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

Updated on by Georank

The latest officially reported population of Japan was 123,366,734 in 2025 vs 838,645 people in the Solomon Islands in 2025. In 2026, based on the adjusted UN estimation, the current Japan's population is 122,704,252 people compared to 868,694 in the Solomon Islands.

Population statistics:

  • Japan's population is 141.3 times bigger than the Solomon Islands'.
  • Japan is ranked the 12th most populous country in the world, while the Solomon Islands is the 161st.
  • The countries together account for 1.49% of the world: 1.48% for Japan vs 0.01% for the Solomon Islands.
  • For the last 10 years, Japan has had an average growth rate of -0.28% per year vs +2.83% in the Solomon Islands.
  • Since 2006, the population of Japan has decreased from 128M people to 123M (4.03% decline), while the Solomon Islands has grown from 492K to 869K (76.7% growth).

Japan vs Solomon Islands: population by year and forecast

Japan
Factual

Projection
Solomon Islands
Factual

Projection
1x
Year Population
Japan Solomon Islands
2100 76,995,942 1,869,132
2099 77,380,486 1,865,051
2098 77,759,557 1,860,822
2097 78,135,569 1,856,197
2096 78,515,892 1,851,361
2095 78,892,606 1,846,006
2094 79,267,768 1,840,576
2093 79,645,584 1,834,659
2092 80,025,578 1,828,323
2091 80,401,222 1,821,781
2090 80,778,500 1,814,933
2089 81,158,413 1,807,885
2088 81,539,639 1,800,523
2087 81,926,401 1,792,919
2086 82,322,612 1,784,993
2085 82,727,738 1,776,798
2084 83,141,354 1,768,230
2083 83,562,394 1,759,388
2082 83,998,809 1,750,221
2081 84,447,888 1,740,741
2080 84,918,455 1,730,900
2079 85,406,042 1,720,938
2078 85,916,840 1,710,578
2077 86,453,316 1,699,838
2076 87,012,155 1,688,671
2075 87,597,053 1,677,384
2074 88,209,803 1,665,984
2073 88,854,316 1,654,063
2072 89,519,055 1,641,845
2071 90,204,314 1,629,270
2070 90,919,143 1,616,540
2069 91,645,589 1,603,485
2068 92,388,299 1,590,112
2067 93,133,993 1,576,525
2066 93,889,902 1,562,815
2065 94,654,259 1,548,873
2064 95,412,429 1,534,676
2063 96,169,244 1,520,167
2062 96,924,236 1,505,610
2061 97,675,525 1,490,754
2060 98,422,553 1,475,849
2059 99,166,038 1,460,639
2058 99,890,950 1,445,210
2057 100,607,740 1,429,794
2056 101,318,164 1,414,149
2055 102,012,184 1,398,271
2054 102,706,063 1,382,259
2053 103,381,833 1,366,025
2052 104,059,800 1,349,539
2051 104,729,745 1,332,975
2050 105,400,477 1,316,163
2049 106,076,354 1,299,210
2048 106,754,699 1,282,103
2047 107,442,881 1,264,854
2046 108,139,155 1,247,457
2045 108,844,934 1,229,853
2044 109,553,441 1,212,131
2043 110,269,851 1,194,206
2042 110,992,599 1,176,128
2041 111,729,216 1,158,032
2040 112,463,507 1,139,694
2039 113,200,859 1,120,879
2038 113,940,856 1,101,654
2037 114,687,611 1,082,017
2036 115,436,359 1,062,068
2035 116,187,949 1,041,799
2034 116,936,734 1,021,368
2033 117,678,572 1,000,876
2032 118,419,247 980,211
2031 119,153,646 959,672
2030 119,882,512 939,186
2029 120,600,781 918,810
2028 121,314,239 898,552
2027 122,015,984 878,392
2026 122,704,252 858,453
2025 123,366,734 838,645
2024 123,975,371 819,198
2023 124,516,650 800,005
2022 125,124,989 781,066
2021 125,681,593 762,591
2020 126,261,000 744,498
2019 126,633,000 728,147
2018 126,811,000 709,101
2017 126,972,000 685,672
2016 127,076,000 662,379
2015 127,141,000 639,415
2014 127,276,000 616,908
2013 127,445,000 594,945
2012 127,629,000 573,606
2011 127,833,000 552,945
2010 128,070,000 532,968
2009 128,047,000 518,141
2008 128,063,000 508,790
2007 128,001,000 500,156
2006 127,854,000 491,594
2005 127,773,000 483,080
2004 127,761,000 474,611
2003 127,718,000 466,154
2002 127,445,000 457,671
2001 127,149,000 449,125
2000 126,843,000 440,469
1999 126,631,000 430,500
1998 126,400,000 419,071
1997 126,057,000 407,474
1996 125,757,000 396,009
1995 125,472,000 384,733
1994 125,178,000 373,675
1993 124,829,000 362,839
1992 124,425,000 352,205
1991 123,964,000 341,738
1990 123,478,000 331,435
1989 123,069,000 321,282
1988 122,578,000 311,265
1987 122,069,000 301,414
1986 121,482,000 291,842
1985 120,837,000 282,455
1984 120,083,000 273,163
1983 119,307,000 264,068
1982 118,480,000 255,200
1981 117,661,000 246,555
1980 116,807,000 238,135
1979 115,890,000 229,953
1978 114,913,000 222,029
1977 113,872,000 214,418
1976 112,775,000 207,194
1975 111,573,000 200,744
1974 110,162,000 195,041
1973 108,707,000 189,774
1972 107,188,000 184,994
1971 105,697,000 180,637
1970 103,403,000 176,579
1969 102,219,000 172,476
1968 101,011,000 168,282
1967 99,879,000 164,245
1966 98,851,000 160,393
1965 97,952,000 156,686
1964 96,903,000 153,085
1963 95,900,000 149,589
1962 94,933,000 146,201
1961 94,055,000 142,912
1960 93,216,000 139,688

