South Korea has a population density of 1,371 people per square mile compared to 51 people in South Sudan. South Korea has 20,861 sq ft of land per person vs 580,697 sq ft in South Sudan. South Korea and South Sudan rank 18th and 171st by population density, respectively.
Population density is calculated as the ratio of population to land area. South Korea has 0.64% of the world's population and 0.07% of all countries' land area, compared to 0.15% of the population and 0.42% of the land area for South Sudan, making the population density in South Korea 2,588% higher than in South Sudan.
Population density by year
people per square mile
| Year | Population density | |
|---|---|---|
South Korea
|
South Sudan
|
|
| 2026 | 1,371 | 51 |
| 2025 | 1,372 | 50 |
| 2024 | 1,373 | 49 |
| 2023 | 1,372 | 47.1 |
| 2022 | 1,371 | 45.2 |
| 2021 | 1,374 | 44.5 |
| 2020 | 1,376 | 43.8 |
| 2019 | 1,374 | 42.7 |
| 2018 | 1,370 | 41.5 |
| 2017 | 1,364 | 42 |
| 2016 | 1,361 | 44.4 |
| 2015 | 1,356 | 45.5 |
| 2014 | 1,349 | 46 |
| 2013 | 1,341 | 45.8 |
| 2012 | 1,336 | 44.1 |
| 2011 | 1,331 | - |
| 2010 | 1,320 | - |
| 2009 | 1,316 | - |
| 2008 | 1,310 | - |
| 2007 | 1,301 | - |
| 2006 | 1,295 | - |
| 2005 | 1,289 | - |
| 2004 | 1,286 | - |
| 2003 | 1,281 | - |
| 2002 | 1,275 | - |
| 2001 | 1,268 | - |
| 2000 | 1,262 | - |
| 1999 | 1,252 | - |
| 1998 | 1,243 | - |
| 1997 | 1,234 | - |
| 1996 | 1,222 | - |
| 1995 | 1,211 | - |
| 1994 | 1,199 | - |
| 1993 | 1,187 | - |
| 1992 | 1,175 | - |
| 1991 | 1,163 | - |
| 1990 | 1,151 | - |
| 1989 | 1,140 | - |
| 1988 | 1,129 | - |
| 1987 | 1,118 | - |
| 1986 | 1,107 | - |
| 1985 | 1,096 | - |
| 1984 | 1,085 | - |
| 1983 | 1,072 | - |
| 1982 | 1,056 | - |
| 1981 | 1,040 | - |
| 1980 | 1,024 | - |
| 1979 | 1,008 | - |
| 1978 | 993 | - |
| 1977 | 978 | - |
| 1976 | 963 | - |
| 1975 | 947 | - |
| 1974 | 932 | - |
| 1973 | 916 | - |
| 1972 | 900 | - |
| 1971 | 883 | - |
| 1970 | 866 | - |
| 1969 | 847 | - |
| 1968 | 828 | - |
| 1967 | 809 | - |
| 1966 | 790 | - |
| 1965 | 771 | - |
| 1964 | 751 | - |
| 1963 | 732 | - |
| 1962 | 712 | - |
| 1961 | 692 | - |
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/south-korea/south-sudan | CC BY 
From 2012 to 2026, population density in South Korea increased by 2.58%, compared to a 15.6% growth in South Sudan.
In 2012, South Korea ranked 13th by population density and is 18th now. South Sudan was 169th in 2012 and ranks 171st out of 197 currently.
