The latest officially reported population of the Solomon Islands was 838,645 in 2025 vs 103,742 people in Tonga in 2025. In 2026, based on the adjusted UN estimation, the current Solomon Islands' population is 868,694 people compared to 103,283 in Tonga.
Population statistics:
- The Solomon Islands' population is 8.41 times bigger than Tonga's.
- The Solomon Islands is ranked the 161st most populous country in the world, while Tonga is the 183rd.
- The countries together account for 0.01% of the world: 0.01% for the Solomon Islands vs 0.001% for Tonga.
- For the last 10 years, the Solomon Islands has had an average growth rate of +2.83% per year vs -0.25% in Tonga.
- Since 2006, the population of the Solomon Islands has increased from 492K people to 869K (76.7% growth), while Tonga has declined from 106K to 103K (2.8% decline).
Solomon Islands vs Tonga: population by year and forecast
| Year | Population | |
|---|---|---|
Solomon Islands
|
Tonga
|
|
| 2100 | 1,869,132 | 117,617 |
| 2099 | 1,865,051 | 117,585 |
| 2098 | 1,860,822 | 117,530 |
| 2097 | 1,856,197 | 117,492 |
| 2096 | 1,851,361 | 117,461 |
| 2095 | 1,846,006 | 117,383 |
| 2094 | 1,840,576 | 117,290 |
| 2093 | 1,834,659 | 117,207 |
| 2092 | 1,828,323 | 117,097 |
| 2091 | 1,821,781 | 116,983 |
| 2090 | 1,814,933 | 116,838 |
| 2089 | 1,807,885 | 116,682 |
| 2088 | 1,800,523 | 116,481 |
| 2087 | 1,792,919 | 116,277 |
| 2086 | 1,784,993 | 116,088 |
| 2085 | 1,776,798 | 115,872 |
| 2084 | 1,768,230 | 115,628 |
| 2083 | 1,759,388 | 115,336 |
| 2082 | 1,750,221 | 115,041 |
| 2081 | 1,740,741 | 114,752 |
| 2080 | 1,730,900 | 114,424 |
| 2079 | 1,720,938 | 114,074 |
| 2078 | 1,710,578 | 113,710 |
| 2077 | 1,699,838 | 113,349 |
| 2076 | 1,688,671 | 112,945 |
| 2075 | 1,677,384 | 112,565 |
| 2074 | 1,665,984 | 112,179 |
| 2073 | 1,654,063 | 111,790 |
| 2072 | 1,641,845 | 111,377 |
| 2071 | 1,629,270 | 110,963 |
| 2070 | 1,616,540 | 110,576 |
| 2069 | 1,603,485 | 110,209 |
| 2068 | 1,590,112 | 109,825 |
| 2067 | 1,576,525 | 109,446 |
| 2066 | 1,562,815 | 109,062 |
| 2065 | 1,548,873 | 108,736 |
| 2064 | 1,534,676 | 108,377 |
| 2063 | 1,520,167 | 108,033 |
| 2062 | 1,505,610 | 107,710 |
| 2061 | 1,490,754 | 107,396 |
| 2060 | 1,475,849 | 107,117 |
| 2059 | 1,460,639 | 106,842 |
| 2058 | 1,445,210 | 106,589 |
| 2057 | 1,429,794 | 106,345 |
| 2056 | 1,414,149 | 106,130 |
| 2055 | 1,398,271 | 105,915 |
| 2054 | 1,382,259 | 105,698 |
| 2053 | 1,366,025 | 105,486 |
| 2052 | 1,349,539 | 105,286 |
| 2051 | 1,332,975 | 105,079 |
| 2050 | 1,316,163 | 104,844 |
| 2049 | 1,299,210 | 104,636 |
| 2048 | 1,282,103 | 104,387 |
| 2047 | 1,264,854 | 104,154 |
| 2046 | 1,247,457 | 103,852 |
| 2045 | 1,229,853 | 103,548 |
| 2044 | 1,212,131 | 103,215 |
| 2043 | 1,194,206 | 102,934 |
| 2042 | 1,176,128 | 102,692 |
| 2041 | 1,158,032 | 102,447 |
| 2040 | 1,139,694 | 102,228 |
| 2039 | 1,120,879 | 102,061 |
| 2038 | 1,101,654 | 101,835 |
| 2037 | 1,082,017 | 101,707 |
