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Population in Guinea-Bissau compared to Japan: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Guinea-Bissau was 2,249,515 in 2025 vs 123,366,734 people in Japan in 2025. In 2026, based on the adjusted UN estimation, the current Guinea-Bissau's population is 2,323,460 people compared to 122,704,252 in Japan.

Population statistics:

  • Japan's population is 52.8 times bigger than Guinea-Bissau's.
  • Guinea-Bissau is ranked the 146th most populous country in the world, while Japan is the 12th.
  • The countries together account for 1.5% of the world: 0.03% for Guinea-Bissau vs 1.48% for Japan.
  • For the last 10 years, Guinea-Bissau has had an average growth rate of +2.36% per year vs -0.28% in Japan.
  • Since 2006, the population of Guinea-Bissau has increased from 1.42M people to 2.32M (64.2% growth), while Japan has declined from 128M to 123M (4.03% decline).

Guinea-Bissau vs Japan: population by year and forecast

Guinea-Bissau
Factual

Projection
Japan
Factual

Projection
1x
Year Population
Guinea-Bissau Japan
2100 4,713,104 76,995,942
2099 4,706,098 77,380,486
2098 4,699,568 77,759,557
2097 4,691,855 78,135,569
2096 4,682,938 78,515,892
2095 4,674,608 78,892,606
2094 4,663,103 79,267,768
2093 4,651,788 79,645,584
2092 4,639,582 80,025,578
2091 4,628,423 80,401,222
2090 4,616,772 80,778,500
2089 4,604,837 81,158,413
2088 4,592,099 81,539,639
2087 4,578,407 81,926,401
2086 4,562,793 82,322,612
2085 4,547,020 82,727,738
2084 4,530,206 83,141,354
2083 4,514,557 83,562,394
2082 4,498,172 83,998,809
2081 4,481,590 84,447,888
2080 4,461,992 84,918,455
2079 4,440,836 85,406,042
2078 4,419,277 85,916,840
2077 4,395,599 86,453,316
2076 4,371,019 87,012,155
2075 4,343,934 87,597,053
2074 4,318,519 88,209,803
2073 4,290,772 88,854,316
2072 4,262,846 89,519,055
2071 4,234,576 90,204,314
2070 4,206,253 90,919,143
2069 4,176,501 91,645,589
2068 4,145,457 92,388,299
2067 4,114,243 93,133,993
2066 4,082,951 93,889,902
2065 4,048,502 94,654,259
2064 4,013,784 95,412,429
2063 3,978,328 96,169,244
2062 3,941,631 96,924,236
2061 3,904,197 97,675,525
2060 3,868,146 98,422,553
2059 3,829,277 99,166,038
2058 3,789,609 99,890,950
2057 3,750,140 100,607,740
2056 3,710,996 101,318,164
2055 3,670,229 102,012,184
2054 3,627,303 102,706,063
2053 3,586,333 103,381,833
2052 3,543,640 104,059,800
2051 3,498,845 104,729,745
2050 3,453,155 105,400,477
2049 3,405,764 106,076,354
2048 3,358,731 106,754,699
2047 3,310,142 107,442,881
2046 3,263,507 108,139,155
2045 3,214,677 108,844,934
2044 3,167,400 109,553,441
2043 3,120,097 110,269,851
2042 3,072,862 110,992,599
2041 3,025,833 111,729,216
2040 2,978,159 112,463,507
2039 2,929,364 113,200,859
2038 2,881,007 113,940,856
2037 2,832,794 114,687,611
2036 2,783,401 115,436,359
2035 2,736,240 116,187,949
2034 2,688,290 116,936,734
2033 2,638,427 117,678,572
2032 2,588,961 118,419,247
2031 2,540,013 119,153,646
2030 2,491,987 119,882,512
2029 2,444,278 120,600,781
2028 2,396,253 121,314,239
2027 2,347,151 122,015,984
2026 2,298,439 122,704,252
2025 2,249,515 123,366,734
2024 2,201,352 123,975,371
2023 2,153,339 124,516,650
2022 2,105,529 125,124,989
2021 2,058,841 125,681,593
2020 2,013,255 126,261,000
2019 1,967,696 126,633,000
2018 1,922,168 126,811,000
2017 1,877,072 126,972,000
2016 1,831,893 127,076,000
2015 1,786,457 127,141,000
2014 1,741,122 127,276,000
2013 1,695,973 127,445,000
2012 1,651,417 127,629,000
2011 1,608,076 127,833,000
2010 1,566,347 128,070,000
2009 1,526,377 128,047,000
2008 1,488,054 128,063,000
2007 1,450,986 128,001,000
2006 1,415,303 127,854,000
2005 1,381,585 127,773,000
2004 1,349,563 127,761,000
2003 1,318,806 127,718,000
2002 1,289,307 127,445,000
2001 1,261,273 127,149,000
2000 1,234,741 126,843,000
1999 1,210,206 126,631,000
1998 1,187,473 126,400,000
1997 1,165,545 126,057,000
1996 1,143,535 125,757,000
1995 1,119,949 125,472,000
1994 1,092,031 125,178,000
1993 1,058,745 124,829,000
1992 1,024,356 124,425,000
1991 994,639 123,964,000
1990 973,669 123,478,000
1989 957,789 123,069,000
1988 942,061 122,578,000
1987 926,862 122,069,000
1986 912,126 121,482,000
1985 897,697 120,837,000
1984 883,519 120,083,000
1983 869,592 119,307,000
1982 855,891 118,480,000
1981 842,432 117,661,000
1980 829,303 116,807,000
1979 819,867 115,890,000
1978 791,694 114,913,000
1977 741,789 113,872,000
1976 694,191 112,775,000
1975 650,966 111,573,000
1974 613,338 110,162,000
1973 592,808 108,707,000
1972 586,620 107,188,000
1971 586,221 105,697,000
1970 584,403 103,403,000
1969 581,610 102,219,000
1968 578,170 101,011,000
1967 569,011 99,879,000
1966 566,908 98,851,000
1965 575,005 97,952,000
1964 588,543 96,903,000
1963 594,418 95,900,000
1962 589,474 94,933,000
1961 582,532 94,055,000
1960 577,633 93,216,000

