San Marino has a population density of 1,466 people per square mile compared to 694 people in Trinidad and Tobago. San Marino has 19,388 sq ft of land per person vs 40,339 sq ft in Trinidad and Tobago. San Marino and Trinidad and Tobago rank 16th and 40th by population density, respectively.
Population density is calculated as the ratio of population to land area. San Marino has 0.0004% of the world's population and 0.00004% 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 San Marino 111.3% higher than in Trinidad and Tobago.
Population density by year
people per square mile
| Year | Population density | |
|---|---|---|
San Marino
|
Trinidad
|
|
| 2026 | 1,466 | 694 |
| 2025 | 1,464 | 693 |
| 2024 | 1,467 | 691 |
| 2023 | 1,462 | 690 |
| 2022 | 1,457 | 690 |
| 2021 | 1,479 | 690 |
| 2020 | 1,501 | 690 |
| 2019 | 1,496 | 689 |
| 2018 | 1,490 | 686 |
| 2017 | 1,460 | 685 |
| 2016 | 1,429 | 684 |
| 2015 | 1,420 | 681 |
| 2014 | 1,410 | 679 |
| 2013 | 1,426 | 677 |
| 2012 | 1,445 | 674 |
| 2011 | 1,408 | 670 |
| 2010 | 1,436 | 665 |
| 2009 | 1,427 | 661 |
| 2008 | 1,367 | 661 |
| 2007 | 1,347 | 658 |
| 2006 | 1,303 | 655 |
| 2005 | 1,288 | 654 |
| 2004 | 1,272 | 679 |
| 2003 | 1,202 | 676 |
| 2002 | 1,187 | 672 |
| 2001 | 1,172 | 669 |
| 2000 | 1,157 | 666 |
| 1999 | 1,142 | 664 |
| 1998 | 1,128 | 661 |
| 1997 | 1,114 | 659 |
| 1996 | 1,100 | 657 |
| 1995 | 1,086 | 654 |
| 1994 | 1,072 | 650 |
| 1993 | 1,056 | 646 |
| 1992 | 1,041 | 642 |
| 1991 | 1,027 | 637 |
| 1990 | 1,013 | 632 |
| 1989 | 999 | 627 |
| 1988 | 986 | 621 |
| 1987 | 979 | 615 |
| 1986 | 977 | 607 |
| 1985 | 971 | 599 |
| 1984 | 965 | 592 |
| 1983 | 960 | 586 |
| 1982 | 952 | 580 |
| 1981 | 943 | 573 |
| 1980 | 932 | 566 |
| 1979 | 920 | 559 |
| 1978 | 908 | 552 |
| 1977 | 864 | 545 |
| 1976 | 825 | 538 |
| 1975 | 822 | 532 |
| 1974 | 821 | 525 |
| 1973 | 820 | 519 |
| 1972 | 811 | 512 |
| 1971 | 795 | 506 |
| 1970 | 784 | 501 |
| 1969 | 778 | 495 |
| 1968 | 771 | 489 |
| 1967 | 764 | 483 |
| 1966 | 756 | 476 |
| 1965 | 747 | 469 |
| 1964 | 733 | 461 |
| 1963 | 716 | 453 |
| 1962 | 699 | 444 |
| 1961 | 682 | 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/san-marino/trinidad-and-tobago | CC BY 
From 2006 to 2026, population density in San Marino increased by 12.5%, compared to a 5.9% growth in Trinidad and Tobago.
In 2006, San Marino ranked 12th by population density and is 16th now. Trinidad and Tobago was 34th in 2006 and ranks 40th out of 197 currently.
