Bulgaria has a population density of 151.7 people per square mile compared to 928 people in Sri Lanka. Bulgaria has 185,475 sq ft of land per person vs 32,224 sq ft in Sri Lanka. Bulgaria and Sri Lanka rank 132nd and 25th by population density, respectively.
Population density is calculated as the ratio of population to land area. Bulgaria has 0.08% of the world's population and 0.07% of all countries' land area, compared to 0.27% of the population and 0.04% of the land area for Sri Lanka, making the population density in Bulgaria 83.6% lower than in Sri Lanka.
Population density by year
people per square mile
| Year | Population density | |
|---|---|---|
Bulgaria
|
Sri Lanka
|
|
| 2026 | 151.7 | 928 |
| 2025 | 152.7 | 923 |
| 2024 | 153.7 | 918 |
| 2023 | 153.8 | 923 |
| 2022 | 154.2 | 929 |
| 2021 | 155.2 | 928 |
| 2020 | 156.3 | 918 |
| 2019 | 157.9 | 913 |
| 2018 | 160.1 | 907 |
| 2017 | 162.3 | 898 |
| 2016 | 164.5 | 888 |
| 2015 | 166.6 | 878 |
| 2014 | 168.8 | 858 |
| 2013 | 170.8 | 850 |
| 2012 | 174.3 | 874 |
| 2011 | 175.3 | 868 |
| 2010 | 176.4 | 862 |
| 2009 | 177.6 | 857 |
| 2008 | 178.7 | 852 |
| 2007 | 179.9 | 846 |
| 2006 | 181.2 | 841 |
| 2005 | 182.6 | 835 |
| 2004 | 183.8 | 830 |
| 2003 | 185.1 | 824 |
| 2002 | 186.6 | 818 |
| 2001 | 187.5 | 810 |
| 2000 | 191.3 | 797 |
| 1999 | 192.2 | 782 |
| 1998 | 193.3 | 768 |
| 1997 | 194.6 | 754 |
| 1996 | 195.8 | 739 |
| 1995 | 196.8 | 725 |
| 1994 | 197.7 | 714 |
| 1993 | 198.3 | 703 |
| 1992 | 199.9 | 691 |
| 1991 | 202.1 | 680 |
| 1990 | 204.1 | 675 |
| 1989 | 207.8 | 671 |
| 1988 | 210.3 | 664 |
| 1987 | 210 | 657 |
| 1986 | 209.7 | 650 |
| 1985 | 209.8 | 642 |
| 1984 | 209.8 | 638 |
| 1983 | 209.3 | 636 |
| 1982 | 208.8 | 631 |
| 1981 | 208.2 | 624 |
| 1980 | 207.5 | 613 |
| 1979 | 206.6 | 602 |
| 1978 | 206.3 | 591 |
| 1977 | 206.1 | 580 |
| 1976 | 205 | 570 |
| 1975 | 204.2 | 560 |
| 1974 | 203.2 | 550 |
| 1973 | 201.8 | 539 |
| 1972 | 200.8 | 529 |
| 1971 | 199.8 | 518 |
| 1970 | 198.8 | 507 |
| 1969 | 197.5 | 496 |
| 1968 | 195.9 | 485 |
| 1967 | 194.6 | 473 |
| 1966 | 193.3 | 462 |
| 1965 | 192.1 | 451 |
| 1964 | 190.7 | 440 |
| 1963 | 189.1 | 429 |
| 1962 | 187.6 | 419 |
| 1961 | 186 | 409 |
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/bulgaria/sri-lanka | CC BY 
From 2006 to 2026, population density in Bulgaria decreased by 16.3%, compared to a 10.4% growth in Sri Lanka.
In 2006, Bulgaria ranked 103rd by population density and is 132nd now. Sri Lanka was 25th in 2006 and still ranks 25th out of 197 currently.