| 2036 | 1,062,068 | 101,627 |
| 2035 | 1,041,799 | 101,580 |
| 2034 | 1,021,368 | 101,571 |
| 2033 | 1,000,876 | 101,591 |
| 2032 | 980,211 | 101,633 |
| 2031 | 959,672 | 101,764 |
| 2030 | 939,186 | 101,928 |
| 2029 | 918,810 | 102,181 |
| 2028 | 898,552 | 102,494 |
| 2027 | 878,392 | 102,841 |
| 2026 | 858,453 | 103,283 |
| 2025 | 838,645 | 103,742 |
| 2024 | 819,198 | 104,175 |
| 2023 | 800,005 | 104,597 |
| 2022 | 781,066 | 105,042 |
| 2021 | 762,591 | 105,490 |
| 2020 | 744,498 | 105,704 |
| 2019 | 728,147 | 105,669 |
| 2018 | 709,101 | 105,567 |
| 2017 | 685,672 | 105,356 |
| 2016 | 662,379 | 105,524 |
| 2015 | 639,415 | 106,095 |
| 2014 | 616,908 | 106,609 |
| 2013 | 594,945 | 107,078 |
| 2012 | 573,606 | 107,460 |
| 2011 | 552,945 | 107,570 |
| 2010 | 532,968 | 107,400 |
| 2009 | 518,141 | 107,203 |
| 2008 | 508,790 | 107,020 |
| 2007 | 500,156 | 106,726 |
| 2006 | 491,594 | 106,253 |
| 2005 | 483,080 | 105,671 |
| 2004 | 474,611 | 105,071 |
| 2003 | 466,154 | 104,464 |
| 2002 | 457,671 | 103,874 |
| 2001 | 449,125 | 103,288 |
| 2000 | 440,469 | 102,677 |
| 1999 | 430,500 | 102,046 |
| 1998 | 419,071 | 101,388 |
| 1997 | 407,474 | 100,674 |
| 1996 | 396,009 | 100,275 |
| 1995 | 384,733 | 100,225 |
| 1994 | 373,675 | 100,166 |
| 1993 | 362,839 | 100,103 |
| 1992 | 352,205 | 100,022 |
| 1991 | 341,738 | 99,895 |
| 1990 | 331,435 | 99,700 |
| 1989 | 321,282 | 99,403 |
| 1988 | 311,265 | 98,969 |
| 1987 | 301,414 | 98,376 |
| 1986 | 291,842 | 98,010 |
| 1985 | 282,455 | 97,984 |
| 1984 | 273,163 | 97,990 |
| 1983 | 264,068 | 97,998 |
| 1982 | 255,200 | 97,980 |
| 1981 | 246,555 | 97,909 |
| 1980 | 238,135 | 97,769 |
| 1979 | 229,953 | 97,544 |
| 1978 | 222,029 | 97,204 |
| 1977 | 214,418 | 96,725 |
| 1976 | 207,194 | 95,325 |
| 1975 | 200,744 | 93,017 |
| 1974 | 195,041 | 90,683 |
| 1973 | 189,774 | 88,805 |
| 1972 | 184,994 | 87,356 |
| 1971 | 180,637 | 85,896 |
| 1970 | 176,579 | 84,401 |
| 1969 | 172,476 | 82,885 |
| 1968 | 168,282 | 81,353 |
| 1967 | 164,245 | 79,814 |
| 1966 | 160,393 | 78,002 |
| 1965 | 156,686 | 75,924 |
| 1964 | 153,085 | 73,879 |
| 1963 | 149,589 | 71,885 |
| 1962 | 146,201 | 69,940 |
| 1961 | 142,912 | 68,037 |
| 1960 | 139,688 | 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/solomon-islands/tonga | CC BY 
From 2006 to 2016, the population of the Solomon Islands increased by 170,785 people (a 34.7% growth), while Tonga lost 729 people (a 0.69% decline).
For the next 10 years, from 2016 to 2026, the Solomon Islands gained 206,315 people (a 31.1% growth), while Tonga's population decreased by 2,241 people (a 2.12% decline).
The Solomon Islands was ranked 165th most populous country in 2006 and is 161st 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) the Solomon Islands' population will grow by 51.5% to 1,316,163 people with a rank change from 161st to 156th. The population of Tonga will increase by 1.51% to 104,844 people and will still be ranked 183rd.
