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Population in the Solomon Islands compared to the United Kingdom: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of the Solomon Islands was 838,645 in 2025 vs 69,487,000 people in the United Kingdom in 2025. In 2026, based on the adjusted UN estimation, the current Solomon Islands' population is 868,694 people compared to 70,071,289 in the United Kingdom.

Population statistics:

  • The United Kingdom's population is 80.7 times bigger than the Solomon Islands'.
  • The Solomon Islands is ranked the 161st most populous country in the world, while the United Kingdom is the 22nd.
  • The countries together account for 0.85% of the world: 0.01% for the Solomon Islands vs 0.84% for the United Kingdom.
  • For the last 10 years, the Solomon Islands has had an average growth rate of +2.83% per year vs +0.66% in the United Kingdom.
  • Since 2006, the population of the Solomon Islands has increased from 492K people to 869K (76.7% growth), while the United Kingdom has grown from 60.8M to 70.1M (15.2% growth).

Solomon Islands vs United Kingdom: population by year and forecast

Solomon Islands
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Population
Solomon Islands United Kingdom
2100 1,869,132 74,517,005
2099 1,865,051 74,647,273
2098 1,860,822 74,766,073
2097 1,856,197 74,879,923
2096 1,851,361 74,991,940
2095 1,846,006 75,102,041
2094 1,840,576 75,198,597
2093 1,834,659 75,296,704
2092 1,828,323 75,390,038
2091 1,821,781 75,480,137
2090 1,814,933 75,566,962
2089 1,807,885 75,649,353
2088 1,800,523 75,721,067
2087 1,792,919 75,791,990
2086 1,784,993 75,859,854
2085 1,776,798 75,918,647
2084 1,768,230 75,969,065
2083 1,759,388 76,018,614
2082 1,750,221 76,059,464
2081 1,740,741 76,086,593
2080 1,730,900 76,118,679
2079 1,720,938 76,147,352
2078 1,710,578 76,165,841
2077 1,699,838 76,183,437
2076 1,688,671 76,185,828
2075 1,677,384 76,198,349
2074 1,665,984 76,209,676
2073 1,654,063 76,218,781
2072 1,641,845 76,211,187
2071 1,629,270 76,200,495
2070 1,616,540 76,190,801
2069 1,603,485 76,184,140
2068 1,590,112 76,183,288
2067 1,576,525 76,175,881
2066 1,562,815 76,168,987
2065 1,548,873 76,168,193
2064 1,534,676 76,165,129
2063 1,520,167 76,165,534
2062 1,505,610 76,158,910
2061 1,490,754 76,156,587
2060 1,475,849 76,157,104
2059 1,460,639 76,157,593
2058 1,445,210 76,139,384
2057 1,429,794 76,119,478
2056 1,414,149 76,086,799
2055 1,398,271 76,047,952
2054 1,382,259 75,980,524
2053 1,366,025 75,907,047
2052 1,349,539 75,815,200
2051 1,332,975 75,709,173
2050 1,316,163 75,591,218
2049 1,299,210 75,460,140
2048 1,282,103 75,313,837
2047 1,264,854 75,153,802
2046 1,247,457 74,986,563
2045 1,229,853 74,808,886
2044 1,212,131 74,623,687
2043 1,194,206 74,424,133
2042 1,176,128 74,224,922
2041 1,158,032 74,020,934
2040 1,139,694 73,812,680
2039 1,120,879 73,600,788
2038 1,101,654 73,378,310
2037 1,082,017 73,155,497
2036 1,062,068 72,921,995
2035 1,041,799 72,671,687
2034 1,021,368 72,418,766
2033 1,000,876 72,145,065
2032 980,211 71,869,259
2031 959,672 71,581,519
2030 939,186 71,267,237
2029 918,810 70,948,992
2028 898,552 70,609,246
2027 878,392 70,248,858
2026 858,453 69,883,746
2025 838,645 69,487,000
2024 819,198 69,281,000
2023 800,005 68,526,000
2022 781,066 67,636,000
2021 762,591 66,978,000
2020 744,498 66,740,000
2019 728,147 66,628,000
2018 709,101 66,287,000
2017 685,672 65,964,000
2016 662,379 65,606,000
2015 639,415 65,087,000
2014 616,908 64,619,000
2013 594,945 64,138,000
2012 573,606 63,711,000
2011 552,945 63,258,810
2010 532,968 62,766,365
2009 518,141 62,276,270
2008 508,790 61,806,995
2007 500,156 61,322,463
2006 491,594 60,846,820
2005 483,080 60,401,206
2004 474,611 59,987,905
2003 466,154 59,647,577
2002 457,671 59,370,479
2001 449,125 59,119,673
2000 440,469 58,892,514
1999 430,500 58,682,466
1998 419,071 58,487,141
1997 407,474 58,316,954
1996 396,009 58,166,950
1995 384,733 58,019,030
1994 373,675 57,865,745
1993 362,839 57,718,614
1992 352,205 57,580,402
1991 341,738 57,424,897
1990 331,435 57,247,586
1989 321,282 57,076,711
1988 311,265 56,928,327
1987 301,414 56,802,050
1986 291,842 56,681,396
1985 282,455 56,550,268
1984 273,163 56,422,072
1983 264,068 56,332,848
1982 255,200 56,313,641
1981 246,555 56,333,829
1980 238,135 56,314,216
1979 229,953 56,246,951
1978 222,029 56,196,504
1977 214,418 56,193,492
1976 207,194 56,211,968
1975 200,744 56,225,800
1974 195,041 56,229,974
1973 189,774 56,194,527
1972 184,994 56,086,065
1971 180,637 55,896,223
1970 176,579 55,663,250
1969 172,476 55,441,750
1968 168,282 55,211,700
1967 164,245 54,943,600
1966 160,393 54,648,500
1965 156,686 54,348,050
1964 153,085 54,000,000
1963 149,589 53,650,000
1962 146,201 53,250,000
1961 142,912 52,800,000
1960 139,688 52,400,000

