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Population in the Solomon Islands compared to Sri Lanka: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of the Solomon Islands was 838,645 in 2025 vs 21,756,000 people in Sri Lanka in 2025. In 2026, based on the adjusted UN estimation, the current Solomon Islands' population is 868,694 people compared to 21,926,160 in Sri Lanka.

Population statistics:

  • Sri Lanka's population is 25.2 times bigger than the Solomon Islands'.
  • The Solomon Islands is ranked the 161st most populous country in the world, while Sri Lanka is the 63rd.
  • The countries together account for 0.27% of the world: 0.01% for the Solomon Islands vs 0.26% for Sri Lanka.
  • For the last 10 years, the Solomon Islands has had an average growth rate of +2.83% per year vs +0.42% in Sri Lanka.
  • Since 2006, the population of the Solomon Islands has increased from 492K people to 869K (76.7% growth), while Sri Lanka has grown from 20.4M to 21.9M (7.73% growth).

Solomon Islands vs Sri Lanka: population by year and forecast

Solomon Islands
Factual

Projection
Sri Lanka
Factual

Projection
1x
Year Population
Solomon Islands Sri Lanka
2100 1,869,132 20,009,380
2099 1,865,051 20,121,095
2098 1,860,822 20,234,513
2097 1,856,197 20,345,619
2096 1,851,361 20,456,607
2095 1,846,006 20,566,246
2094 1,840,576 20,674,019
2093 1,834,659 20,780,946
2092 1,828,323 20,886,274
2091 1,821,781 20,990,047
2090 1,814,933 21,095,968
2089 1,807,885 21,198,788
2088 1,800,523 21,299,229
2087 1,792,919 21,398,269
2086 1,784,993 21,496,892
2085 1,776,798 21,594,661
2084 1,768,230 21,687,323
2083 1,759,388 21,778,597
2082 1,750,221 21,866,395
2081 1,740,741 21,954,337
2080 1,730,900 22,038,953
2079 1,720,938 22,122,744
2078 1,710,578 22,200,069
2077 1,699,838 22,274,355
2076 1,688,671 22,345,857
2075 1,677,384 22,414,609
2074 1,665,984 22,485,066
2073 1,654,063 22,550,427
2072 1,641,845 22,610,645
2071 1,629,270 22,669,042
2070 1,616,540 22,725,948
2069 1,603,485 22,779,050
2068 1,590,112 22,831,596
2067 1,576,525 22,885,941
2066 1,562,815 22,935,123
2065 1,548,873 22,985,942
2064 1,534,676 23,030,844
2063 1,520,167 23,071,114
2062 1,505,610 23,107,970
2061 1,490,754 23,139,924
2060 1,475,849 23,171,649
2059 1,460,639 23,199,387
2058 1,445,210 23,224,997
2057 1,429,794 23,247,211
2056 1,414,149 23,267,292
2055 1,398,271 23,278,653
2054 1,382,259 23,287,520
2053 1,366,025 23,297,347
2052 1,349,539 23,301,287
2051 1,332,975 23,302,108
2050 1,316,163 23,299,282
2049 1,299,210 23,293,630
2048 1,282,103 23,283,465
2047 1,264,854 23,267,251
2046 1,247,457 23,244,081
2045 1,229,853 23,212,221
2044 1,212,131 23,181,041
2043 1,194,206 23,144,217
2042 1,176,128 23,103,489
2041 1,158,032 23,056,478
2040 1,139,694 23,005,928
2039 1,120,879 22,948,866
2038 1,101,654 22,888,821
2037 1,082,017 22,822,943
2036 1,062,068 22,756,462
2035 1,041,799 22,685,766
2034 1,021,368 22,611,514
2033 1,000,876 22,532,374
2032 980,211 22,449,310
2031 959,672 22,364,063
2030 939,186 22,273,377
2029 918,810 22,181,300
2028 898,552 22,082,826
2027 878,392 21,979,196
2026 858,453 21,870,145
2025 838,645 21,756,000
2024 819,198 21,916,000
2023 800,005 22,037,000
2022 781,066 22,181,000
2021 762,591 22,156,000
2020 744,498 21,919,000
2019 728,147 21,803,000
2018 709,101 21,670,000
2017 685,672 21,453,000
2016 662,379 21,209,000
2015 639,415 20,970,000
2014 616,908 20,778,000
2013 594,945 20,585,000
2012 573,606 21,169,458
2011 552,945 21,009,048
2010 532,968 20,879,089
2009 518,141 20,756,435
2008 508,790 20,629,378
2007 500,156 20,492,545
2006 491,594 20,352,411
2005 483,080 20,216,524
2004 474,611 20,087,605
2003 466,154 19,951,521
2002 457,671 19,805,752
2001 449,125 19,600,362
2000 440,469 19,293,054
1999 430,500 18,944,731
1998 419,071 18,596,003
1997 407,474 18,248,200
1996 396,009 17,905,018
1995 384,733 17,564,068
1994 373,675 17,275,773
1993 362,839 17,025,918
1992 352,205 16,739,284
1991 341,738 16,475,354
1990 331,435 16,352,458
1989 321,282 16,248,557
1988 311,265 16,078,621
1987 301,414 15,916,576
1986 291,842 15,731,256
1985 282,455 15,544,154
1984 273,163 15,441,860
1983 264,068 15,388,794
1982 255,200 15,286,567
1981 246,555 15,099,414
1980 238,135 14,847,974
1979 229,953 14,579,614
1978 222,029 14,310,128
1977 214,418 14,049,371
1976 207,194 13,796,770
1975 200,744 13,548,984
1974 195,041 13,305,693
1973 189,774 13,060,916
1972 184,994 12,809,205
1971 180,637 12,551,910
1970 176,579 12,287,110
1969 172,476 12,013,858
1968 168,282 11,736,088
1967 164,245 11,457,328
1966 160,393 11,183,928
1965 156,686 10,916,965
1964 153,085 10,653,397
1963 149,589 10,395,040
1962 146,201 10,143,754
1961 142,912 9,899,372
1960 139,688 9,661,389

