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

Updated on by Georank

The latest officially reported population of the Solomon Islands was 838,645 in 2025 vs 49,355,143 people in Spain in 2025. In 2026, based on the adjusted UN estimation, the current Solomon Islands' population is 868,694 people compared to 49,323,658 in Spain.

Population statistics:

  • Spain's population is 56.8 times bigger than the Solomon Islands'.
  • The Solomon Islands is ranked the 161st most populous country in the world, while Spain is the 32nd.
  • The countries together account for 0.6% of the world: 0.01% for the Solomon Islands vs 0.59% for Spain.
  • For the last 10 years, the Solomon Islands has had an average growth rate of +2.83% per year vs +0.55% in Spain.
  • Since 2006, the population of the Solomon Islands has increased from 492K people to 869K (76.7% growth), while Spain has grown from 44.4M to 49.3M (11.1% growth).

Solomon Islands vs Spain: population by year and forecast

Solomon Islands
Factual

Projection
Spain
Factual

Projection
1x
Year Population
Solomon Islands Spain
2100 1,869,132 34,221,514
2099 1,865,051 34,400,373
2098 1,860,822 34,577,450
2097 1,856,197 34,751,199
2096 1,851,361 34,917,831
2095 1,846,006 35,087,012
2094 1,840,576 35,251,362
2093 1,834,659 35,415,082
2092 1,828,323 35,577,396
2091 1,821,781 35,741,351
2090 1,814,933 35,912,083
2089 1,807,885 36,086,009
2088 1,800,523 36,257,546
2087 1,792,919 36,424,826
2086 1,784,993 36,594,101
2085 1,776,798 36,771,456
2084 1,768,230 36,951,760
2083 1,759,388 37,138,777
2082 1,750,221 37,327,720
2081 1,740,741 37,527,142
2080 1,730,900 37,732,838
2079 1,720,938 37,949,144
2078 1,710,578 38,171,047
2077 1,699,838 38,405,329
2076 1,688,671 38,654,221
2075 1,677,384 38,913,733
2074 1,665,984 39,188,284
2073 1,654,063 39,469,767
2072 1,641,845 39,765,059
2071 1,629,270 40,062,070
2070 1,616,540 40,372,388
2069 1,603,485 40,682,818
2068 1,590,112 41,005,148
2067 1,576,525 41,326,772
2066 1,562,815 41,654,672
2065 1,548,873 41,983,104
2064 1,534,676 42,321,736
2063 1,520,167 42,655,212
2062 1,505,610 42,993,328
2061 1,490,754 43,328,037
2060 1,475,849 43,648,753
2059 1,460,639 43,967,376
2058 1,445,210 44,273,756
2057 1,429,794 44,579,723
2056 1,414,149 44,885,952
2055 1,398,271 45,164,935
2054 1,382,259 45,434,986
2053 1,366,025 45,702,038
2052 1,349,539 45,951,973
2051 1,332,975 46,179,119
2050 1,316,163 46,397,620
2049 1,299,210 46,616,167
2048 1,282,103 46,812,693
2047 1,264,854 47,002,591
2046 1,247,457 47,182,235
2045 1,229,853 47,354,908
2044 1,212,131 47,514,076
2043 1,194,206 47,657,627
2042 1,176,128 47,801,904
2041 1,158,032 47,936,819
2040 1,139,694 48,066,825
2039 1,120,879 48,190,225
2038 1,101,654 48,304,880
2037 1,082,017 48,418,168
2036 1,062,068 48,528,778
2035 1,041,799 48,633,960
2034 1,021,368 48,730,594
2033 1,000,876 48,823,356
2032 980,211 48,914,944
2031 959,672 49,008,735
2030 939,186 49,094,273
2029 918,810 49,163,780
2028 898,552 49,223,677
2027 878,392 49,274,441
2026 858,453 49,323,658
2025 838,645 49,355,143
2024 819,198 48,848,840
2023 800,005 48,352,528
2022 781,066 47,786,102
2021 762,591 47,443,821
2020 744,498 47,359,424
2019 728,147 47,118,501
2018 709,101 46,782,011
2017 685,672 46,571,232
2016 662,379 46,458,139
2015 639,415 46,422,303
2014 616,908 46,460,733
2013 594,945 46,604,197
2012 573,606 46,773,055
2011 552,945 46,742,697
2010 532,968 46,576,897
2009 518,141 46,362,946
2008 508,790 45,954,106
2007 500,156 45,226,803
2006 491,594 44,397,319
2005 483,080 43,653,155
2004 474,611 42,921,895
2003 466,154 42,187,645
2002 457,671 41,431,558
2001 449,125 40,850,412
2000 440,469 40,567,864
1999 430,500 40,386,875
1998 419,071 40,223,509
1997 407,474 40,057,389
1996 396,009 39,889,852
1995 384,733 39,724,050
1994 373,675 39,549,108
1993 362,839 39,361,262
1992 352,205 39,157,685
1991 341,738 38,966,376
1990 331,435 38,867,322
1989 321,282 38,827,764
1988 311,265 38,766,939
1987 301,414 38,684,815
1986 291,842 38,584,624
1985 282,455 38,469,512
1984 273,163 38,330,364
1983 264,068 38,171,525
1982 255,200 37,986,012
1981 246,555 37,758,631
1980 238,135 37,491,165
1979 229,953 37,191,330
1978 222,029 36,864,898
1977 214,418 36,511,638
1976 207,194 36,137,812
1975 200,744 35,757,900
1974 195,041 35,373,335
1973 189,774 34,988,947
1972 184,994 34,604,469
1971 180,637 34,224,490
1970 176,579 33,814,531
1969 172,476 33,441,054
1968 168,282 33,113,134
1967 164,245 32,682,947
1966 160,393 32,283,194
1965 156,686 31,954,292
1964 153,085 31,609,195
1963 149,589 31,296,651
1962 146,201 31,023,366
1961 142,912 30,739,250
1960 139,688 30,455,000