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/united-kingdom | CC BY

From 2006 to 2016, the population of the Solomon Islands increased by 170,785 people (a 34.7% growth), while the United Kingdom gained 4,759,180 people (a 7.82% growth).

For the next 10 years, from 2016 to 2026, the Solomon Islands gained 206,315 people (a 31.1% growth), while the United Kingdom's population increased by 4,465,289 people (a 6.81% growth).

The Solomon Islands was ranked 165th most populous country in 2006 and is 161st in 2026. The United Kingdom was ranked 21st in 2006 and ranked 22nd 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 the United Kingdom will increase by 7.88% to 75,591,218 people and rank change from 22nd to 26th.

The Solomon Islands is projected to reach its peak in 2100 at 1.87M people compared to the peak of 76.2M people in 2073 for the United Kingdom.

Population growth rate by year

Solomon Islands
Factual

Projection
United Kingdom
Factual

Projection
1x
Year Growth rate
Solomon Islands United Kingdom
2100 0.22% -0.17%
2099 0.23% -0.16%
2098 0.25% -0.15%
2097 0.26% -0.15%
2096 0.29% -0.15%
2095 0.29% -0.13%
2094 0.32% -0.13%
2093 0.35% -0.12%
2092 0.36% -0.12%
2091 0.38% -0.11%
2090 0.39% -0.11%
2089 0.41% -0.09%
2088 0.42% -0.09%
2087 0.44% -0.09%
2086 0.46% -0.08%
2085 0.48% -0.07%
2084 0.5% -0.07%
2083 0.52% -0.05%
2082 0.54% -0.04%
2081 0.57% -0.04%
2080 0.58% -0.04%
2079 0.61% -0.02%
2078 0.63% -0.02%
2077 0.66% -0.003%
2076 0.67% -0.02%
2075 0.68% -0.01%
2074 0.72% -0.01%
2073 0.74% 0.01%
2072 0.77% 0.01%
2071 0.79% 0.01%
2070 0.81% 0.009%
2069 0.84% 0.001%
2068 0.86% 0.01%
2067 0.88% 0.009%
2066 0.9% 0.001%
2065 0.93% 0.004%
2064 0.95% -0%
2063 0.97% 0.009%
2062 1% 0.003%
2061 1.01% -0.001%
2060 1.04% -0.001%
2059 1.07% 0.02%
2058 1.08% 0.03%
2057 1.11% 0.04%
2056 1.14% 0.05%
2055 1.16% 0.09%
2054 1.19% 0.1%
2053 1.22% 0.12%
2052 1.24% 0.14%
2051 1.28% 0.16%
2050 1.3% 0.17%
2049 1.33% 0.19%
2048 1.36% 0.21%
2047 1.39% 0.22%
2046 1.43% 0.24%
2045 1.46% 0.25%
2044 1.5% 0.27%
2043 1.54% 0.27%
2042 1.56% 0.28%
2041 1.61% 0.28%
2040 1.68% 0.29%
2039 1.75% 0.3%
2038 1.81% 0.3%
2037 1.88% 0.32%
2036 1.95% 0.34%
2035 2% 0.35%