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/japan/solomon-islands | CC BY

From 2006 to 2016, the population of Japan decreased by 778,000 people (a 0.61% decline), while the Solomon Islands gained 170,785 people (a 34.7% growth).

For the next 10 years, from 2016 to 2026, Japan lost 4,371,748 people (a 3.44% decline), while the Solomon Islands' population increased by 206,315 people (a 31.1% growth).

Japan was ranked 10th most populous country in 2006 and is 12th in 2026. The Solomon Islands was ranked 165th in 2006 and ranked 161st now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Japan's population will shrink by 14.1% to 105,400,477 people with a rank change from 12th to 17th. The population of the Solomon Islands will increase by 51.5% to 1,316,163 people and rank change from 161st to 156th.

The Solomon Islands is projected to reach its peak in 2100 at 1.87M people, while Japan's population already peaked in 2010 at 128M people and is projected to decrease to 77M people by 2100.

Population growth rate by year

Japan
Factual

Projection
Solomon Islands
Factual

Projection
1x
Year Growth rate
Japan Solomon Islands
2100 -0.5% 0.22%
2099 -0.49% 0.23%
2098 -0.48% 0.25%
2097 -0.48% 0.26%
2096 -0.48% 0.29%
2095 -0.47% 0.29%
2094 -0.47% 0.32%
2093 -0.47% 0.35%
2092 -0.47% 0.36%
2091 -0.47% 0.38%
2090 -0.47% 0.39%
2089 -0.47% 0.41%
2088 -0.47% 0.42%
2087 -0.48% 0.44%
2086 -0.49% 0.46%
2085 -0.5% 0.48%
2084 -0.5% 0.5%
2083 -0.52% 0.52%
2082 -0.53% 0.54%
2081 -0.55% 0.57%
2080 -0.57% 0.58%
2079 -0.59% 0.61%
2078 -0.62% 0.63%
2077 -0.64% 0.66%
2076 -0.67% 0.67%
2075 -0.69% 0.68%
2074 -0.73% 0.72%
2073 -0.74% 0.74%
2072 -0.76% 0.77%
2071 -0.79% 0.79%
2070 -0.79% 0.81%
2069 -0.8% 0.84%
2068 -0.8% 0.86%
2067 -0.81% 0.88%
2066 -0.81% 0.9%
2065 -0.79% 0.93%
2064 -0.79% 0.95%
2063 -0.78% 0.97%
2062 -0.77% 1%
2061 -0.76% 1.01%
2060 -0.75% 1.04%
2059 -0.73% 1.07%
2058 -0.71% 1.08%
2057 -0.7% 1.11%
2056 -0.68% 1.14%
2055 -0.68% 1.16%
2054 -0.65% 1.19%
2053 -0.65% 1.22%
2052 -0.64% 1.24%
2051 -0.64% 1.28%
2050 -0.64% 1.3%
2049 -0.64% 1.33%
2048 -0.64% 1.36%
2047 -0.64% 1.39%
2046 -0.65% 1.43%
2045 -0.65% 1.46%
2044 -0.65% 1.5%
2043 -0.65% 1.54%
2042 -0.66% 1.56%
2041 -0.65% 1.61%
2040 -0.65% 1.68%
2039 -0.65% 1.75%
