Sri Lanka has a population density of 928 people per square mile compared to 372 people in Tonga. Sri Lanka has 32,224 sq ft of land per person vs 77,340 sq ft in Tonga. Sri Lanka and Tonga rank 25th and 69th by population density, respectively.
Population density is calculated as the ratio of population to land area. Sri Lanka has 0.27% of the world's population and 0.04% of all countries' land area, compared to 0.001% of the population and 0.0005% of the land area for Tonga, making the population density in Sri Lanka 149.6% higher than in Tonga.
Population density by year
people per square mile
| Year | Population density | |
|---|---|---|
Sri Lanka
|
Tonga
|
|
| 2026 | 928 | 372 |
| 2025 | 923 | 373 |
| 2024 | 918 | 375 |
| 2023 | 923 | 376 |
| 2022 | 929 | 378 |
| 2021 | 928 | 379 |
| 2020 | 918 | 380 |
| 2019 | 913 | 380 |
| 2018 | 907 | 380 |
| 2017 | 898 | 379 |
| 2016 | 888 | 380 |
| 2015 | 878 | 382 |
| 2014 | 858 | 383 |
| 2013 | 850 | 385 |
| 2012 | 874 | 387 |
| 2011 | 868 | 387 |
| 2010 | 862 | 386 |
| 2009 | 857 | 386 |
| 2008 | 852 | 385 |
| 2007 | 846 | 384 |
| 2006 | 841 | 382 |
| 2005 | 835 | 380 |
| 2004 | 830 | 378 |
| 2003 | 824 | 376 |
| 2002 | 818 | 374 |
| 2001 | 810 | 372 |
| 2000 | 797 | 369 |
| 1999 | 782 | 367 |
| 1998 | 768 | 365 |
| 1997 | 754 | 362 |
| 1996 | 739 | 361 |
| 1995 | 725 | 361 |
| 1994 | 714 | 360 |
| 1993 | 703 | 360 |
| 1992 | 691 | 360 |
| 1991 | 680 | 359 |
| 1990 | 675 | 359 |
| 1989 | 671 | 358 |
| 1988 | 664 | 356 |
| 1987 | 657 | 354 |
| 1986 | 650 | 353 |
| 1985 | 642 | 352 |
| 1984 | 638 | 352 |
| 1983 | 636 | 353 |
| 1982 | 631 | 352 |
| 1981 | 624 | 352 |
| 1980 | 613 | 352 |
| 1979 | 602 | 351 |
| 1978 | 591 | 350 |
| 1977 | 580 | 348 |
| 1976 | 570 | 343 |
| 1975 | 560 | 335 |
| 1974 | 550 | 326 |
| 1973 | 539 | 319 |
| 1972 | 529 | 314 |
| 1971 | 518 | 309 |
| 1970 | 507 | 304 |
| 1969 | 496 | 298.2 |
| 1968 | 485 | 292.6 |
| 1967 | 473 | 287.1 |
| 1966 | 462 | 280.6 |
| 1965 | 451 | 273.1 |
| 1964 | 440 | 265.8 |
| 1963 | 429 | 258.6 |
| 1962 | 419 | 251.6 |
| 1961 | 409 | 244.7 |
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/sri-lanka/tonga | CC BY 
From 2006 to 2026, population density in Sri Lanka increased by 10.4%, compared to a 2.77% decline in Tonga.
In 2006, Sri Lanka ranked 25th by population density and is 25th still. Tonga was 54th in 2006 and ranks 69th out of 197 currently.
Population density comparison
|
Sri Lanka
|
Tonga
|
|
|---|---|---|
| Population density | 928 ppl/mi² | 372 ppl/mi² |
| Population density rank | 25/197 | 69/197 |
| Population |
22185425
|
103309
|
| Land area | 23,884 sq mi | 278 sq mi |
| Land area per capita | 30,382 sq ft | 74,394 sq ft |
| Rural population | 79.7% | 78.8% |
| Urban population | 20.3% | 21.2% |
| Living in agglomerations of 1M+ people | 0% | 0% |
Share of urban population by year
| Year | Urban population | |
|---|---|---|
|
Sri Lanka
|
Tonga
|
|
| 2024 | 20.3% | 21.2% |
| 2023 | 20.1% | 21.1% |
| 2022 | 20% | 21.1% |
| 2021 | 19.8% | 21.3% |
| 2020 | 19.7% | 21.9% |
| 2019 | 19.5% | 22.3% |
| 2018 | 19.3% | 22.7% |
| 2017 | 19.2% | 23% |
| 2016 | 19% | 23.1% |
| 2015 | 18.8% | 23.2% |
| 2014 | 18.6% | 23.3% |
| 2013 | 18.4% | 23.4% |
| 2012 | 18.3% | 23.5% |
| 2011 | 17.8% | 23.5% |
| 2010 | 17.2% | 23.4% |
| 2009 | 16.7% | 23.4% |
| 2008 | 16.3% | 23.3% |
| 2007 | 15.9% | 23.2% |
| 2006 | 15.5% | 23.2% |
| 2005 | 15.2% | 23.1% |
| 2004 | 14.9% | 23.1% |
| 2003 | 14.7% | 23.1% |
| 2002 | 14.6% | 23.1% |
| 2001 | 14.6% | 23% |
| 2000 | 14.6% | 23% |
| 1999 | 14.7% | 23% |
| 1998 | 14.9% | 23% |
| 1997 | 15.2% | 22.9% |
| 1996 | 15.5% | 22.9% |
| 1995 | 15.9% | 22.8% |
| 1994 | 16.3% | 22.7% |
| 1993 | 16.7% | 22.6% |
| 1992 | 17.1% | 22.5% |
| 1991 | 17.6% | 22.4% |
| 1990 | 18.1% | 22.2% |
| 1989 | 18.6% | 22% |
| 1988 | 19% | 21.9% |
| 1987 | 19.5% | 21.7% |
| 1986 | 19.9% | 21.5% |
| 1985 | 20.3% | 21.4% |
| 1984 | 20.7% | 21.2% |
| 1983 | 21% | 21% |
| 1982 | 21.3% | 20.9% |
| 1981 | 21.5% | 20.7% |
| 1980 | 21.6% | 20.6% |
| 1979 | 21.8% | 20.5% |
| 1978 | 21.9% | 20.4% |
| 1977 | 22% | 20.4% |
| 1976 | 22.1% | 20.3% |
| 1975 | 22.2% | 20.3% |
| 1974 | 22.3% | 20.3% |
| 1973 | 22.4% | 20.2% |
| 1972 | 22.4% | 20.2% |
| 1971 | 22.4% | 20.2% |
| 1970 | 22.3% | 20.2% |
| 1969 | 22% | 20.2% |
| 1968 | 21.5% | 20.1% |
| 1967 | 21% | 20.1% |
| 1966 | 20.4% | 20% |
| 1965 | 19.8% | 19.9% |
| 1964 | 19.3% | 19.7% |
| 1963 | 18.9% | 19.4% |
| 1962 | 18.5% | 19.1% |
| 1961 | 18% | 18.7% |
| 1960 | 17.6% | 18.3% |
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population-density/sri-lanka/tonga | CC BY
From 2004 to 2024, the share of urban population changed from 14.9% to 20.3% in Sri Lanka and from 23.1% to 21.2% in Tonga.
Densely populated cities
|
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/sri-lanka/tonga | 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 (2001–2025, retrieved 2026-02-08)
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