The Solomon Islands is projected to reach its peak in 2100 at 1.87M people compared to the peak of 118K people in 2100 for Tonga.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Solomon Islands
|
Tonga
|
|
| 2100 | 0.22% | 0.03% |
| 2099 | 0.23% | 0.05% |
| 2098 | 0.25% | 0.03% |
| 2097 | 0.26% | 0.03% |
| 2096 | 0.29% | 0.07% |
| 2095 | 0.29% | 0.08% |
| 2094 | 0.32% | 0.07% |
| 2093 | 0.35% | 0.09% |
| 2092 | 0.36% | 0.1% |
| 2091 | 0.38% | 0.12% |
| 2090 | 0.39% | 0.13% |
| 2089 | 0.41% | 0.17% |
| 2088 | 0.42% | 0.18% |
| 2087 | 0.44% | 0.16% |
| 2086 | 0.46% | 0.19% |
| 2085 | 0.48% | 0.21% |
| 2084 | 0.5% | 0.25% |
| 2083 | 0.52% | 0.26% |
| 2082 | 0.54% | 0.25% |
| 2081 | 0.57% | 0.29% |
| 2080 | 0.58% | 0.31% |
| 2079 | 0.61% | 0.32% |
| 2078 | 0.63% | 0.32% |
| 2077 | 0.66% | 0.36% |
| 2076 | 0.67% | 0.34% |
| 2075 | 0.68% | 0.34% |
| 2074 | 0.72% | 0.35% |
| 2073 | 0.74% | 0.37% |
| 2072 | 0.77% | 0.37% |
| 2071 | 0.79% | 0.35% |
| 2070 | 0.81% | 0.33% |
| 2069 | 0.84% | 0.35% |
| 2068 | 0.86% | 0.35% |
| 2067 | 0.88% | 0.35% |
| 2066 | 0.9% | 0.3% |
| 2065 | 0.93% | 0.33% |
| 2064 | 0.95% | 0.32% |
| 2063 | 0.97% | 0.3% |
| 2062 | 1% | 0.29% |
| 2061 | 1.01% | 0.26% |
| 2060 | 1.04% | 0.26% |
| 2059 | 1.07% | 0.24% |
| 2058 | 1.08% | 0.23% |
| 2057 | 1.11% | 0.2% |
| 2056 | 1.14% | 0.2% |
| 2055 | 1.16% | 0.2% |
| 2054 | 1.19% | 0.2% |
| 2053 | 1.22% | 0.19% |
| 2052 | 1.24% | 0.2% |
| 2051 | 1.28% | 0.22% |
| 2050 | 1.3% | 0.2% |
| 2049 | 1.33% | 0.24% |
| 2048 | 1.36% | 0.22% |
| 2047 | 1.39% | 0.29% |
| 2046 | 1.43% | 0.29% |
| 2045 | 1.46% | 0.32% |
| 2044 | 1.5% | 0.27% |
| 2043 | 1.54% | 0.24% |
| 2042 | 1.56% | 0.24% |
| 2041 | 1.61% | 0.21% |
| 2040 | 1.68% | 0.16% |
| 2039 | 1.75% | 0.22% |
| 2038 | 1.81% | 0.13% |
| 2037 | 1.88% | 0.08% |
| 2036 | 1.95% | 0.05% |
| 2035 | 2% | 0.009% |
| 2034 | 2.05% | -0.02% |
| 2033 | 2.11% | -0.04% |
| 2032 | 2.14% | -0.13% |
| 2031 | 2.18% | -0.16% |
| 2030 | 2.22% | -0.25% |
| 2029 | 2.25% | -0.31% |
| 2028 | 2.3% | -0.34% |
| 2027 | 2.32% | -0.43% |
| 2026 | 2.36% | -0.44% |
| 2025 | 2.37% | -0.42% |
| 2024 | 2.4% | -0.4% |
| 2023 | 2.42% | -0.42% |
| 2022 | 2.42% | -0.42% |
| 2021 | 2.43% | -0.2% |
| 2020 | 2.25% | 0.03% |
| 2019 | 2.69% | 0.1% |
| 2018 | 3.42% | 0.2% |
| 2017 | 3.52% | -0.16% |
| 2016 | 3.59% | -0.54% |
| 2015 | 3.65% | -0.48% |
| 2014 | 3.69% | -0.44% |
| 2013 | 3.72% | -0.36% |
| 2012 | 3.74% | -0.1% |
| 2011 | 3.75% | 0.16% |
| 2010 | 2.86% | 0.18% |
| 2009 | 1.84% | 0.17% |
| 2008 | 1.73% | 0.28% |
| 2007 | 1.74% | 0.45% |
| 2006 | 1.76% | 0.55% |
| 2005 | 1.78% | 0.57% |
| 2004 | 1.81% | 0.58% |
| 2003 | 1.85% | 0.57% |
| 2002 | 1.9% | 0.57% |
| 2001 | 1.97% | 0.6% |
| 2000 | 2.32% | 0.62% |
| 1999 | 2.73% | 0.65% |
| 1998 | 2.85% | 0.71% |
| 1997 | 2.9% | 0.4% |
| 1996 | 2.93% | 0.05% |
| 1995 | 2.96% | 0.06% |
| 1994 | 2.99% | 0.06% |
| 1993 | 3.02% | 0.08% |
| 1992 | 3.06% | 0.13% |
| 1991 | 3.11% | 0.2% |