2034 2.05% 0.38%
2033 2.11% 0.38%
2032 2.14% 0.4%
2031 2.18% 0.44%
2030 2.22% 0.45%
2029 2.25% 0.48%
2028 2.3% 0.51%
2027 2.32% 0.52%
2026 2.36% 0.57%
2025 2.37% 0.3%
2024 2.4% 1.1%
2023 2.42% 1.32%
2022 2.42% 0.98%
2021 2.43% 0.36%
2020 2.25% 0.17%
2019 2.69% 0.51%
2018 3.42% 0.49%
2017 3.52% 0.55%
2016 3.59% 0.8%
2015 3.65% 0.72%
2014 3.69% 0.75%
2013 3.72% 0.67%
2012 3.74% 0.71%
2011 3.75% 0.78%
2010 2.86% 0.79%
2009 1.84% 0.76%
2008 1.73% 0.79%
2007 1.74% 0.78%
2006 1.76% 0.74%
2005 1.78% 0.69%
2004 1.81% 0.57%
2003 1.85% 0.47%
2002 1.9% 0.42%
2001 1.97% 0.39%
2000 2.32% 0.36%
1999 2.73% 0.33%
1998 2.85% 0.29%
1997 2.9% 0.26%
1996 2.93% 0.25%
1995 2.96% 0.26%
1994 2.99% 0.25%
1993 3.02% 0.24%
1992 3.06% 0.27%
1991 3.11% 0.31%
1990 3.16% 0.3%
1989 3.22% 0.26%
1988 3.27% 0.22%
1987 3.28% 0.21%
1986 3.32% 0.23%
1985 3.4% 0.23%
1984 3.44% 0.16%
1983 3.47% 0.03%
1982 3.51% -0.04%
1981 3.54% 0.03%
1980 3.56% 0.12%
1979 3.57% 0.09%
1978 3.55% 0.005%
1977 3.49% -0.03%
1976 3.21% -0.02%
1975 2.92% -0.007%
1974 2.78% 0.06%
1973 2.58% 0.19%
1972 2.41% 0.34%
1971 2.3% 0.42%
1970 2.38% 0.4%
1969 2.49% 0.42%
1968 2.46% 0.49%
1967 2.4% 0.54%
1966 2.37% 0.55%
1965 2.35% 0.64%
1964 2.34% 0.65%
1963 2.32% 0.75%
1962 2.3% 0.85%
1961 2.31% 0.76%

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/united-kingdom | CC BY

In 2025, the population of the Solomon Islands grew by 2.37%, while the United Kingdom's population grew by 0.3%.

Live population counters

Solomon Islands United Kingdom
Current population
868694
70071289
Population rank 161/197 22/197
Percent of world population 0.01% 0.84%
One net population change
27.1 minutes
2.56 minutes
One birth every
24 minutes
46 seconds
One death every
2.1 hours
46.9 seconds
Daily growth/decline +53 +564
Annual growth/decline +19,447 +206,000
Annual growth/decline rate +2.37% +0.3%
Population growth rate rank 32/197 145/197
One migration net change every
5.39 hours
1.35 minutes
Annual migration change +1,631 +389,911
Net migration rank 59/196 4/196
Foreign-born residents 2,469 11,845,479
Foreign-born residents rank 192/195 4/195
Foreign-born share of population 0.3% 17.1%
Foreign-born share rank 184/195 36/195