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/spain | CC BY

From 2006 to 2016, the population of the Solomon Islands increased by 170,785 people (a 34.7% growth), while Spain gained 2,060,820 people (a 4.64% growth).

For the next 10 years, from 2016 to 2026, the Solomon Islands gained 206,315 people (a 31.1% growth), while Spain's population increased by 2,865,519 people (a 6.17% growth).

The Solomon Islands was ranked 165th most populous country in 2006 and is 161st in 2026. Spain was ranked 28th in 2006 and ranked 32nd 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 Spain will decrease by 5.93% to 46,397,620 people and rank change from 32nd to 46th.

The Solomon Islands is projected to reach its peak in 2100 at 1.87M people, while Spain's population already peaked in 2025 at 49.4M people and is projected to decrease to 34.2M people by 2100.

Population growth rate by year

Solomon Islands
Factual

Projection
Spain
Factual

Projection
1x
Year Growth rate
Solomon Islands Spain
2100 0.22% -0.52%
2099 0.23% -0.51%
2098 0.25% -0.5%
2097 0.26% -0.48%
2096 0.29% -0.48%
2095 0.29% -0.47%
2094 0.32% -0.46%
2093 0.35% -0.46%
2092 0.36% -0.46%
2091 0.38% -0.48%
2090 0.39% -0.48%
2089 0.41% -0.47%
2088 0.42% -0.46%
2087 0.44% -0.46%
2086 0.46% -0.48%
2085 0.48% -0.49%
2084 0.5% -0.5%
2083 0.52% -0.51%
2082 0.54% -0.53%
2081 0.57% -0.55%
2080 0.58% -0.57%
2079 0.61% -0.58%
2078 0.63% -0.61%
2077 0.66% -0.64%
2076 0.67% -0.67%
2075 0.68% -0.7%
2074 0.72% -0.71%
2073 0.74% -0.74%
2072 0.77% -0.74%
2071 0.79% -0.77%
2070 0.81% -0.76%
2069 0.84% -0.79%
2068 0.86% -0.78%
2067 0.88% -0.79%
2066 0.9% -0.78%
2065 0.93% -0.8%
2064 0.95% -0.78%
2063 0.97% -0.79%
2062 1% -0.77%
2061 1.01% -0.73%
2060 1.04% -0.72%
2059 1.07% -0.69%
2058 1.08% -0.69%
2057 1.11% -0.68%
2056 1.14% -0.62%
2055 1.16% -0.59%
2054 1.19% -0.58%
2053 1.22% -0.54%
2052 1.24% -0.49%
2051 1.28% -0.47%
2050 1.3% -0.47%
2049 1.33% -0.42%
2048 1.36% -0.4%
2047 1.39% -0.38%
2046 1.43% -0.36%
2045 1.46% -0.33%
2044 1.5% -0.3%
2043 1.54% -0.3%
2042 1.56% -0.28%
2041 1.61% -0.27%
2040 1.68% -0.26%
2039 1.75% -0.24%
2038 1.81% -0.23%
2037 1.88% -0.23%
2036 1.95% -0.22%