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/guinea-bissau/japan | CC BY

From 2006 to 2016, the population of Guinea-Bissau increased by 416,590 people (a 29.4% growth), while Japan lost 778,000 people (a 0.61% decline).

For the next 10 years, from 2016 to 2026, Guinea-Bissau gained 491,567 people (a 26.8% growth), while Japan's population decreased by 4,371,748 people (a 3.44% decline).

Guinea-Bissau was ranked 148th most populous country in 2006 and is 146th in 2026. Japan was ranked 10th in 2006 and ranked 12th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Guinea-Bissau's population will grow by 48.6% to 3,453,155 people with a rank change from 146th to 136th. The population of Japan will decrease by 14.1% to 105,400,477 people and rank change from 12th to 17th.

Guinea-Bissau is projected to reach its peak in 2100 at 4.71M 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

Guinea-Bissau
Factual

Projection
Japan
Factual

Projection
1x
Year Growth rate
Guinea-Bissau Japan
2100 0.15% -0.5%
2099 0.14% -0.49%
2098 0.16% -0.48%
2097 0.19% -0.48%
2096 0.18% -0.48%
2095 0.25% -0.47%
2094 0.24% -0.47%
2093 0.26% -0.47%
2092 0.24% -0.47%
2091 0.25% -0.47%
2090 0.26% -0.47%
2089 0.28% -0.47%
2088 0.3% -0.47%
2087 0.34% -0.48%
2086 0.35% -0.49%
2085 0.37% -0.5%
2084 0.35% -0.5%
2083 0.36% -0.52%
2082 0.37% -0.53%
2081 0.44% -0.55%
2080 0.48% -0.57%
2079 0.49% -0.59%
2078 0.54% -0.62%
2077 0.56% -0.64%
2076 0.62% -0.67%
2075 0.59% -0.69%
2074 0.65% -0.73%
2073 0.66% -0.74%
2072 0.67% -0.76%
2071 0.67% -0.79%
2070 0.71% -0.79%
2069 0.75% -0.8%
2068 0.76% -0.8%
2067 0.77% -0.81%
2066 0.85% -0.81%
2065 0.86% -0.79%
2064 0.89% -0.79%
2063 0.93% -0.78%
2062 0.96% -0.77%
2061 0.93% -0.76%
2060 1.02% -0.75%
2059 1.05% -0.73%
2058 1.05% -0.71%
2057 1.05% -0.7%
2056 1.11% -0.68%
2055 1.18% -0.68%
2054 1.14% -0.65%
2053 1.2% -0.65%
2052 1.28% -0.64%
2051 1.32% -0.64%
2050 1.39% -0.64%
2049 1.4% -0.64%
2048 1.47% -0.64%
2047 1.43% -0.64%
2046 1.52% -0.65%
2045 1.49% -0.65%
2044 1.52% -0.65%
2043 1.54% -0.65%
2042 1.55% -0.66%
2041 1.6% -0.65%
2040 1.67% -0.65%
2039 1.68% -0.65%
2038 1.7% -0.65%
2037 1.77% -0.65%
2036 1.72% -0.65%
2035 1.78% -0.64%