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/sri-lanka | CC BY

From 2006 to 2016, the population of the Solomon Islands increased by 170,785 people (a 34.7% growth), while Sri Lanka gained 856,589 people (a 4.21% growth).

For the next 10 years, from 2016 to 2026, the Solomon Islands gained 206,315 people (a 31.1% growth), while Sri Lanka's population increased by 717,160 people (a 3.38% growth).

The Solomon Islands was ranked 165th most populous country in 2006 and is 161st in 2026. Sri Lanka was ranked 55th in 2006 and ranked 63rd 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 Sri Lanka will increase by 6.26% to 23,299,282 people and rank change from 63rd to 71st.

The Solomon Islands is projected to reach its peak in 2100 at 1.87M people compared to the peak of 23.3M people in 2051 for Sri Lanka.

Population growth rate by year

Solomon Islands
Factual

Projection
Sri Lanka
Factual

Projection
1x
Year Growth rate
Solomon Islands Sri Lanka
2100 0.22% -0.56%
2099 0.23% -0.56%
2098 0.25% -0.55%
2097 0.26% -0.54%
2096 0.29% -0.53%
2095 0.29% -0.52%
2094 0.32% -0.51%
2093 0.35% -0.5%
2092 0.36% -0.49%
2091 0.38% -0.5%
2090 0.39% -0.49%
2089 0.41% -0.47%
2088 0.42% -0.46%
2087 0.44% -0.46%
2086 0.46% -0.45%
2085 0.48% -0.43%
2084 0.5% -0.42%
2083 0.52% -0.4%
2082 0.54% -0.4%
2081 0.57% -0.38%
2080 0.58% -0.38%
2079 0.61% -0.35%
2078 0.63% -0.33%
2077 0.66% -0.32%
2076 0.67% -0.31%
2075 0.68% -0.31%
2074 0.72% -0.29%
2073 0.74% -0.27%
2072 0.77% -0.26%
2071 0.79% -0.25%
2070 0.81% -0.23%
2069 0.84% -0.23%
2068 0.86% -0.24%
2067 0.88% -0.21%
2066 0.9% -0.22%
2065 0.93% -0.19%
2064 0.95% -0.17%
2063 0.97% -0.16%
2062 1% -0.14%
2061 1.01% -0.14%
2060 1.04% -0.12%
2059 1.07% -0.11%
2058 1.08% -0.1%
2057 1.11% -0.09%
2056 1.14% -0.05%
2055 1.16% -0.04%
2054 1.19% -0.04%
2053 1.22% -0.02%
2052 1.24% -0.004%
2051 1.28% 0.01%
2050 1.3% 0.02%
2049 1.33% 0.04%
2048 1.36% 0.07%
2047 1.39% 0.1%
2046 1.43% 0.14%
2045 1.46% 0.13%
2044 1.5% 0.16%
2043 1.54% 0.18%
2042 1.56% 0.2%
2041 1.61% 0.22%
2040 1.68% 0.25%
2039 1.75% 0.26%
2038 1.81% 0.29%
2037 1.88% 0.29%
2036 1.95% 0.31%
2035 2% 0.33%
2034 2.05% 0.35%