2035 2% -0.2%
2034 2.05% -0.19%
2033 2.11% -0.19%
2032 2.14% -0.19%
2031 2.18% -0.17%
2030 2.22% -0.14%
2029 2.25% -0.12%
2028 2.3% -0.1%
2027 2.32% -0.1%
2026 2.36% -0.06%
2025 2.37% 1.04%
2024 2.4% 1.03%
2023 2.42% 1.19%
2022 2.42% 0.72%
2021 2.43% 0.18%
2020 2.25% 0.51%
2019 2.69% 0.72%
2018 3.42% 0.45%
2017 3.52% 0.24%
2016 3.59% 0.08%
2015 3.65% -0.08%
2014 3.69% -0.31%
2013 3.72% -0.36%
2012 3.74% 0.06%
2011 3.75% 0.36%
2010 2.86% 0.46%
2009 1.84% 0.89%
2008 1.73% 1.61%
2007 1.74% 1.87%
2006 1.76% 1.7%
2005 1.78% 1.7%
2004 1.81% 1.74%
2003 1.85% 1.82%
2002 1.9% 1.42%
2001 1.97% 0.7%
2000 2.32% 0.45%
1999 2.73% 0.41%
1998 2.85% 0.41%
1997 2.9% 0.42%
1996 2.93% 0.42%
1995 2.96% 0.44%
1994 2.99% 0.48%
1993 3.02% 0.52%
1992 3.06% 0.49%
1991 3.11% 0.25%
1990 3.16% 0.1%
1989 3.22% 0.16%
1988 3.27% 0.21%
1987 3.28% 0.26%
1986 3.32% 0.3%
1985 3.4% 0.36%
1984 3.44% 0.42%
1983 3.47% 0.49%
1982 3.51% 0.6%
1981 3.54% 0.71%
1980 3.56% 0.81%
1979 3.57% 0.89%
1978 3.55% 0.97%
1977 3.49% 1.03%
1976 3.21% 1.06%
1975 2.92% 1.09%
1974 2.78% 1.1%
1973 2.58% 1.11%
1972 2.41% 1.11%
1971 2.3% 1.21%
1970 2.38% 1.12%
1969 2.49% 0.99%
1968 2.46% 1.32%
1967 2.4% 1.24%
1966 2.37% 1.03%
1965 2.35% 1.09%
1964 2.34% 1%
1963 2.32% 0.88%
1962 2.3% 0.92%
1961 2.31% 0.93%

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/spain | CC BY

In 2025, the population of the Solomon Islands grew by 2.37%, while Spain's population grew by 1.04%.

Live population counters

Solomon Islands Spain
Current population
868694
49323658
Population rank 161/197 32/197
Percent of world population 0.01% 0.59%
One net population change
27.1 minutes
1.04 minutes
One birth every
24 minutes
1.66 minutes
One death every
2.1 hours
1.21 minutes
Daily growth/decline +53 +1,387
Annual growth/decline +19,447 +506,303
Annual growth/decline rate +2.37% +1.04%
Population growth rate rank 32/197 98/197
One migration net change every
5.39 hours
5.45 minutes
Annual migration change +1,631 +96,630
Net migration rank 59/196 17/196
Foreign-born residents 2,469 8,870,527
Foreign-born residents rank 192/195 6/195
Foreign-born share of population 0.3% 18.5%
Foreign-born share rank 184/195 32/195