Population density comparison
|
South Korea
|
South Sudan
|
|
|---|---|---|
| Population density | 1,371 ppl/mi² | 51 ppl/mi² |
| Population density rank | 18/197 | 171/197 |
| Population |
51649918
|
12507858
|
| Land area | 37,684 sq mi | 243,990 sq mi |
| Land area per capita | 20,300 sq ft | 569,522 sq ft |
| Rural population | 18.8% | 78.6% |
| Urban population | 81.2% | 21.4% |
| Living in agglomerations of 1M+ people | 54.1% | 0% |
Share of urban population by year
| Year | Urban population | |
|---|---|---|
|
South Korea
|
South Sudan
|
|
| 2024 | 81.2% | 21.4% |
| 2023 | 81.2% | 21.1% |
| 2022 | 81.2% | 20.8% |
| 2021 | 81.2% | 20.5% |
| 2020 | 81.2% | 20.2% |
| 2019 | 81.3% | 19.9% |
| 2018 | 81.4% | 19.6% |
| 2017 | 81.5% | 19.3% |
| 2016 | 81.6% | 19.1% |
| 2015 | 81.6% | 18.8% |
| 2014 | 81.7% | 18.5% |
| 2013 | 81.8% | 18.3% |
| 2012 | 81.9% | 18% |
| 2011 | 82% | 17.8% |
| 2010 | 82% | 17.5% |
| 2009 | 81.9% | 17.3% |
| 2008 | 81.8% | 17% |
| 2007 | 81.7% | 17% |
| 2006 | 81.6% | 17% |
| 2005 | 81.4% | 16.9% |
| 2004 | 81.1% | 16.8% |
| 2003 | 80.7% | 16.6% |
| 2002 | 80.3% | 16.4% |
| 2001 | 79.9% | 16.3% |
| 2000 | 79.6% | 16% |
| 1999 | 79.4% | 15.8% |
| 1998 | 79.2% | 15.6% |
| 1997 | 79% | 15.3% |
| 1996 | 78.8% | 15% |
| 1995 | 78.4% | 14.7% |
| 1994 | 77.9% | 14.5% |
| 1993 | 77.1% | 14.2% |
| 1992 | 76.2% | 13.8% |
| 1991 | 75.2% | 13.3% |
| 1990 | 74% | 12.6% |
| 1989 | 72.5% | 11.9% |
| 1988 | 70.6% | 11.2% |
| 1987 | 68.6% | 10.4% |
| 1986 | 66.6% | 9.73% |
| 1985 | 64.8% | 9.15% |
| 1984 | 63.1% | 8.73% |
| 1983 | 61.5% | 8.52% |
| 1982 | 60% | 8.49% |
| 1981 | 58.3% | 8.49% |
| 1980 | 56.7% | 8.49% |
| 1979 | 54.9% | 8.49% |
| 1978 | 53.1% | 8.49% |
| 1977 | 51.3% | 8.49% |
| 1976 | 49.6% | 8.49% |
| 1975 | 48% | 8.5% |
| 1974 | 46.5% | 8.5% |
| 1973 | 45.1% | 8.5% |
| 1972 | 43.8% | 8.51% |
| 1971 | 42.3% | 8.51% |
| 1970 | 40.7% | 8.52% |
| 1969 | 38.7% | 8.53% |
| 1968 | 36.5% | 8.54% |
| 1967 | 34.6% | 8.55% |
| 1966 | 33.1% | 8.56% |
| 1965 | 32% | 8.57% |
| 1964 | 31% | 8.58% |
| 1963 | 30.1% | 8.6% |
| 1962 | 29.2% | 8.62% |
| 1961 | 28.4% | 8.64% |
| 1960 | 27.7% | 8.66% |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population-density/south-korea/south-sudan | CC BY
From 2004 to 2024, the share of urban population changed from 81.1% to 81.2% in South Korea and from 16.8% to 21.4% in South Sudan.
Densely populated cities
|
South Korea
|
|
|---|---|
| City | Population |
| Seoul | 9.67M |
| Busan | 3.45M |
| Incheon | 3.05M |
| Daegu | 2.38M |
| Daejeon | 1.48M |
| Gwangju | 1.41M |
| Suwon | 1.23M |
| Ulsan | 1.13M |
| Yongin | 1.08M |
| Goyang | 1.06M |
|
South Sudan
|
|
|---|---|
| City | Population |
| Juba | 500K |
| Wau | 321K |
| Bor | 315K |
| Malakal | 147K |
| Yambio | 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/south-korea/south-sudan | 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 (2008–2025, retrieved 2026-02-08)
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