2033 2.11% 0.37%
2032 2.14% 0.38%
2031 2.18% 0.41%
2030 2.22% 0.42%
2029 2.25% 0.45%
2028 2.3% 0.47%
2027 2.32% 0.5%
2026 2.36% 0.52%
2025 2.37% -0.73%
2024 2.4% -0.55%
2023 2.42% -0.65%
2022 2.42% 0.11%
2021 2.43% 1.08%
2020 2.25% 0.53%
2019 2.69% 0.61%
2018 3.42% 1.01%
2017 3.52% 1.15%
2016 3.59% 1.14%
2015 3.65% 0.92%
2014 3.69% 0.94%
2013 3.72% -2.76%
2012 3.74% 0.76%
2011 3.75% 0.62%
2010 2.86% 0.59%
2009 1.84% 0.62%
2008 1.73% 0.67%
2007 1.74% 0.69%
2006 1.76% 0.67%
2005 1.78% 0.64%
2004 1.81% 0.68%
2003 1.85% 0.74%
2002 1.9% 1.05%
2001 1.97% 1.59%
2000 2.32% 1.84%
1999 2.73% 1.88%
1998 2.85% 1.91%
1997 2.9% 1.92%
1996 2.93% 1.94%
1995 2.96% 1.67%
1994 2.99% 1.47%
1993 3.02% 1.71%
1992 3.06% 1.6%
1991 3.11% 0.75%
1990 3.16% 0.64%
1989 3.22% 1.06%
1988 3.27% 1.02%
1987 3.28% 1.18%
1986 3.32% 1.2%
1985 3.4% 0.66%
1984 3.44% 0.34%
1983 3.47% 0.67%
1982 3.51% 1.24%
1981 3.54% 1.69%
1980 3.56% 1.84%
1979 3.57% 1.88%
1978 3.55% 1.86%
1977 3.49% 1.83%
1976 3.21% 1.83%
1975 2.92% 1.83%
1974 2.78% 1.87%
1973 2.58% 1.97%
1972 2.41% 2.05%
1971 2.3% 2.16%
1970 2.38% 2.27%
1969 2.49% 2.37%
1968 2.46% 2.43%
1967 2.4% 2.44%
1966 2.37% 2.45%
1965 2.35% 2.47%
1964 2.34% 2.49%
1963 2.32% 2.48%
1962 2.3% 2.47%
1961 2.31% 2.46%

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/sri-lanka | CC BY

In 2025, the population of the Solomon Islands grew by 2.37%, while Sri Lanka's population declined by 0.73%.

Live population counters

Solomon Islands Sri Lanka
Current population
868694
21926160
Population rank 161/197 63/197
Percent of world population 0.01% 0.26%
One net population change
27.1 minutes
3.29 minutes
One birth every
24 minutes
2.37 minutes
One death every
2.1 hours
3.07 minutes
Daily growth/decline +53 -438
Annual growth/decline +19,447 -160,000
Annual growth/decline rate +2.37% -0.73%
Population growth rate rank 32/197 190/197
One migration net change every
5.39 hours
17.2 minutes
Annual migration change +1,631 -30,724
Net migration rank 59/196 165/196
Foreign-born residents 2,469 40,698
Foreign-born residents rank 192/195 156/195
Foreign-born share of population 0.3% 0.2%
Foreign-born share rank 184/195 190/195