2038 -0.65% 1.81%
2037 -0.65% 1.88%
2036 -0.65% 1.95%
2035 -0.64% 2%
2034 -0.63% 2.05%
2033 -0.63% 2.11%
2032 -0.62% 2.14%
2031 -0.61% 2.18%
2030 -0.6% 2.22%
2029 -0.59% 2.25%
2028 -0.58% 2.3%
2027 -0.56% 2.32%
2026 -0.54% 2.36%
2025 -0.49% 2.37%
2024 -0.43% 2.4%
2023 -0.49% 2.42%
2022 -0.44% 2.42%
2021 -0.46% 2.43%
2020 -0.29% 2.25%
2019 -0.14% 2.69%
2018 -0.13% 3.42%
2017 -0.08% 3.52%
2016 -0.05% 3.59%
2015 -0.11% 3.65%
2014 -0.13% 3.69%
2013 -0.14% 3.72%
2012 -0.16% 3.74%
2011 -0.19% 3.75%
2010 0.02% 2.86%
2009 -0.01% 1.84%
2008 0.05% 1.73%
2007 0.11% 1.74%
2006 0.06% 1.76%
2005 0.009% 1.78%
2004 0.03% 1.81%
2003 0.21% 1.85%
2002 0.23% 1.9%
2001 0.24% 1.97%
2000 0.17% 2.32%
1999 0.18% 2.73%
1998 0.27% 2.85%
1997 0.24% 2.9%
1996 0.23% 2.93%
1995 0.23% 2.96%
1994 0.28% 2.99%
1993 0.32% 3.02%
1992 0.37% 3.06%
1991 0.39% 3.11%
1990 0.33% 3.16%
1989 0.4% 3.22%
1988 0.42% 3.27%
1987 0.48% 3.28%
1986 0.53% 3.32%
1985 0.63% 3.4%
1984 0.65% 3.44%
1983 0.7% 3.47%
1982 0.7% 3.51%
1981 0.73% 3.54%
1980 0.79% 3.56%
1979 0.85% 3.57%
1978 0.91% 3.55%
1977 0.97% 3.49%
1976 1.08% 3.21%
1975 1.28% 2.92%
1974 1.34% 2.78%
1973 1.42% 2.58%
1972 1.41% 2.41%
1971 2.22% 2.3%
1970 1.16% 2.38%
1969 1.2% 2.49%
1968 1.13% 2.46%
1967 1.04% 2.4%
1966 0.92% 2.37%
1965 1.08% 2.35%
1964 1.05% 2.34%
1963 1.02% 2.32%
1962 0.93% 2.3%
1961 0.9% 2.31%

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/japan/solomon-islands | CC BY

In 2025, the population of Japan declined by 0.49%, while the Solomon Islands' population grew by 2.37%.

Live population counters

Japan Solomon Islands
Current population
122704252
868694
Population rank 12/197 161/197
Percent of world population 1.48% 0.01%
One net population change
52 seconds
27.1 minutes
One birth every
44.6 seconds
24 minutes
One death every
19.1 seconds
2.1 hours
Daily growth/decline -1,667 +53
Annual growth/decline -608,637 +19,447
Annual growth/decline rate -0.49% +2.37%
Population growth rate rank 183/197 32/197
One migration net change every
3.75 minutes
5.39 hours
Annual migration change +140,579 +1,631
Net migration rank 10/196 59/196
Foreign-born residents 3,409,529 2,469
Foreign-born residents rank 19/195 192/195
Foreign-born share of population 2.8% 0.3%
Foreign-born share rank 120/195 184/195

