The latest officially reported population of Saint Lucia was 180,149 in 2025 vs 103,742 people in Tonga in 2025. In 2026, based on the adjusted UN estimation, the current Saint Lucia's population is 180,676 people compared to 103,283 in Tonga.
Population statistics:
- Saint Lucia's population is 1.75 times bigger than Tonga's.
- Saint Lucia is ranked the 178th most populous country in the world, while Tonga is the 183rd.
- The countries together account for 0.003% of the world: 0.002% for Saint Lucia vs 0.001% for Tonga.
- For the last 10 years, Saint Lucia has had an average growth rate of +0.31% per year vs -0.25% in Tonga.
- Since 2006, the population of Saint Lucia has increased from 167K people to 181K (8.42% growth), while Tonga has declined from 106K to 103K (2.8% decline).
Saint Lucia vs Tonga: population by year and forecast
| Year | Population | |
|---|---|---|
Saint Lucia
|
Tonga
|
|
| 2100 | 108,837 | 117,617 |
| 2099 | 109,902 | 117,585 |
| 2098 | 110,987 | 117,530 |
| 2097 | 112,079 | 117,492 |
| 2096 | 113,197 | 117,461 |
| 2095 | 114,352 | 117,383 |
| 2094 | 115,520 | 117,290 |
| 2093 | 116,712 | 117,207 |
| 2092 | 117,943 | 117,097 |
| 2091 | 119,217 | 116,983 |
| 2090 | 120,487 | 116,838 |
| 2089 | 121,795 | 116,682 |
| 2088 | 123,153 | 116,481 |
| 2087 | 124,518 | 116,277 |
| 2086 | 125,900 | 116,088 |
| 2085 | 127,292 | 115,872 |
| 2084 | 128,725 | 115,628 |
| 2083 | 130,153 | 115,336 |
| 2082 | 131,599 | 115,041 |
| 2081 | 133,075 | 114,752 |
| 2080 | 134,563 | 114,424 |
| 2079 | 136,058 | 114,074 |
| 2078 | 137,536 | 113,710 |
| 2077 | 139,033 | 113,349 |
| 2076 | 140,538 | 112,945 |
| 2075 | 142,015 | 112,565 |
| 2074 | 143,519 | 112,179 |
| 2073 | 144,999 | 111,790 |
| 2072 | 146,447 | 111,377 |
| 2071 | 147,876 | 110,963 |
| 2070 | 149,289 | 110,576 |
| 2069 | 150,694 | 110,209 |
| 2068 | 152,083 | 109,825 |
| 2067 | 153,458 | 109,446 |
| 2066 | 154,825 | 109,062 |
| 2065 | 156,135 | 108,736 |
| 2064 | 157,438 | 108,377 |
| 2063 | 158,683 | 108,033 |
| 2062 | 159,905 | 107,710 |
| 2061 | 161,106 | 107,396 |
| 2060 | 162,327 | 107,117 |
| 2059 | 163,483 | 106,842 |
| 2058 | 164,600 | 106,589 |
| 2057 | 165,696 | 106,345 |
| 2056 | 166,752 | 106,130 |
| 2055 | 167,809 | 105,915 |
| 2054 | 168,844 | 105,698 |
| 2053 | 169,865 | 105,486 |
| 2052 | 170,854 | 105,286 |
| 2051 | 171,791 | 105,079 |
| 2050 | 172,723 | 104,844 |
| 2049 | 173,613 | 104,636 |
| 2048 | 174,493 | 104,387 |
| 2047 | 175,320 | 104,154 |
| 2046 | 176,064 | 103,852 |
| 2045 | 176,768 | 103,548 |
| 2044 | 177,462 | 103,215 |
| 2043 | 178,075 | 102,934 |
| 2042 | 178,659 | 102,692 |
| 2041 | 179,227 | 102,447 |
| 2040 | 179,727 | 102,228 |
| 2039 | 180,191 | 102,061 |
| 2038 | 180,634 | 101,835 |
| 2037 | 181,001 | 101,707 |
| 2036 | 181,267 | 101,627 |
| 2035 | 181,460 | 101,580 |
| 2034 | 181,613 | 101,571 |
