The Congo has a population density of 50.4 people per square mile compared to 148.9 people in Iran. The Congo has 581,285 sq ft of land per person vs 193,748 sq ft in Iran. The Congo and Iran rank 172nd and 134th 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 1.13% of the population and 1.09% of the land area for Iran, making the population density in the Congo 66.2% lower than in Iran.
Population density by year
people per square mile
| Year | Population density | |
|---|---|---|
Congo
|
Iran
|
|
| 2026 | 50.4 | 148.9 |
| 2025 | 49.2 | 147.6 |
| 2024 | 48 | 146.2 |
| 2023 | 46.9 | 144.6 |
| 2022 | 45.8 | 142.9 |
| 2021 | 44.7 | 141.2 |
| 2020 | 43.6 | 140 |
| 2019 | 42.6 | 139 |
| 2018 | 41.6 | 137.5 |
| 2017 | 40.6 | 135.7 |
| 2016 | 39.6 | 133.3 |
| 2015 | 38.7 | 131.4 |
| 2014 | 37.7 | 129.6 |
| 2013 | 36.8 | 127.9 |
| 2012 | 36 | 126.2 |
| 2011 | 35 | 124.6 |
| 2010 | 33.8 | 123.1 |
| 2009 | 32.5 | 121.6 |
| 2008 | 31.2 | 120.1 |
| 2007 | 30.2 | 118.6 |
| 2006 | 29.1 | 116.7 |
| 2005 | 28 | 114.2 |
| 2004 | 27 | 111.7 |
| 2003 | 26.1 | 109.4 |
| 2002 | 25.4 | 108.1 |
| 2001 | 24.8 | 107.3 |
| 2000 | 23.9 | 105.6 |
| 1999 | 23 | 104.1 |
| 1998 | 22.4 | 102.6 |
| 1997 | 21.9 | 101.2 |
| 1996 | 21.4 | 100 |
| 1995 | 20.9 | 98.9 |
| 1994 | 20.3 | 97.8 |
| 1993 | 19.7 | 97.6 |
| 1992 | 19.1 | 97.3 |
| 1991 | 18.6 | 95.4 |
| 1990 | 18.1 | 92.8 |
| 1989 | 17.5 | 90.2 |
| 1988 | 17 | 87.6 |
| 1987 | 16.6 | 84.8 |
| 1986 | 16.1 | 81.8 |
| 1985 | 15.6 | 78.8 |
| 1984 | 15.2 | 76 |
| 1983 | 14.8 | 73.2 |
| 1982 | 14.5 | 70.4 |
| 1981 | 14.2 | 66.8 |
| 1980 | 13.9 | 63.4 |
| 1979 | 13.6 | 61.1 |
| 1978 | 13.3 | 59 |
| 1977 | 13 | 57.1 |
| 1976 | 12.6 | 55.4 |
| 1975 | 12.3 | 53.8 |
| 1974 | 12 | 52.2 |
| 1973 | 11.6 | 50.6 |
| 1972 | 11.3 | 49.2 |
| 1971 | 10.9 | 47.8 |
| 1970 | 10.6 | 46.3 |
| 1969 | 10.3 | 45 |
| 1968 | 9.98 | 43.6 |
| 1967 | 9.7 | 42.3 |
| 1966 | 9.42 | 41.1 |
| 1965 | 9.16 | 39.8 |
| 1964 | 8.91 | 38.6 |
| 1963 | 8.67 | 37.4 |
| 1962 | 8.44 | 36.3 |
| 1961 | 8.22 | 35.2 |
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/congo/iran | CC BY 
From 2006 to 2026, population density in the Congo increased by 73%, compared to a 27.6% growth in Iran.
In 2006, the Congo ranked 175th by population density and is 172nd now. Iran was 130th in 2006 and ranks 134th out of 197 currently.