| 1990 | 3.16% | 0.3% |
| 1989 | 3.22% | 0.44% |
| 1988 | 3.27% | 0.6% |
| 1987 | 3.28% | 0.37% |
| 1986 | 3.32% | 0.03% |
| 1985 | 3.4% | -0.006% |
| 1984 | 3.44% | -0.008% |
| 1983 | 3.47% | 0.02% |
| 1982 | 3.51% | 0.07% |
| 1981 | 3.54% | 0.14% |
| 1980 | 3.56% | 0.23% |
| 1979 | 3.57% | 0.35% |
| 1978 | 3.55% | 0.5% |
| 1977 | 3.49% | 1.47% |
| 1976 | 3.21% | 2.48% |
| 1975 | 2.92% | 2.57% |
| 1974 | 2.78% | 2.11% |
| 1973 | 2.58% | 1.66% |
| 1972 | 2.41% | 1.7% |
| 1971 | 2.3% | 1.77% |
| 1970 | 2.38% | 1.83% |
| 1969 | 2.49% | 1.88% |
| 1968 | 2.46% | 1.93% |
| 1967 | 2.4% | 2.32% |
| 1966 | 2.37% | 2.74% |
| 1965 | 2.35% | 2.77% |
| 1964 | 2.34% | 2.77% |
| 1963 | 2.32% | 2.78% |
| 1962 | 2.3% | 2.8% |
| 1961 | 2.31% | 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/solomon-islands/tonga | CC BY
In 2025, the population of the Solomon Islands grew by 2.37%, while Tonga's population declined by 0.42%.
Live population counters
|
Solomon Islands
|
Tonga
|
|
|---|---|---|
| Current population |
868694
|
103283
|
| Population rank | 161/197 | 183/197 |
| Percent of world population | 0.01% | 0.001% |
| One net population change |
27.1 minutes
|
20.3 hours
|
| One birth every |
24 minutes
|
3.65 hours
|
| One death every |
2.1 hours
|
13.1 hours
|
| Daily growth/decline | +53 | -1 |
| Annual growth/decline | +19,447 | -433 |
| Annual growth/decline rate | +2.37% | -0.42% |
| Population growth rate rank | 32/197 | 181/197 |
| One migration net change every |
5.39 hours
|
4.09 hours
|
| Annual migration change | +1,631 | -2,150 |
| Net migration rank | 59/196 | 99/196 |
| Foreign-born residents | 2,469 | 3,581 |
| Foreign-born residents rank | 192/195 | 187/195 |
| Foreign-born share of population | 0.3% | 3.4% |
| Foreign-born share rank | 184/195 | 113/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Solomon Islands
|
Tonga
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | 1,631 | - | -2,150 |
| 2024 | 17,715 | 1,610 | 1,729 | -2,149 |
| 2023 | 17,436 | 1,636 | 1,744 | -2,173 |
| 2022 | 17,253 | 1,567 | 1,772 | -2,218 |
| 2021 | 16,626 | 1,499 | 1,773 | -2,220 |
| 2020 | 16,488 | 1,556 | 1,816 | -1,807 |
| 2019 | 16,649 | -1,990 | 1,841 | -1,778 |
| 2018 | 16,790 | 6,653 | 1,873 | -1,723 |
| 2017 | 16,897 | 6,513 | 1,912 | -1,642 |
| 2016 | 17,027 | 6,146 | 1,989 | -2,591 |
| 2015 | 16,909 | 5,853 | 2,064 | -2,610 |
| 2014 | 16,652 | 5,598 | 2,135 | -2,622 |
| 2013 | 16,038 | 5,631 | 2,199 | -2,637 |
| 2012 | 15,585 | 5,420 | 2,255 | -2,578 |
| 2011 | 15,095 | 5,219 | 2,298 | -2,198 |
| 2010 | 14,604 | 5,040 | 2,332 | -2,097 |
| 2009 | 14,381 | -4,360 | 2,358 | -2,204 |
| 2008 | 14,225 | -5,538 | 2,397 | -2,177 |
| 2007 | 13,963 | -5,383 | 2,423 | -2,057 |
| 2006 | 13,799 | -5,262 | 2,459 | -1,875 |
| 2005 | 13,568 | -5,082 | 2,495 | -1,906 |
| 2004 | 13,444 | -4,985 | 2,478 | -1,876 |
| 2003 | 13,344 | -4,881 | 2,448 | -1,844 |
| 2002 | 13,195 | -4,691 | 2,396 | -1,815 |