| 2033 | 181,676 | 101,591 |
| 2032 | 181,680 | 101,633 |
| 2031 | 181,614 | 101,764 |
| 2030 | 181,477 | 101,928 |
| 2029 | 181,299 | 102,181 |
| 2028 | 181,079 | 102,494 |
| 2027 | 180,826 | 102,841 |
| 2026 | 180,519 | 103,283 |
| 2025 | 180,149 | 103,742 |
| 2024 | 179,744 | 104,175 |
| 2023 | 179,285 | 104,597 |
| 2022 | 178,781 | 105,042 |
| 2021 | 178,522 | 105,490 |
| 2020 | 178,250 | 105,704 |
| 2019 | 177,661 | 105,669 |
| 2018 | 177,017 | 105,567 |
| 2017 | 176,342 | 105,356 |
| 2016 | 175,646 | 105,524 |
| 2015 | 174,905 | 106,095 |
| 2014 | 174,138 | 106,609 |
| 2013 | 173,369 | 107,078 |
| 2012 | 172,587 | 107,460 |
| 2011 | 171,801 | 107,570 |
| 2010 | 170,906 | 107,400 |
| 2009 | 169,869 | 107,203 |
| 2008 | 168,808 | 107,020 |
| 2007 | 167,758 | 106,726 |
| 2006 | 166,639 | 106,253 |
| 2005 | 165,450 | 105,671 |
| 2004 | 164,239 | 105,071 |
| 2003 | 162,976 | 104,464 |
| 2002 | 161,641 | 103,874 |
| 2001 | 160,237 | 103,288 |
| 2000 | 158,616 | 102,677 |
| 1999 | 156,702 | 102,046 |
| 1998 | 154,677 | 101,388 |
| 1997 | 152,569 | 100,674 |
| 1996 | 150,436 | 100,275 |
| 1995 | 148,208 | 100,225 |
| 1994 | 145,890 | 100,166 |
| 1993 | 143,726 | 100,103 |
| 1992 | 141,617 | 100,022 |
| 1991 | 139,520 | 99,895 |
| 1990 | 137,857 | 99,700 |
| 1989 | 136,512 | 99,403 |
| 1988 | 135,000 | 98,969 |
| 1987 | 133,227 | 98,376 |
| 1986 | 131,239 | 98,010 |
| 1985 | 129,159 | 97,984 |
| 1984 | 127,067 | 97,990 |
| 1983 | 125,044 | 97,998 |
| 1982 | 123,087 | 97,980 |
| 1981 | 121,166 | 97,909 |
| 1980 | 119,290 | 97,769 |
| 1979 | 117,528 | 97,544 |
| 1978 | 115,834 | 97,204 |
| 1977 | 114,135 | 96,725 |
| 1976 | 112,425 | 95,325 |
| 1975 | 110,725 | 93,017 |
| 1974 | 109,076 | 90,683 |
| 1973 | 107,498 | 88,805 |
| 1972 | 106,002 | 87,356 |
| 1971 | 104,564 | 85,896 |
| 1970 | 103,165 | 84,401 |
| 1969 | 101,879 | 82,885 |
| 1968 | 100,675 | 81,353 |
| 1967 | 99,504 | 79,814 |
| 1966 | 98,463 | 78,002 |
| 1965 | 97,493 | 75,924 |
| 1964 | 96,505 | 73,879 |
| 1963 | 95,519 | 71,885 |
| 1962 | 94,505 | 69,940 |
| 1961 | 93,490 | 68,037 |
| 1960 | 92,585 | 66,170 |
Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/saint-lucia/tonga | CC BY 
From 2006 to 2016, the population of Saint Lucia increased by 9,007 people (a 5.41% growth), while Tonga lost 729 people (a 0.69% decline).
For the next 10 years, from 2016 to 2026, Saint Lucia gained 5,030 people (a 2.86% growth), while Tonga's population decreased by 2,241 people (a 2.12% decline).
Saint Lucia was ranked 177th most populous country in 2006 and is 178th in 2026. Tonga was ranked 182nd in 2006 and ranked 183rd now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Saint Lucia's population will shrink by 4.4% to 172,723 people with a rank change from 178th to 179th. The population of Tonga will increase by 1.51% to 104,844 people and will still be ranked 183rd.
