Bulgaria has a population density of 151.7 people per square mile compared to 694 people in Trinidad and Tobago. Bulgaria has 185,475 sq ft of land per person vs 40,339 sq ft in Trinidad and Tobago. Bulgaria and Trinidad and Tobago rank 132nd and 40th 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 0.02% of the population and 0.003% of the land area for Trinidad and Tobago, making the population density in Bulgaria 78.1% lower than in Trinidad and Tobago.
Population density by year
people per square mile
| Year | Population density | |
|---|---|---|
Bulgaria
|
Trinidad
|
|
| 2026 | 151.7 | 694 |
| 2025 | 152.7 | 693 |
| 2024 | 153.7 | 691 |
| 2023 | 153.8 | 690 |
| 2022 | 154.2 | 690 |
| 2021 | 155.2 | 690 |
| 2020 | 156.3 | 690 |
| 2019 | 157.9 | 689 |
| 2018 | 160.1 | 686 |
| 2017 | 162.3 | 685 |
| 2016 | 164.5 | 684 |
| 2015 | 166.6 | 681 |
| 2014 | 168.8 | 679 |
| 2013 | 170.8 | 677 |
| 2012 | 174.3 | 674 |
| 2011 | 175.3 | 670 |
| 2010 | 176.4 | 665 |
| 2009 | 177.6 | 661 |
| 2008 | 178.7 | 661 |
| 2007 | 179.9 | 658 |
| 2006 | 181.2 | 655 |
| 2005 | 182.6 | 654 |
| 2004 | 183.8 | 679 |
| 2003 | 185.1 | 676 |
| 2002 | 186.6 | 672 |
| 2001 | 187.5 | 669 |
| 2000 | 191.3 | 666 |
| 1999 | 192.2 | 664 |
| 1998 | 193.3 | 661 |
| 1997 | 194.6 | 659 |
| 1996 | 195.8 | 657 |
| 1995 | 196.8 | 654 |
| 1994 | 197.7 | 650 |
| 1993 | 198.3 | 646 |
| 1992 | 199.9 | 642 |
| 1991 | 202.1 | 637 |
| 1990 | 204.1 | 632 |
| 1989 | 207.8 | 627 |
| 1988 | 210.3 | 621 |
| 1987 | 210 | 615 |
| 1986 | 209.7 | 607 |
| 1985 | 209.8 | 599 |
| 1984 | 209.8 | 592 |
| 1983 | 209.3 | 586 |
| 1982 | 208.8 | 580 |
| 1981 | 208.2 | 573 |
| 1980 | 207.5 | 566 |
| 1979 | 206.6 | 559 |
| 1978 | 206.3 | 552 |
| 1977 | 206.1 | 545 |
| 1976 | 205 | 538 |
| 1975 | 204.2 | 532 |
| 1974 | 203.2 | 525 |
| 1973 | 201.8 | 519 |
| 1972 | 200.8 | 512 |
| 1971 | 199.8 | 506 |
| 1970 | 198.8 | 501 |
| 1969 | 197.5 | 495 |
| 1968 | 195.9 | 489 |
| 1967 | 194.6 | 483 |
| 1966 | 193.3 | 476 |
| 1965 | 192.1 | 469 |
| 1964 | 190.7 | 461 |
| 1963 | 189.1 | 453 |
| 1962 | 187.6 | 444 |
| 1961 | 186 | 436 |
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/trinidad-and-tobago | CC BY 
From 2006 to 2026, population density in Bulgaria decreased by 16.3%, compared to a 5.9% growth in Trinidad and Tobago.
In 2006, Bulgaria ranked 103rd by population density and is 132nd now. Trinidad and Tobago was 34th in 2006 and ranks 40th out of 197 currently.
Population density comparison
|
Bulgaria
|
Trinidad
|
|
|---|---|---|
| Population density | 151.7 ppl/mi² | 694 ppl/mi² |
| Population density rank | 132/197 | 40/197 |
| Population |
6359449
|
1374840
|
| Land area | 41,915 sq mi | 1,981 sq mi |
| Land area per capita | 181,409 sq ft | 40,355 sq ft |
| Rural population | 26.1% | 46% |
| Urban population | 73.9% | 54% |
| Living in agglomerations of 1M+ people | 19% | 0% |
Share of urban population by year
| Year | Urban population | |
|---|---|---|
|
Bulgaria
|
Trinidad
|
|
| 2024 | 73.9% | 54% |
| 2023 | 73.7% | 54% |
| 2022 | 73.5% | 53.9% |
| 2021 | 73.3% | 53.9% |
| 2020 | 73.3% | 53.9% |
| 2019 | 73.7% | 53.9% |
| 2018 | 73.6% | 53.9% |
| 2017 | 73.4% | 53.9% |
| 2016 | 73.2% | 53.9% |
| 2015 | 73.1% | 53.9% |
| 2014 | 73.1% | 53.9% |
| 2013 | 73% | 53.9% |
| 2012 | 72.8% | 53.9% |
| 2011 | 72.6% | 53.9% |
| 2010 | 71.5% | 54.1% |
| 2009 | 71.3% | 54.4% |
| 2008 | 70.9% | 54.7% |
| 2007 | 70.7% | 54.9% |
| 2006 | 70.5% | 55.2% |
| 2005 | 70.1% | 55.4% |
| 2004 | 69.9% | 55.6% |
| 2003 | 69.8% | 55.7% |
| 2002 | 69.5% | 55.8% |
| 2001 | 69.2% | 55.9% |
| 2000 | 68.3% | 55.9% |
| 1999 | 68% | 55.9% |
| 1998 | 67.9% | 55.9% |
| 1997 | 67.7% | 55.8% |
| 1996 | 67.7% | 55.8% |
| 1995 | 67.8% | 55.7% |
| 1994 | 67.7% | 55.6% |
| 1993 | 67.4% | 55.5% |
| 1992 | 67.2% | 55.3% |
| 1991 | 67.1% | 55.2% |
| 1990 | 67% | 55% |
| 1989 | 67.3% | 54.8% |
| 1988 | 66.7% | 54.6% |
| 1987 | 66% | 54.4% |
| 1986 | 65.3% | 54.1% |
| 1985 | 65% | 53.9% |
| 1984 | 65.6% | 53.6% |
| 1983 | 64.6% | 53.3% |
| 1982 | 63.9% | 53% |
| 1981 | 63% | 52.6% |
| 1980 | 62.1% | 52.3% |
| 1979 | 61.5% | 51.8% |
| 1978 | 60.5% | 51% |
| 1977 | 59.4% | 50% |
| 1976 | 58.5% | 48.7% |
| 1975 | 58% | 47.3% |
| 1974 | 58.1% | 45.7% |
| 1973 | 56.3% | 44% |
| 1972 | 55.2% | 42.2% |
| 1971 | 53.8% | 40.5% |
| 1970 | 52.3% | 38.8% |
| 1969 | 50.6% | 37% |
| 1968 | 49% | 34.7% |
| 1967 | 48% | 32.1% |
| 1966 | 47% | 29.3% |
| 1965 | 45.7% | 26.5% |
| 1964 | 43% | 23.8% |
| 1963 | 40.3% | 21.5% |
| 1962 | 39.3% | 19.5% |
| 1961 | 38.4% | 18.1% |
| 1960 | 37.1% | 17.5% |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population-density/bulgaria/trinidad-and-tobago | CC BY
From 2004 to 2024, the share of urban population changed from 69.9% to 73.9% in Bulgaria and from 55.6% to 54% in Trinidad and Tobago.
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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/bulgaria/trinidad-and-tobago | 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 (2000–2024, retrieved 2026-02-08)
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