Population density comparison
|
Bulgaria
|
Sri Lanka
|
|
|---|---|---|
| Population density | 151.7 ppl/mi² | 928 ppl/mi² |
| Population density rank | 132/197 | 25/197 |
| Population |
6359449
|
22185425
|
| Land area | 41,915 sq mi | 23,884 sq mi |
| Land area per capita | 181,409 sq ft | 30,382 sq ft |
| Rural population | 26.1% | 79.7% |
| Urban population | 73.9% | 20.3% |
| Living in agglomerations of 1M+ people | 19% | 0% |
Share of urban population by year
| Year | Urban population | |
|---|---|---|
|
Bulgaria
|
Sri Lanka
|
|
| 2024 | 73.9% | 20.3% |
| 2023 | 73.7% | 20.1% |
| 2022 | 73.5% | 20% |
| 2021 | 73.3% | 19.8% |
| 2020 | 73.3% | 19.7% |
| 2019 | 73.7% | 19.5% |
| 2018 | 73.6% | 19.3% |
| 2017 | 73.4% | 19.2% |
| 2016 | 73.2% | 19% |
| 2015 | 73.1% | 18.8% |
| 2014 | 73.1% | 18.6% |
| 2013 | 73% | 18.4% |
| 2012 | 72.8% | 18.3% |
| 2011 | 72.6% | 17.8% |
| 2010 | 71.5% | 17.2% |
| 2009 | 71.3% | 16.7% |
| 2008 | 70.9% | 16.3% |
| 2007 | 70.7% | 15.9% |
| 2006 | 70.5% | 15.5% |
| 2005 | 70.1% | 15.2% |
| 2004 | 69.9% | 14.9% |
| 2003 | 69.8% | 14.7% |
| 2002 | 69.5% | 14.6% |
| 2001 | 69.2% | 14.6% |
| 2000 | 68.3% | 14.6% |
| 1999 | 68% | 14.7% |
| 1998 | 67.9% | 14.9% |
| 1997 | 67.7% | 15.2% |
| 1996 | 67.7% | 15.5% |
| 1995 | 67.8% | 15.9% |
| 1994 | 67.7% | 16.3% |
| 1993 | 67.4% | 16.7% |
| 1992 | 67.2% | 17.1% |
| 1991 | 67.1% | 17.6% |
| 1990 | 67% | 18.1% |
| 1989 | 67.3% | 18.6% |
| 1988 | 66.7% | 19% |
| 1987 | 66% | 19.5% |
| 1986 | 65.3% | 19.9% |
| 1985 | 65% | 20.3% |
| 1984 | 65.6% | 20.7% |
| 1983 | 64.6% | 21% |
| 1982 | 63.9% | 21.3% |
| 1981 | 63% | 21.5% |
| 1980 | 62.1% | 21.6% |
| 1979 | 61.5% | 21.8% |
| 1978 | 60.5% | 21.9% |
| 1977 | 59.4% | 22% |
| 1976 | 58.5% | 22.1% |
| 1975 | 58% | 22.2% |
| 1974 | 58.1% | 22.3% |
| 1973 | 56.3% | 22.4% |
| 1972 | 55.2% | 22.4% |
| 1971 | 53.8% | 22.4% |
| 1970 | 52.3% | 22.3% |
| 1969 | 50.6% | 22% |
| 1968 | 49% | 21.5% |
| 1967 | 48% | 21% |
| 1966 | 47% | 20.4% |
| 1965 | 45.7% | 19.8% |
| 1964 | 43% | 19.3% |
| 1963 | 40.3% | 18.9% |
| 1962 | 39.3% | 18.5% |
| 1961 | 38.4% | 18% |
| 1960 | 37.1% | 17.6% |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population-density/bulgaria/sri-lanka | CC BY
From 2004 to 2024, the share of urban population changed from 69.9% to 73.9% in Bulgaria and from 14.9% to 20.3% in Sri Lanka.
Densely populated cities
|
Bulgaria
|
|
|---|---|
| City | Population |
| Sofia | 1.21M |
| Plovdiv | 329K |
| Varna | 319K |
| Burgas | 189K |
| Stara Zagora | 121K |
| Ruse | 121K |
| Pleven | 88.6K |
| Sliven | 78.2K |
| Dobrich | 69.4K |
| Shumen | 66.6K |
|
Sri Lanka
|
|
|---|---|
| City | Population |
| Colombo | 648K |
| Gampaha | 191K |
| Beruwala | 165K |
| Negombo | 142K |
| Kandy | 120K |
| Sri Jayawardenepura Kotte | 116K |
| Trincomalee | 99.1K |
| Galle | 93.1K |
| Matara | 68.2K |
| Anuradhapura | 63.2K |
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/bulgaria/sri-lanka | 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)
- Wikidata (2001–2025, retrieved 2026-02-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
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