Saint Lucia is projected to reach its peak in 2032 at 182K people compared to the peak of 118K people in 2100 for Tonga.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Saint Lucia
|
Tonga
|
|
| 2100 | -0.97% | 0.03% |
| 2099 | -0.98% | 0.05% |
| 2098 | -0.97% | 0.03% |
| 2097 | -0.99% | 0.03% |
| 2096 | -1.01% | 0.07% |
| 2095 | -1.01% | 0.08% |
| 2094 | -1.02% | 0.07% |
| 2093 | -1.04% | 0.09% |
| 2092 | -1.07% | 0.1% |
| 2091 | -1.05% | 0.12% |
| 2090 | -1.07% | 0.13% |
| 2089 | -1.1% | 0.17% |
| 2088 | -1.1% | 0.18% |
| 2087 | -1.1% | 0.16% |
| 2086 | -1.09% | 0.19% |
| 2085 | -1.11% | 0.21% |
| 2084 | -1.1% | 0.25% |
| 2083 | -1.1% | 0.26% |
| 2082 | -1.11% | 0.25% |
| 2081 | -1.11% | 0.29% |
| 2080 | -1.1% | 0.31% |
| 2079 | -1.07% | 0.32% |
| 2078 | -1.08% | 0.32% |
| 2077 | -1.07% | 0.36% |
| 2076 | -1.04% | 0.34% |
| 2075 | -1.05% | 0.34% |
| 2074 | -1.02% | 0.35% |
| 2073 | -0.99% | 0.37% |
| 2072 | -0.97% | 0.37% |
| 2071 | -0.95% | 0.35% |
| 2070 | -0.93% | 0.33% |
| 2069 | -0.91% | 0.35% |
| 2068 | -0.9% | 0.35% |
| 2067 | -0.88% | 0.35% |
| 2066 | -0.84% | 0.3% |
| 2065 | -0.83% | 0.33% |
| 2064 | -0.78% | 0.32% |
| 2063 | -0.76% | 0.3% |
| 2062 | -0.75% | 0.29% |
| 2061 | -0.75% | 0.26% |
| 2060 | -0.71% | 0.26% |
| 2059 | -0.68% | 0.24% |
| 2058 | -0.66% | 0.23% |
| 2057 | -0.63% | 0.2% |
| 2056 | -0.63% | 0.2% |
| 2055 | -0.61% | 0.2% |
| 2054 | -0.6% | 0.2% |
| 2053 | -0.58% | 0.19% |
| 2052 | -0.55% | 0.2% |
| 2051 | -0.54% | 0.22% |
| 2050 | -0.51% | 0.2% |
| 2049 | -0.5% | 0.24% |
| 2048 | -0.47% | 0.22% |
| 2047 | -0.42% | 0.29% |
| 2046 | -0.4% | 0.29% |
| 2045 | -0.39% | 0.32% |
| 2044 | -0.34% | 0.27% |
| 2043 | -0.33% | 0.24% |
| 2042 | -0.32% | 0.24% |
| 2041 | -0.28% | 0.21% |
| 2040 | -0.26% | 0.16% |
| 2039 | -0.25% | 0.22% |
| 2038 | -0.2% | 0.13% |
| 2037 | -0.15% | 0.08% |
| 2036 | -0.11% | 0.05% |
| 2035 | -0.08% | 0.009% |
| 2034 | -0.03% | -0.02% |
| 2033 | -0.002% | -0.04% |
| 2032 | 0.04% | -0.13% |
| 2031 | 0.08% | -0.16% |
| 2030 | 0.1% | -0.25% |
| 2029 | 0.12% | -0.31% |
| 2028 | 0.14% | -0.34% |
| 2027 | 0.17% | -0.43% |
| 2026 | 0.21% | -0.44% |
| 2025 | 0.23% | -0.42% |
| 2024 | 0.26% | -0.4% |
| 2023 | 0.28% | -0.42% |
| 2022 | 0.15% | -0.42% |
| 2021 | 0.15% | -0.2% |
| 2020 | 0.33% | 0.03% |
| 2019 | 0.36% | 0.1% |
| 2018 | 0.38% | 0.2% |
| 2017 | 0.4% | -0.16% |
| 2016 | 0.42% | -0.54% |
| 2015 | 0.44% | -0.48% |
| 2014 | 0.44% | -0.44% |
| 2013 | 0.45% | -0.36% |
| 2012 | 0.46% | -0.1% |
| 2011 | 0.52% | 0.16% |
| 2010 | 0.61% | 0.18% |
| 2009 | 0.63% | 0.17% |
| 2008 | 0.63% | 0.28% |
| 2007 | 0.67% | 0.45% |
| 2006 | 0.72% | 0.55% |
| 2005 | 0.74% | 0.57% |
| 2004 | 0.77% | 0.58% |
| 2003 | 0.83% | 0.57% |
| 2002 | 0.88% | 0.57% |
| 2001 | 1.02% | 0.6% |
| 2000 | 1.22% | 0.62% |
| 1999 | 1.31% | 0.65% |
| 1998 | 1.38% | 0.71% |
| 1997 | 1.42% | 0.4% |
| 1996 | 1.5% | 0.05% |
| 1995 | 1.59% | 0.06% |
| 1994 | 1.51% | 0.06% |
| 1993 | 1.49% | 0.08% |
| 1992 | 1.5% | 0.13% |
| 1991 | 1.21% | 0.2% |
| 1990 | 0.99% | 0.3% |