2034 1.89% -0.63%
2033 1.91% -0.63%
2032 1.93% -0.62%
2031 1.93% -0.61%
2030 1.95% -0.6%
2029 2% -0.59%
2028 2.09% -0.58%
2027 2.12% -0.56%
2026 2.17% -0.54%
2025 2.19% -0.49%
2024 2.23% -0.43%
2023 2.27% -0.49%
2022 2.27% -0.44%
2021 2.26% -0.46%
2020 2.32% -0.29%
2019 2.37% -0.14%
2018 2.4% -0.13%
2017 2.47% -0.08%
2016 2.54% -0.05%
2015 2.6% -0.11%
2014 2.66% -0.13%
2013 2.7% -0.14%
2012 2.7% -0.16%
2011 2.66% -0.19%
2010 2.62% 0.02%
2009 2.58% -0.01%
2008 2.55% 0.05%
2007 2.52% 0.11%
2006 2.44% 0.06%
2005 2.37% 0.009%
2004 2.33% 0.03%
2003 2.29% 0.21%
2002 2.22% 0.23%
2001 2.15% 0.24%
2000 2.03% 0.17%
1999 1.91% 0.18%
1998 1.88% 0.27%
1997 1.92% 0.24%
1996 2.11% 0.23%
1995 2.56% 0.23%
1994 3.14% 0.28%
1993 3.36% 0.32%
1992 2.99% 0.37%
1991 2.15% 0.39%
1990 1.66% 0.33%
1989 1.67% 0.4%
1988 1.64% 0.42%
1987 1.62% 0.48%
1986 1.61% 0.53%
1985 1.6% 0.63%
1984 1.6% 0.65%
1983 1.6% 0.7%
1982 1.6% 0.7%
1981 1.58% 0.73%
1980 1.15% 0.79%
1979 3.56% 0.85%
1978 6.73% 0.91%
1977 6.86% 0.97%
1976 6.64% 1.08%
1975 6.13% 1.28%
1974 3.46% 1.34%
1973 1.05% 1.42%
1972 0.07% 1.41%
1971 0.31% 2.22%
1970 0.48% 1.16%
1969 0.59% 1.2%
1968 1.61% 1.13%
1967 0.37% 1.04%
1966 -1.41% 0.92%
1965 -2.3% 1.08%
1964 -0.99% 1.05%
1963 0.84% 1.02%
1962 1.19% 0.93%
1961 0.85% 0.9%

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/guinea-bissau/japan | CC BY

In 2025, the population of Guinea-Bissau grew by 2.19%, while Japan's population declined by 0.49%.

Live population counters

Guinea-Bissau Japan
Current population
2323460
122704252
Population rank 146/197 12/197
Percent of world population 0.03% 1.48%
One net population change
10.9 minutes
52 seconds
One birth every
8.08 minutes
44.6 seconds
One death every
34.1 minutes
19.1 seconds
Daily growth/decline +132 -1,667
Annual growth/decline +48,163 -608,637
Annual growth/decline rate +2.19% -0.49%
Population growth rate rank 41/197 183/197
One migration net change every
6.4 hours
3.75 minutes
Annual migration change -1,373 +140,579
Net migration rank 96/196 10/196
Foreign-born residents 15,064 3,409,529
Foreign-born residents rank 172/195 19/195
Foreign-born share of population 0.7% 2.8%
Foreign-born share rank 165/195 120/195