| 2001 | 13,061 | -4,474 | 2,358 | -1,766 |
| 2000 | 12,938 | -4,219 | 2,346 | -1,721 |
| 1999 | 12,809 | -1,588 | 2,352 | -1,710 |
| 1998 | 12,658 | -1,019 | 2,344 | -1,665 |
| 1997 | 12,478 | -931 | 2,332 | -1,589 |
| 1996 | 12,328 | -947 | 2,393 | -2,338 |
| 1995 | 12,124 | -952 | 2,476 | -2,422 |
| 1994 | 11,771 | -828 | 2,547 | -2,484 |
| 1993 | 11,396 | -665 | 2,594 | -2,532 |
| 1992 | 11,029 | -482 | 2,622 | -2,524 |
| 1991 | 10,789 | -410 | 2,637 | -2,484 |
| 1990 | 10,561 | -335 | 2,641 | -2,409 |
| 1989 | 10,354 | -270 | 2,644 | -2,280 |
| 1988 | 10,142 | -197 | 2,649 | -2,138 |
| 1987 | 9,943 | -179 | 2,646 | -1,970 |
| 1986 | 9,656 | -269 | 2,704 | -2,650 |
| 1985 | 9,534 | -150 | 2,762 | -2,775 |
| 1984 | 9,299 | -102 | 2,814 | -2,823 |
| 1983 | 9,011 | -30 | 2,840 | -2,840 |
| 1982 | 8,720 | 40 | 2,853 | -2,814 |
| 1981 | 8,436 | 99 | 2,882 | -2,778 |
| 1980 | 8,156 | 151 | 2,885 | -2,708 |
| 1979 | 7,874 | 188 | 2,884 | -2,604 |
| 1978 | 7,598 | 174 | 2,862 | -2,457 |
| 1977 | 7,290 | 159 | 2,822 | -2,273 |
| 1976 | 7,058 | -48 | 2,769 | -523 |
| 1975 | 6,635 | -760 | 2,709 | -346 |
| 1974 | 6,612 | -1,084 | 2,650 | -344 |
| 1973 | 6,343 | -1,329 | 2,617 | -1,168 |
| 1972 | 6,074 | -1,520 | 2,605 | -1,153 |
| 1971 | 5,814 | -1,646 | 2,611 | -1,138 |
| 1970 | 5,575 | -1,632 | 2,628 | -1,122 |
| 1969 | 5,444 | -1,187 | 2,632 | -1,101 |
| 1968 | 5,285 | -1,154 | 2,614 | -1,078 |
| 1967 | 5,151 | -1,213 | 2,603 | -1,060 |
| 1966 | 5,028 | -1,256 | 2,550 | -465 |
| 1965 | 4,885 | -1,237 | 2,498 | -426 |
| 1964 | 4,747 | -1,200 | 2,445 | -428 |
| 1963 | 4,571 | -1,129 | 2,394 | -426 |
| 1962 | 4,408 | -1,073 | 2,343 | -420 |
| 1961 | 4,257 | -1,016 | 2,284 | -401 |
| 1960 | 4,119 | -917 | 2,230 | -384 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/solomon-islands/tonga | CC BY
Over the last 10 years, 84.5% of the population change in the Solomon Islands is from natural causes (a gain of 169,790 people) and 15.5% is from migration (a gain of 31,043 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, 2,469 residents or 0.3% of the population were not native-born in the Solomon Islands, compared to 3,581 people or 3.4% in Tonga.
Biggest cities by population
|
Solomon Islands
|
|
|---|---|
| City | Population |
| Honiara | 84.5K |
| Auki | 6.81K |
|
Tonga
|
|
|---|---|
| City | Population |
| Nukualofa | 23.2K |
| Mua | 5K |
Compare countries by 7 more topics
Population differences between the Solomon Islands and Tonga
|
Solomon Islands
|
Tonga
|
|
|---|---|---|
| Life expectancy | 71 years | 73.4 years |
| Average age | 25.7 years | 28.1 years |
| Median age | 21.8 years | 22 years |
| Male:Female ratio | 51.1:48.9 | 47.2:52.8 |
| Fertility rate | 3.51 births per woman | 3.1 births per woman |
| Population density | 79.4 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/solomon-islands/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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