| 1989 | 1.12% | 0.44% |
| 1988 | 1.33% | 0.6% |
| 1987 | 1.51% | 0.37% |
| 1986 | 1.61% | 0.03% |
| 1985 | 1.65% | -0.006% |
| 1984 | 1.62% | -0.008% |
| 1983 | 1.59% | 0.02% |
| 1982 | 1.59% | 0.07% |
| 1981 | 1.57% | 0.14% |
| 1980 | 1.5% | 0.23% |
| 1979 | 1.46% | 0.35% |
| 1978 | 1.49% | 0.5% |
| 1977 | 1.52% | 1.47% |
| 1976 | 1.54% | 2.48% |
| 1975 | 1.51% | 2.57% |
| 1974 | 1.47% | 2.11% |
| 1973 | 1.41% | 1.66% |
| 1972 | 1.38% | 1.7% |
| 1971 | 1.36% | 1.77% |
| 1970 | 1.26% | 1.83% |
| 1969 | 1.2% | 1.88% |
| 1968 | 1.18% | 1.93% |
| 1967 | 1.06% | 2.32% |
| 1966 | 0.99% | 2.74% |
| 1965 | 1.02% | 2.77% |
| 1964 | 1.03% | 2.77% |
| 1963 | 1.07% | 2.78% |
| 1962 | 1.09% | 2.8% |
| 1961 | 0.98% | 2.82% |
Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).
GeoRank.org/population/saint-lucia/tonga | CC BY
In 2025, the population of Saint Lucia grew by 0.23%, while Tonga's population declined by 0.42%.
Live population counters
|
Saint Lucia
|
Tonga
|
|
|---|---|---|
| Current population |
180676
|
103283
|
| Population rank | 178/197 | 183/197 |
| Percent of world population | 0.002% | 0.001% |
| One net population change |
21.7 hours
|
20.3 hours
|
| One birth every |
4.35 hours
|
3.65 hours
|
| One death every |
5.6 hours
|
13.1 hours
|
| Daily growth/decline | +1 | -1 |
| Annual growth/decline | +405 | -433 |
| Annual growth/decline rate | +0.23% | -0.42% |
| Population growth rate rank | 150/197 | 181/197 |
| One migration net change every |
2.27 weeks
|
4.09 hours
|
| Annual migration change | -23 | -2,150 |
| Net migration rank | 79/196 | 99/196 |
| Foreign-born residents | 8,079 | 3,581 |
| Foreign-born residents rank | 180/195 | 187/195 |
| Foreign-born share of population | 4.5% | 3.4% |
| Foreign-born share rank | 98/195 | 113/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Saint Lucia
|
Tonga
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -23 | - | -2,150 |
| 2024 | 449 | -7 | 1,729 | -2,149 |
| 2023 | 475 | 0 | 1,744 | -2,173 |
| 2022 | 530 | 0 | 1,772 | -2,218 |
| 2021 | -15 | 0 | 1,773 | -2,220 |
| 2020 | 562 | 0 | 1,816 | -1,807 |
| 2019 | 609 | 0 | 1,841 | -1,778 |
| 2018 | 694 | -18 | 1,873 | -1,723 |
| 2017 | 724 | -38 | 1,912 | -1,642 |
| 2016 | 767 | -57 | 1,989 | -2,591 |
| 2015 | 841 | -69 | 2,064 | -2,610 |
| 2014 | 852 | -90 | 2,135 | -2,622 |
| 2013 | 892 | -114 | 2,199 | -2,637 |
| 2012 | 916 | -135 | 2,255 | -2,578 |
| 2011 | 934 | -150 | 2,298 | -2,198 |
| 2010 | 1,176 | -170 | 2,332 | -2,097 |
| 2009 | 1,349 | -276 | 2,358 | -2,204 |
| 2008 | 1,369 | -331 | 2,397 | -2,177 |
| 2007 | 1,422 | -352 | 2,423 | -2,057 |
| 2006 | 1,511 | -339 | 2,459 | -1,875 |
| 2005 | 1,553 | -358 | 2,495 | -1,906 |
| 2004 | 1,615 | -378 | 2,478 | -1,876 |
| 2003 | 1,694 | -397 | 2,448 | -1,844 |
| 2002 | 1,774 | -409 | 2,396 | -1,815 |
| 2001 | 1,860 | -416 | 2,358 | -1,766 |
| 2000 | 1,967 | -176 | 2,346 | -1,721 |
| 1999 | 2,389 | -361 | 2,352 | -1,710 |
| 1998 | 2,294 | -268 | 2,344 | -1,665 |
| 1997 | 2,709 | -519 | 2,332 | -1,589 |
| 1996 | 2,649 | -571 | 2,393 | -2,338 |
