Iran has a population density of 148.9 people per square mile compared to 694 people in Trinidad and Tobago. Iran has 193,748 sq ft of land per person vs 40,339 sq ft in Trinidad and Tobago. Iran and Trinidad and Tobago rank 134th and 40th by population density, respectively.
Population density is calculated as the ratio of population to land area. Iran has 1.13% of the world's population and 1.09% 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 Iran 78.5% lower than in Trinidad and Tobago.
Population density by year
people per square mile
| Year | Population density | |
|---|---|---|
Iran
|
Trinidad
|
|
| 2026 | 148.9 | 694 |
| 2025 | 147.6 | 693 |
| 2024 | 146.2 | 691 |
| 2023 | 144.6 | 690 |
| 2022 | 142.9 | 690 |
| 2021 | 141.2 | 690 |
| 2020 | 140 | 690 |
| 2019 | 139 | 689 |
| 2018 | 137.5 | 686 |
| 2017 | 135.7 | 685 |
| 2016 | 133.3 | 684 |
| 2015 | 131.4 | 681 |
| 2014 | 129.6 | 679 |
| 2013 | 127.9 | 677 |
| 2012 | 126.2 | 674 |
| 2011 | 124.6 | 670 |
| 2010 | 123.1 | 665 |
| 2009 | 121.6 | 661 |
| 2008 | 120.1 | 661 |
| 2007 | 118.6 | 658 |
| 2006 | 116.7 | 655 |
| 2005 | 114.2 | 654 |
| 2004 | 111.7 | 679 |
| 2003 | 109.4 | 676 |
| 2002 | 108.1 | 672 |
| 2001 | 107.3 | 669 |
| 2000 | 105.6 | 666 |
| 1999 | 104.1 | 664 |
| 1998 | 102.6 | 661 |
| 1997 | 101.2 | 659 |
| 1996 | 100 | 657 |
| 1995 | 98.9 | 654 |
| 1994 | 97.8 | 650 |
| 1993 | 97.6 | 646 |
| 1992 | 97.3 | 642 |
| 1991 | 95.4 | 637 |
| 1990 | 92.8 | 632 |
| 1989 | 90.2 | 627 |
| 1988 | 87.6 | 621 |
| 1987 | 84.8 | 615 |
| 1986 | 81.8 | 607 |
| 1985 | 78.8 | 599 |
| 1984 | 76 | 592 |
| 1983 | 73.2 | 586 |
| 1982 | 70.4 | 580 |
| 1981 | 66.8 | 573 |
| 1980 | 63.4 | 566 |
| 1979 | 61.1 | 559 |
| 1978 | 59 | 552 |
| 1977 | 57.1 | 545 |
| 1976 | 55.4 | 538 |
| 1975 | 53.8 | 532 |
| 1974 | 52.2 | 525 |
| 1973 | 50.6 | 519 |
| 1972 | 49.2 | 512 |
| 1971 | 47.8 | 506 |
| 1970 | 46.3 | 501 |
| 1969 | 45 | 495 |
| 1968 | 43.6 | 489 |
| 1967 | 42.3 | 483 |
| 1966 | 41.1 | 476 |
| 1965 | 39.8 | 469 |
| 1964 | 38.6 | 461 |
| 1963 | 37.4 | 453 |
| 1962 | 36.3 | 444 |
| 1961 | 35.2 | 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/iran/trinidad-and-tobago | CC BY 
From 2006 to 2026, population density in Iran increased by 27.6%, compared to a 5.9% growth in Trinidad and Tobago.
In 2006, Iran ranked 130th by population density and is 134th now. Trinidad and Tobago was 34th in 2006 and ranks 40th out of 197 currently.
Population density comparison
|
Iran
|
Trinidad
|
|
|---|---|---|
| Population density | 148.9 ppl/mi² | 694 ppl/mi² |
| Population density rank | 134/197 | 40/197 |
| Population |
93468444
|
1374840
|
| Land area | 626,451 sq mi | 1,981 sq mi |
| Land area per capita | 190,727 sq ft | 40,355 sq ft |
| Rural population | 23% | 46% |
| Urban population | 77% | 54% |
| Living in agglomerations of 1M+ people | 22.2% | 0% |
Share of urban population by year
| Year | Urban population | |
|---|---|---|
|
Iran
|
Trinidad
|
|
| 2024 | 77% | 54% |
| 2023 | 76.7% | 54% |
| 2022 | 76.3% | 53.9% |
| 2021 | 76% | 53.9% |
| 2020 | 75.6% | 53.9% |
| 2019 | 75.2% | 53.9% |
| 2018 | 74.8% | 53.9% |
| 2017 | 74.4% | 53.9% |
| 2016 | 73.9% | 53.9% |
| 2015 | 73.4% | 53.9% |
| 2014 | 72.8% | 53.9% |
| 2013 | 72.3% | 53.9% |
| 2012 | 71.8% | 53.9% |
| 2011 | 71.2% | 53.9% |
| 2010 | 70.6% | 54.1% |
| 2009 | 70% | 54.4% |
| 2008 | 69.4% | 54.7% |
| 2007 | 68.8% | 54.9% |
| 2006 | 68.3% | 55.2% |
| 2005 | 67.9% | 55.4% |
| 2004 | 67.3% | 55.6% |
| 2003 | 66.6% | 55.7% |
| 2002 | 65.9% | 55.8% |
| 2001 | 65.2% | 55.9% |
| 2000 | 64.5% | 55.9% |
| 1999 | 63.7% | 55.9% |
| 1998 | 62.9% | 55.9% |
| 1997 | 62.1% | 55.8% |
| 1996 | 61.1% | 55.8% |
| 1995 | 60.4% | 55.7% |
| 1994 | 59.6% | 55.6% |
| 1993 | 58.7% | 55.5% |
| 1992 | 57.9% | 55.3% |
| 1991 | 56.9% | 55.2% |
| 1990 | 56.5% | 55% |
| 1989 | 55.9% | 54.8% |
| 1988 | 55.4% | 54.6% |
| 1987 | 54.8% | 54.4% |
| 1986 | 54.2% | 54.1% |
| 1985 | 53.6% | 53.9% |
| 1984 | 52.8% | 53.6% |
| 1983 | 52.1% | 53.3% |
| 1982 | 51.4% | 53% |
| 1981 | 50.7% | 52.6% |
| 1980 | 49.9% | 52.3% |
| 1979 | 49.2% | 51.8% |
| 1978 | 48.5% | 51% |
| 1977 | 47.8% | 50% |
| 1976 | 46.8% | 48.7% |
| 1975 | 46.1% | 47.3% |
| 1974 | 45.2% | 45.7% |
| 1973 | 44.3% | 44% |
| 1972 | 43.3% | 42.2% |
| 1971 | 42.4% | 40.5% |
| 1970 | 41.5% | 38.8% |
| 1969 | 40.6% | 37% |
| 1968 | 39.7% | 34.7% |
| 1967 | 38.9% | 32.1% |
| 1966 | 37.7% | 29.3% |
| 1965 | 37.1% | 26.5% |
| 1964 | 36.6% | 23.8% |
| 1963 | 35.9% | 21.5% |
| 1962 | 35.3% | 19.5% |
| 1961 | 34.6% | 18.1% |
| 1960 | 34% | 17.5% |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population-density/iran/trinidad-and-tobago | CC BY
From 2004 to 2024, the share of urban population changed from 67.3% to 77% in Iran 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/iran/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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