Natural population change vs migration

Solomon Islands
Natural

Migration
United Kingdom
Natural

Migration
1x
Year Population change
Solomon Islands United Kingdom
Natural Migration Natural Migration
2025 - 1,631 - 389,911
2024 17,715 1,610 13,233 417,114
2023 17,436 1,636 34,606 445,523
2022 17,253 1,567 39,770 487,029
2021 16,626 1,499 30,609 462,967
2020 16,488 1,556 -4,272 144,221
2019 16,649 -1,990 108,338 232,727
2018 16,790 6,653 119,317 259,744
2017 16,897 6,513 145,121 272,311
2016 17,027 6,146 177,136 324,649
2015 16,909 5,853 175,735 347,839
2014 16,652 5,598 206,781 306,091
2013 16,038 5,631 198,827 237,272
2012 15,585 5,420 248,473 172,088
2011 15,095 5,219 259,361 228,773
2010 14,604 5,040 251,066 274,811
2009 14,381 -4,360 230,422 249,639
2008 14,225 -5,538 216,325 263,390
2007 13,963 -5,383 196,232 309,385
2006 13,799 -5,262 176,455 288,923
2005 13,568 -5,082 144,963 308,279
2004 13,444 -4,985 131,974 276,077
2003 13,344 -4,881 89,471 211,846
2002 13,195 -4,691 65,308 203,577
2001 13,061 -4,474 65,032 175,133
2000 12,938 -4,219 70,671 153,917
1999 12,809 -1,588 64,551 152,653
1998 12,658 -1,019 87,730 125,541
1997 12,478 -931 99,138 59,723
1996 12,328 -947 98,884 54,964
1995 12,124 -952 87,028 61,385
1994 11,771 -828 127,304 45,339
1993 11,396 -665 103,893 27,403
1992 11,029 -482 149,709 17,846
1991 10,789 -410 143,562 27,601
1990 10,561 -335 154,569 57,132
1989 10,354 -270 119,861 49,586
1988 10,142 -197 136,628 13,952
1987 9,943 -179 136,325 8,266
1986 9,656 -269 90,690 41,836
1985 9,534 -150 79,170 83,164
1984 9,299 -102 84,633 71,107
1983 9,011 -30 61,966 27,063
1982 8,720 40 56,314 -61,152
1981 8,436 99 73,234 -83,876
1980 8,156 151 95,734 -25,187
1979 7,874 188 61,872 11,255
1978 7,598 174 16,859 3,783
1977 7,290 159 0 -21,636
1976 7,058 -48 -5,621 -19,135
1975 6,635 -760 33,735 -40,241
1974 6,612 -1,084 67,476 -65,710
1973 6,343 -1,329 112,389 -33,840
1972 6,074 -1,520 162,650 -1,406
1971 5,814 -1,646 257,123 1,175
1970 5,575 -1,632 244,918 -15,254
1969 5,444 -1,187 260,577 -60,655
1968 5,285 -1,154 292,622 -38,852
1967 5,151 -1,213 346,145 -39,659
1966 5,028 -1,256 333,356 -27,935
1965 4,885 -1,237 364,132 -24,955
1964 4,747 -1,200 405,000 -23,885
1963 4,571 -1,129 337,995 8,271
1962 4,408 -1,073 340,800 76,443
1961 4,257 -1,016 311,519 52,295
1960 4,119 -917 314,400 19,953

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

GeoRank.org/population/solomon-islands/united-kingdom | 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 the United Kingdom 19.8% is from natural causes (a gain of 839,593 people) and 80.2% is from migration (a gain of 3,394,124 people).

As of 2024, 2,469 residents or 0.3% of the population were not native-born in the Solomon Islands, compared to 11,845,479 people or 17.1% in the United Kingdom.

Biggest cities by population

Solomon Islands
City Population
Honiara 84.5K
Auki 6.81K
United Kingdom
City Population
London 8.8M
Birmingham 1.14M
Glasgow 626K
Manchester 548K
Leeds 536K
Sheffield 518K
Liverpool 513K
Edinburgh 488K
Bristol 472K
Cardiff 384K

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/united-kingdom | 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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