Population density comparison
|
San Marino
|
Trinidad
|
|
|---|---|---|
| Population density | 1,466 ppl/mi² | 694 ppl/mi² |
| Population density rank | 16/197 | 40/197 |
| Population |
33967
|
1374840
|
| Land area | 23.2 sq mi | 1,981 sq mi |
| Land area per capita | 19,008 sq ft | 40,355 sq ft |
| Rural population | 2.84% | 46% |
| Urban population | 97.2% | 54% |
| Living in agglomerations of 1M+ people | 0% | 0% |
Share of urban population by year
| Year | Urban population | |
|---|---|---|
|
San Marino
|
Trinidad
|
|
| 2024 | 97.2% | 54% |
| 2023 | 97.1% | 54% |
| 2022 | 97.1% | 53.9% |
| 2021 | 97.1% | 53.9% |
| 2020 | 97.1% | 53.9% |
| 2019 | 97.1% | 53.9% |
| 2018 | 97.1% | 53.9% |
| 2017 | 97.1% | 53.9% |
| 2016 | 97.1% | 53.9% |
| 2015 | 97.1% | 53.9% |
| 2014 | 97.1% | 53.9% |
| 2013 | 97.1% | 53.9% |
| 2012 | 97.1% | 53.9% |
| 2011 | 97.1% | 53.9% |
| 2010 | 97.1% | 54.1% |
| 2009 | 96.8% | 54.4% |
| 2008 | 96.4% | 54.7% |
| 2007 | 95.8% | 54.9% |
| 2006 | 95.2% | 55.2% |
| 2005 | 94.6% | 55.4% |
| 2004 | 94.2% | 55.6% |
| 2003 | 94% | 55.7% |
| 2002 | 93.9% | 55.8% |
| 2001 | 93.9% | 55.9% |
| 2000 | 93.8% | 55.9% |
| 1999 | 93.5% | 55.9% |
| 1998 | 93.2% | 55.9% |
| 1997 | 92.9% | 55.8% |
| 1996 | 92.5% | 55.8% |
| 1995 | 92.1% | 55.7% |
| 1994 | 91.7% | 55.6% |
| 1993 | 91.3% | 55.5% |
| 1992 | 90.9% | 55.3% |
| 1991 | 90.7% | 55.2% |
| 1990 | 90.5% | 55% |
| 1989 | 90.4% | 54.8% |
| 1988 | 90.4% | 54.6% |
| 1987 | 90.4% | 54.4% |
| 1986 | 90.2% | 54.1% |
| 1985 | 89.5% | 53.9% |
| 1984 | 88.4% | 53.6% |
| 1983 | 87% | 53.3% |
| 1982 | 85.4% | 53% |
| 1981 | 83.6% | 52.6% |
| 1980 | 81.6% | 52.3% |
| 1979 | 79.5% | 51.8% |
| 1978 | 77.5% | 51% |
| 1977 | 75.5% | 50% |
| 1976 | 73.6% | 48.7% |
| 1975 | 71.4% | 47.3% |
| 1974 | 68.9% | 45.7% |
| 1973 | 66.3% | 44% |
| 1972 | 63.8% | 42.2% |
| 1971 | 61.6% | 40.5% |
| 1970 | 59.8% | 38.8% |
| 1969 | 58.3% | 37% |
| 1968 | 57% | 34.7% |
| 1967 | 55.7% | 32.1% |
| 1966 | 54.5% | 29.3% |
| 1965 | 53.4% | 26.5% |
| 1964 | 52.4% | 23.8% |
| 1963 | 51.4% | 21.5% |
| 1962 | 50.5% | 19.5% |
| 1961 | 49.7% | 18.1% |
| 1960 | 48.9% | 17.5% |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population-density/san-marino/trinidad-and-tobago | CC BY
From 2004 to 2024, the share of urban population changed from 94.2% to 97.2% in San Marino and from 55.6% to 54% in Trinidad and Tobago.
Densely populated cities
|
Trinidad
|
|
|---|---|
| City | Population |
| Chaguanas | 83.5K |
| San Fernando | 55.4K |
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/san-marino/trinidad-and-tobago | CC BY
Help us show the world through your eyes
Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.
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)
Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.