Natural population change vs migration

Japan
Natural

Migration
Solomon Islands
Natural

Migration
1x
Year Population change
Japan Solomon Islands
Natural Migration Natural Migration
2025 - 140,579 - 1,631
2024 -942,213 153,357 17,715 1,610
2023 -871,617 175,003 17,436 1,636
2022 -825,825 175,003 17,253 1,567
2021 -640,976 -34,996 16,626 1,499
2020 -542,923 42,001 16,488 1,556
2019 -531,858 318,190 16,649 -1,990
2018 -456,520 320,601 16,790 6,653
2017 -406,310 322,564 16,897 6,513
2016 -343,106 314,732 17,027 6,146
2015 -292,424 168,896 16,909 5,853
2014 -267,279 58,109 16,652 5,598
2013 -242,146 66,449 16,038 5,631
2012 -229,733 67,904 15,585 5,420
2011 -204,533 97,720 15,095 5,219
2010 -128,070 131,860 14,604 5,040
2009 -76,828 125,450 14,381 -4,360
2008 -51,225 142,605 14,225 -5,538
2007 -25,600 138,024 13,963 -5,383
2006 12,785 130,065 13,799 -5,262
2005 -25,554 113,017 13,568 -5,082
2004 76,656 69,014 13,444 -4,985
2003 114,946 74,875 13,344 -4,881
2002 178,423 60,864 13,195 -4,691
2001 203,438 59,563 13,061 -4,474
2000 228,317 23,468 12,938 -4,219
1999 202,610 56,901 12,809 -1,588
1998 265,440 45,912 12,658 -1,019
1997 277,325 43,366 12,478 -931
1996 314,392 25,030 12,328 -947
1995 276,039 87,714 12,124 -952
1994 363,017 154,214 11,771 -828
1993 312,073 168,836 11,396 -665
1992 360,833 170,878 11,029 -482
1991 396,685 161,331 10,789 -410
1990 407,478 124,582 10,561 -335
1989 467,662 31,202 10,354 -270
1988 527,085 51,154 10,142 -197
1987 598,138 28,001 9,943 -179
1986 631,706 27,987 9,656 -269
1985 676,687 -141,323 9,534 -150
1984 756,523 -273,686 9,299 -102
1983 775,495 -269,755 9,011 -30
1982 805,664 -288,550 8,720 40
1981 811,861 -278,525 8,436 99
1980 864,372 -92,314 8,156 151
1979 950,298 -57,692 7,874 188
1978 1,011,234 -47,996 7,598 174
1977 1,070,397 -49,082 7,290 159
1976 1,127,750 -34,976 7,058 -48
1975 1,204,989 107 6,635 -760
1974 1,332,960 -10,145 6,612 -1,084
1973 1,391,449 -34,674 6,343 -1,329
1972 1,372,006 -73,980 6,074 -1,520
1971 1,331,782 -107,778 5,814 -1,646
1970 1,230,496 33,731 5,575 -1,632
1969 1,195,962 49,447 5,444 -1,187
1968 1,191,930 43,593 5,285 -1,154
1967 1,258,475 29,632 5,151 -1,213
1966 682,072 68,934 5,028 -1,256
1965 1,126,448 -50,667 4,885 -1,237
1964 1,046,553 -100,696 4,747 -1,200
1963 987,770 -100,742 4,571 -1,129
1962 901,864 -57,075 4,408 -1,073
1961 893,522 -58,882 4,257 -1,016
1960 894,874 -150,371 4,119 -917

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

GeoRank.org/population/japan/solomon-islands | CC BY

Over the last 10 years, 75% of the population change in Japan is from natural causes (a loss of 5,853,772 people) and 25% is from migration (a gain of 1,955,351 people). In the Solomon Islands 84.5% is from natural causes (a gain of 169,790 people) and 15.5% is from migration (a gain of 31,043 people).

As of 2024, 3,409,529 residents or 2.8% of the population were not native-born in Japan, compared to 2,469 people or 0.3% in the Solomon Islands.

Biggest cities by population

Japan
City Population
Tokyo 14.3M
Yokohama 3.76M
Osaka 2.75M
Nagoya 2.33M
Sapporo 1.96M
Fukuoka 1.6M
Kawasaki 1.54M
Kobe 1.52M
Kyoto 1.46M
Saitama 1.33M
Solomon Islands
City Population
Honiara 84.5K
Auki 6.81K

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/japan/solomon-islands | 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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