Natural population change vs migration

Guinea-Bissau
Natural

Migration
Japan
Natural

Migration
1x
Year Population change
Guinea-Bissau Japan
Natural Migration Natural Migration
2025 - -1,373 - 140,579
2024 49,642 -1,712 -942,213 153,357
2023 49,498 -1,400 -871,617 175,003
2022 48,920 -1,400 -825,825 175,003
2021 47,242 -1,395 -640,976 -34,996
2020 46,718 -1,394 -542,923 42,001
2019 47,196 -1,395 -531,858 318,190
2018 46,659 -1,396 -456,520 320,601
2017 46,318 -1,398 -406,310 322,564
2016 46,814 -1,392 -343,106 314,732
2015 46,846 -1,393 -292,424 168,896
2014 46,615 -1,393 -267,279 58,109
2013 46,472 -1,395 -242,146 66,449
2012 45,480 -1,442 -229,733 67,904
2011 44,405 -1,760 -204,533 97,720
2010 43,067 -2,257 -128,070 131,860
2009 41,950 -2,821 -76,828 125,450
2008 40,841 -3,313 -51,225 142,605
2007 40,288 -3,676 -25,600 138,024
2006 38,886 -4,142 12,785 130,065
2005 37,347 -4,662 -25,554 113,017
2004 36,495 -5,144 76,656 69,014
2003 35,649 -5,487 114,946 74,875
2002 34,561 -5,712 178,423 60,864
2001 33,461 -6,239 203,438 59,563
2000 32,816 -6,971 228,317 23,468
1999 30,916 -7,686 202,610 56,901
1998 30,390 -8,163 265,440 45,912
1997 29,792 -8,176 277,325 43,366
1996 29,778 -7,369 314,392 25,030
1995 29,142 -4,376 276,039 87,714
1994 27,895 3,174 363,017 154,214
1993 26,943 8,562 312,073 168,836
1992 25,747 7,531 360,833 170,878
1991 24,527 1,621 396,685 161,331
1990 23,936 -8,151 407,478 124,582
1989 24,286 -8,296 467,662 31,202
1988 23,940 -8,473 527,085 51,154
1987 23,549 -8,622 598,138 28,001
1986 23,301 -8,748 631,706 27,987
1985 23,116 -8,812 676,687 -141,323
1984 22,861 -8,812 756,523 -273,686
1983 22,542 -8,729 775,495 -269,755
1982 22,131 -8,539 805,664 -288,550
1981 21,611 -8,291 811,861 -278,525
1980 21,024 -8,086 864,372 -92,314
1979 19,736 -13,801 950,298 -57,692
1978 17,468 32,936 1,011,234 -47,996
1977 15,484 33,922 1,070,397 -49,082
1976 13,688 32,113 1,127,750 -34,976
1975 11,998 28,645 1,204,989 107
1974 10,321 24,290 1,332,960 -10,145
1973 8,430 -1,985 1,391,449 -34,674
1972 7,911 -1,985 1,372,006 -73,980
1971 8,183 -13,302 1,331,782 -107,778
1970 7,632 1,123 1,230,496 33,731
1969 7,857 -11,033 1,195,962 49,447
1968 7,289 2,769 1,191,930 43,593
1967 6,742 1,516 1,258,475 29,632
1966 6,955 -11,006 682,072 68,934
1965 7,789 -19,928 1,126,448 -50,667
1964 8,989 -23,936 1,046,553 -100,696
1963 9,190 -5,993 987,770 -100,742
1962 10,662 -3,960 901,864 -57,075
1961 10,756 -3,575 893,522 -58,882
1960 10,618 -8,007 894,874 -150,371

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

GeoRank.org/population/guinea-bissau/japan | CC BY

Over the last 10 years, 97.1% of the population change in Guinea-Bissau is from natural causes (a gain of 475,853 people) and 2.91% is from migration (a loss of 14,275 people). In Japan 75% is from natural causes (a loss of 5,853,772 people) and 25% is from migration (a gain of 1,955,351 people).

As of 2024, 15,064 residents or 0.7% of the population were not native-born in Guinea-Bissau, compared to 3,409,529 people or 2.8% in Japan.

Biggest cities by population

Guinea-Bissau
City Population
Bissau 492K
Bafata 29.6K
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

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/guinea-bissau/japan | 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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