Natural population change vs migration

Solomon Islands
Natural

Migration
Spain
Natural

Migration
1x
Year Population change
Solomon Islands Spain
Natural Migration Natural Migration
2025 - 1,631 - 96,630
2024 17,715 1,610 -117,237 111,674
2023 17,436 1,636 -116,046 119,099
2022 17,253 1,567 -133,801 299,779
2021 16,626 1,499 -113,865 144,385
2020 16,488 1,556 -151,551 236,854
2019 16,649 -1,990 -56,542 464,783
2018 16,790 6,653 -56,139 337,467
2017 16,897 6,513 -32,600 201,135
2016 17,027 6,146 0 106,474
2015 16,909 5,853 -4,642 -1,979
2014 16,652 5,598 32,522 -97,870
2013 16,038 5,631 37,284 -250,741
2012 15,585 5,420 51,450 -153,486
2011 15,095 5,219 84,137 60,761
2010 14,604 5,040 102,469 69,406
2009 14,381 -4,360 106,635 129,557
2008 14,225 -5,538 133,267 434,135
2007 13,963 -5,383 108,545 772,317
2006 13,799 -5,262 110,994 659,720
2005 13,568 -5,082 78,576 629,803
2004 13,444 -4,985 85,844 661,158
2003 13,344 -4,881 54,844 658,428
2002 13,195 -4,691 53,861 737,880
2001 13,061 -4,474 44,936 181,307
2000 12,938 -4,219 36,512 176,269
1999 12,809 -1,588 8,077 178,559
1998 12,658 -1,019 4,022 182,926
1997 12,478 -931 20,028 165,345
1996 12,328 -947 11,967 162,704
1995 12,124 -952 15,889 162,434
1994 11,771 -828 31,639 160,407
1993 11,396 -665 47,234 160,907
1992 11,029 -482 62,652 177,544
1991 10,789 -410 58,450 122,841
1990 10,561 -335 66,075 -30,684
1989 10,354 -270 81,538 -25,892
1988 10,142 -197 100,794 -17,663
1987 9,943 -179 116,054 -12,681
1986 9,656 -269 131,188 -13,540
1985 9,534 -150 146,184 -589
1984 9,299 -102 172,487 2,754
1983 9,011 -30 183,223 1,241
1982 8,720 40 231,714 -7,384
1981 8,436 99 237,879 2,563
1980 8,156 151 281,184 20,166
1979 7,874 188 312,407 -5,929
1978 7,598 174 339,157 -2,504
1977 7,290 159 361,465 -1,332
1976 7,058 -48 375,834 2,804
1975 6,635 -760 371,882 -218
1974 6,612 -1,084 396,182 105,838
1973 6,343 -1,329 374,381 8,624
1972 6,074 -1,520 391,030 7,935
1971 5,814 -1,646 369,625 7,363
1970 5,575 -1,632 378,723 -60,580
1969 5,444 -1,187 367,851 -49,956
1968 5,285 -1,154 387,423 -46,088
1967 5,151 -1,213 402,001 -42,344
1966 5,028 -1,256 397,084 -41,467
1965 4,885 -1,237 405,819 -42,476
1964 4,747 -1,200 429,885 -41,461
1963 4,571 -1,129 394,338 -44,446
1962 4,408 -1,073 384,690 -45,211
1961 4,257 -1,016 396,537 -46,517
1960 4,119 -917 398,960 -154,869

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

GeoRank.org/population/solomon-islands/spain | 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 Spain 27.9% is from natural causes (a loss of 782,423 people) and 72.1% is from migration (a gain of 2,019,671 people).

As of 2024, 2,469 residents or 0.3% of the population were not native-born in the Solomon Islands, compared to 8,870,527 people or 18.5% in Spain.

Biggest cities by population

Solomon Islands
City Population
Honiara 84.5K
Auki 6.81K
Spain
City Population
Madrid 3.51M
Barcelona 1.73M
Tenerife 955K
Valencia 841K
Zaragoza 693K
Seville 689K
Malaga 599K
Palma de Mallorca 435K
Las Palmas 382K
Alicante 366K

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/spain | 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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