| 1995 | 3,019 | -638 | 2,476 | -2,422 |
| 1994 | 2,976 | -721 | 2,547 | -2,484 |
| 1993 | 2,899 | -824 | 2,594 | -2,532 |
| 1992 | 2,981 | -834 | 2,622 | -2,524 |
| 1991 | 3,009 | -963 | 2,637 | -2,484 |
| 1990 | 3,061 | -1,790 | 2,641 | -2,409 |
| 1989 | 3,146 | -1,734 | 2,644 | -2,280 |
| 1988 | 3,229 | -1,606 | 2,649 | -2,138 |
| 1987 | 3,351 | -1,423 | 2,646 | -1,970 |
| 1986 | 3,496 | -1,453 | 2,704 | -2,650 |
| 1985 | 3,591 | -1,465 | 2,762 | -2,775 |
| 1984 | 3,526 | -1,468 | 2,814 | -2,823 |
| 1983 | 3,443 | -1,462 | 2,840 | -2,840 |
| 1982 | 3,360 | -1,423 | 2,853 | -2,814 |
| 1981 | 3,306 | -1,403 | 2,882 | -2,778 |
| 1980 | 3,275 | -1,422 | 2,885 | -2,708 |
| 1979 | 3,301 | -1,625 | 2,884 | -2,604 |
| 1978 | 3,340 | -1,635 | 2,862 | -2,457 |
| 1977 | 3,240 | -1,543 | 2,822 | -2,273 |
| 1976 | 3,166 | -1,444 | 2,769 | -523 |
| 1975 | 3,126 | -1,454 | 2,709 | -346 |
| 1974 | 3,106 | -1,472 | 2,650 | -344 |
| 1973 | 3,033 | -1,513 | 2,617 | -1,168 |
| 1972 | 3,028 | -1,566 | 2,605 | -1,153 |
| 1971 | 3,046 | -1,625 | 2,611 | -1,138 |
| 1970 | 3,093 | -1,709 | 2,628 | -1,122 |
| 1969 | 3,143 | -1,954 | 2,632 | -1,101 |
| 1968 | 3,154 | -1,937 | 2,614 | -1,078 |
| 1967 | 3,113 | -1,997 | 2,603 | -1,060 |
| 1966 | 3,028 | -2,065 | 2,550 | -465 |
| 1965 | 3,042 | -2,067 | 2,498 | -426 |
| 1964 | 3,074 | -2,079 | 2,445 | -428 |
| 1963 | 3,048 | -2,060 | 2,394 | -426 |
| 1962 | 3,124 | -2,082 | 2,343 | -420 |
| 1961 | 3,173 | -2,189 | 2,284 | -401 |
| 1960 | 3,202 | -2,366 | 2,230 | -384 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/saint-lucia/tonga | CC BY
Over the last 10 years, 96.8% of the population change in Saint Lucia is from natural causes (a gain of 5,636 people) and 3.24% is from migration (a loss of 189 people). In Tonga 47% is from natural causes (a gain of 18,513 people) and 53% is from migration (a loss of 20,911 people).
As of 2024, 8,079 residents or 4.5% of the population were not native-born in Saint Lucia, compared to 3,581 people or 3.4% in Tonga.
Biggest cities by population
|
Saint Lucia
|
|
|---|---|
| City | Population |
| Castries | 20K |
| Vieux Fort | 15.8K |
|
Tonga
|
|
|---|---|
| City | Population |
| Nukualofa | 23.2K |
| Mua | 5K |
Compare countries by 7 more topics
Population differences between Saint Lucia and Tonga
|
Saint Lucia
|
Tonga
|
|
|---|---|---|
| Life expectancy | 73.2 years | 73.4 years |
| Average age | 36.8 years | 28.1 years |
| Median age | 35.7 years | 22 years |
| Male:Female ratio | 49.3:50.7 | 47.2:52.8 |
| Fertility rate | 1.39 births per woman | 3.1 births per woman |
| Population density | 766 ppl/mi² | 372 ppl/mi² |
Population map with other countries
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).
GeoRank.org/population/saint-lucia/tonga | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-07-08)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
- U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
- Wikidata (2026, retrieved 2026-07-08)
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