Natural population change vs migration

Solomon Islands
Natural

Migration
Sri Lanka
Natural

Migration
1x
Year Population change
Solomon Islands Sri Lanka
Natural Migration Natural Migration
2025 - 1,631 - -30,724
2024 17,715 1,610 50,407 -27,245
2023 17,436 1,636 66,111 -28,011
2022 17,253 1,567 95,378 -27,435
2021 16,626 1,499 121,858 -29,586
2020 16,488 1,556 170,968 -29,875
2019 16,649 -1,990 172,243 -28,426
2018 16,790 6,653 183,610 -28,607
2017 16,897 6,513 187,993 -22,324
2016 17,027 6,146 194,232 -18,388
2015 16,909 5,853 201,815 -29,797
2014 16,652 5,598 211,541 -33,672
2013 16,038 5,631 221,021 -37,754
2012 15,585 5,420 229,138 -41,955
2011 15,095 5,219 224,461 -90,839
2010 14,604 5,040 224,325 -98,060
2009 14,381 -4,360 200,175 -81,130
2008 14,225 -5,538 232,225 -97,144
2007 13,963 -5,383 248,287 -109,695
2006 13,799 -5,262 248,706 -107,045
2005 13,568 -5,082 248,683 -118,594
2004 13,444 -4,985 212,527 -84,795
2003 13,344 -4,881 252,008 -107,573
2002 13,195 -4,691 252,840 -105,718
2001 13,061 -4,474 244,377 19,273
2000 12,938 -4,219 227,060 123,894
1999 12,809 -1,588 206,876 138,799
1998 12,658 -1,019 201,059 150,724
1997 12,478 -931 208,193 135,636
1996 12,328 -947 215,290 127,236
1995 12,124 -952 221,957 117,416
1994 11,771 -828 228,904 8,323
1993 11,396 -665 226,257 36,232
1992 11,029 -482 222,230 88,542
1991 10,789 -410 218,117 -1,047
1990 10,561 -335 224,454 -195,736
1989 10,354 -270 212,401 -33,305
1988 10,142 -197 219,184 -58,415
1987 9,943 -179 226,414 -63,105
1986 9,656 -269 233,782 -26,460
1985 9,534 -150 247,836 -80,950
1984 9,299 -102 263,175 -225,450
1983 9,011 -30 277,768 -209,362
1982 8,720 40 300,030 -163,987
1981 8,436 99 328,096 -89,824
1980 8,156 151 328,155 -63,541
1979 7,874 188 329,791 -57,683
1978 7,598 174 317,055 -50,189
1977 7,290 159 300,038 -45,383
1976 7,058 -48 291,816 -41,258
1975 6,635 -760 282,496 -37,475
1974 6,612 -1,084 275,521 -33,979
1973 6,343 -1,329 278,577 -30,582
1972 6,074 -1,520 282,494 -27,071
1971 5,814 -1,646 281,200 -22,021
1970 5,575 -1,632 286,719 -16,299
1969 5,444 -1,187 286,218 -10,152
1968 5,285 -1,154 286,642 -7,163
1967 5,151 -1,213 284,738 -6,696
1966 5,028 -1,256 275,549 -6,794
1965 4,885 -1,237 272,422 -7,249
1964 4,747 -1,200 269,584 -7,614
1963 4,571 -1,129 262,880 -8,118
1962 4,408 -1,073 256,719 -8,909
1961 4,257 -1,016 251,087 -10,144
1960 4,119 -917 247,631 -12,610

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/solomon-islands/sri-lanka | 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 Sri Lanka 84.3% is from natural causes (a gain of 1,444,615 people) and 15.7% is from migration (a loss of 269,694 people).

As of 2024, 2,469 residents or 0.3% of the population were not native-born in the Solomon Islands, compared to 40,698 people or 0.2% in Sri Lanka.

Biggest cities by population

Solomon Islands
City Population
Honiara 84.5K
Auki 6.81K
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 map with other countries

1x

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/sri-lanka | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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