Population density comparison
|
Congo
|
Iran
|
|
|---|---|---|
| Population density | 50.4 ppl/mi² | 148.9 ppl/mi² |
| Population density rank | 172/197 | 134/197 |
| Population |
6681829
|
93468444
|
| Land area | 131,854 sq mi | 626,451 sq mi |
| Land area per capita | 580,436 sq ft | 190,727 sq ft |
| Rural population | 36.1% | 23% |
| Urban population | 63.9% | 77% |
| Living in agglomerations of 1M+ people | 53.4% | 22.2% |
Share of urban population by year
| Year | Urban population | |
|---|---|---|
|
Congo
|
Iran
|
|
| 2024 | 63.9% | 77% |
| 2023 | 63.7% | 76.7% |
| 2022 | 63.6% | 76.3% |
| 2021 | 63.6% | 76% |
| 2020 | 63.6% | 75.6% |
| 2019 | 63.5% | 75.2% |
| 2018 | 63.4% | 74.8% |
| 2017 | 63.4% | 74.4% |
| 2016 | 63.3% | 73.9% |
| 2015 | 63.1% | 73.4% |
| 2014 | 63% | 72.8% |
| 2013 | 62.9% | 72.3% |
| 2012 | 62.7% | 71.8% |
| 2011 | 62.6% | 71.2% |
| 2010 | 62.4% | 70.6% |
| 2009 | 62.2% | 70% |
| 2008 | 62% | 69.4% |
| 2007 | 61.9% | 68.8% |
| 2006 | 61.6% | 68.3% |
| 2005 | 61.3% | 67.9% |
| 2004 | 60.9% | 67.3% |
| 2003 | 60.5% | 66.6% |
| 2002 | 60% | 65.9% |
| 2001 | 59.4% | 65.2% |
| 2000 | 58.9% | 64.5% |
| 1999 | 58.3% | 63.7% |
| 1998 | 57.8% | 62.9% |
| 1997 | 57.3% | 62.1% |
| 1996 | 56.8% | 61.1% |
| 1995 | 56.4% | 60.4% |
| 1994 | 56% | 59.6% |
| 1993 | 55.6% | 58.7% |
| 1992 | 55.3% | 57.9% |
| 1991 | 54.9% | 56.9% |
| 1990 | 54.6% | 56.5% |
| 1989 | 54.2% | 55.9% |
| 1988 | 53.8% | 55.4% |
| 1987 | 53.4% | 54.8% |
| 1986 | 52.9% | 54.2% |
| 1985 | 52.3% | 53.6% |
| 1984 | 51.6% | 52.8% |
| 1983 | 50.7% | 52.1% |
| 1982 | 49.6% | 51.4% |
| 1981 | 48.2% | 50.7% |
| 1980 | 46.8% | 49.9% |
| 1979 | 45.3% | 49.2% |
| 1978 | 43.8% | 48.5% |
| 1977 | 42.4% | 47.8% |
| 1976 | 41.2% | 46.8% |
| 1975 | 40.2% | 46.1% |
| 1974 | 39.6% | 45.2% |
| 1973 | 39.2% | 44.3% |
| 1972 | 38.9% | 43.3% |
| 1971 | 38.6% | 42.4% |
| 1970 | 38.3% | 41.5% |
| 1969 | 38.1% | 40.6% |
| 1968 | 37.8% | 39.7% |
| 1967 | 37.6% | 38.9% |
| 1966 | 37.4% | 37.7% |
| 1965 | 37.3% | 37.1% |
| 1964 | 37.2% | 36.6% |
| 1963 | 37.1% | 35.9% |
| 1962 | 37% | 35.3% |
| 1961 | 37% | 34.6% |
| 1960 | 36.7% | 34% |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population-density/congo/iran | CC BY
From 2004 to 2024, the share of urban population changed from 60.9% to 63.9% in the Congo and from 67.3% to 77% in Iran.
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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/iran | 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 (2016–2024, retrieved 2026-02-08)
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