% of the population and 0.05% of the land area for Sierra Leone, making the population density in Monaco 14,542% higher than in Sierra Leone.

Population density by year

Monaco
Sierra Leone

people per square mile

1x
Year Population density
Monaco Sierra Leone
2026 47,292 323
2025 47,649 317
2024 48,010 310
2023 48,414 304
2022 48,383 297
2021 47,881 290.5
2020 48,618 283.9
2019 48,694 277.4
2018 48,751 271.1
2017 48,143 264.8
2016 47,629 258.5
2015 46,966 252.5
2014 46,162 246.7
2013 45,292 240.9
2012 44,352 235.1
2011 43,374 229.2
2010 42,374 223.3
2009 41,353 217.3
2008 40,678 211.5
2007 40,680 206.3
2006 40,961 201.8
2005 41,156 197.4
2004 41,280 192.2
2003 41,366 185.8
2002 41,427 178.4
2001 41,459 168.4
2000 41,469 158.7
1999 41,412 154.9
1998 41,229 154.1
1997 40,968 152.6
1996 40,680 150.7
1995 40,388 150
1994 40,089 149.7
1993 39,784 149.2
1992 39,466 149.5
1991 39,131 152.4
1990 38,790 150.6
1989 38,440 144.8
1988 38,053 141.2
1987 37,624 137.4
1986 37,173 133.8
1985 36,711 130.6
1984 36,232 127.7
1983 35,726 124.9
1982 35,216 122.3
1981 34,873 119.8
1980 34,655 117.4
1979 34,361 115.1
1978 33,994 112.9
1977 33,570 110.7
1976 33,087 108.7
1975 32,582 106.7
1974 32,244 104.8
1973 32,036 102.9
1972 31,767 101
1971 31,402 99.2
1970 30,958 97.3
1969 30,450 95.5
1968 29,946 93.7
1967 29,682 91.9
1966 29,556 90.2
1965 29,313 88.6
1964 28,987 87
1963 28,602 85.5
1962 28,210 84
1961 27,984 82.7

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/monaco/sierra-leone | CC BY

From 2006 to 2026, population density in Monaco increased by 15.5%, compared to a 60% growth in Sierra Leone.

In 2006, Monaco ranked 1st by population density and is 1st still. Sierra Leone was 95th in 2006 and ranks 77th out of 197 currently.

Share of urban population by year

Monaco
Sierra Leone
1x
Year Urban population
Monaco Sierra Leone
2024 100% 45.4%
2023 100% 44.8%
2022 100% 44.3%
2021 100% 43.7%
2020 100% 43.2%
2019 100% 42.7%
2018 100% 42.2%
2017 100% 41.7%
2016 100% 41.2%
2015 100% 40.8%
2014 100% 40.3%
2013 100% 39.9%
2012 100% 39.5%
2011 100% 39%
2010 100% 38.6%
2009 100% 38.2%
2008 100% 37.9%
2007 100% 37.5%
2006 100% 37.2%
2005 100% 36.8%
2004 100% 36.5%
2003 100% 36.3%
2002 100% 36%
2001 100% 35.8%
2000 100% 35.5%
1999 100% 35.3%
1998 100% 35.1%
1997 100% 34.9%
1996 100% 34.7%
1995 100% 34.5%
1994 100% 34.3%
1993 100% 34.1%
1992 100% 33.9%
1991 100% 33.7%
1990 100% 33.5%
1989 100% 33.2%
1988 100% 33%
1987 100% 32.7%
1986 100% 32.4%
1985 100% 32.1%
1984 100% 31.8%
1983 100% 31.4%
1982 100% 31%
1981 100% 30.6%
1980 100% 30.2%
1979 100% 29.8%
1978 100% 29.3%
1977 100% 28.8%
1976 100% 28.3%
1975 100% 27.8%
1974 100% 27.2%
1973 100% 26.6%
1972 100% 25.9%
1971 100% 25.2%
1970 100% 24.4%
1969 100% 23.5%
1968 100% 22.7%
1967 100% 21.9%
1966 100% 21.1%
1965 100% 20.3%
1964 100% 19.7%
1963 100% 19%
1962 100% 18.5%
1961 100% 18%
1960 100% 17.4%

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

GeoRank.org/population-density/monaco/sierra-leone | CC BY

From 2004 to 2024, the share of urban population changed from 100% to 100% in Monaco and from 36.5% to 45.4% in Sierra Leone.

Densely populated cities

Sierra Leone
City Population
Freetown 951K
Bo 234K
Kenema 188K

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/monaco/sierra-leone | 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 (2013–2024, retrieved 2026-02-08)

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