The latest officially reported population of Guinea-Bissau was 2,249,515 in 2025 vs 103,742 people in Tonga in 2025. In 2026, based on the adjusted UN estimation, the current Guinea-Bissau's population is 2,323,460 people compared to 103,283 in Tonga.
Population statistics:
- Guinea-Bissau's population is 22.5 times bigger than Tonga's.
- Guinea-Bissau is ranked the 146th most populous country in the world, while Tonga is the 183rd.
- The countries together account for 0.03% of the world: 0.03% for Guinea-Bissau vs 0.001% for Tonga.
- For the last 10 years, Guinea-Bissau has had an average growth rate of +2.36% per year vs -0.25% in Tonga.
- Since 2006, the population of Guinea-Bissau has increased from 1.42M people to 2.32M (64.2% growth), while Tonga has declined from 106K to 103K (2.8% decline).
Guinea-Bissau vs Tonga: population by year and forecast
| Year | Population | |
|---|---|---|
Guinea-Bissau
|
Tonga
|
|
| 2100 | 4,713,104 | 117,617 |
| 2099 | 4,706,098 | 117,585 |
| 2098 | 4,699,568 | 117,530 |
| 2097 | 4,691,855 | 117,492 |
| 2096 | 4,682,938 | 117,461 |
| 2095 | 4,674,608 | 117,383 |
| 2094 | 4,663,103 | 117,290 |
| 2093 | 4,651,788 | 117,207 |
| 2092 | 4,639,582 | 117,097 |
| 2091 | 4,628,423 | 116,983 |
| 2090 | 4,616,772 | 116,838 |
| 2089 | 4,604,837 | 116,682 |
| 2088 | 4,592,099 | 116,481 |
| 2087 | 4,578,407 | 116,277 |
| 2086 | 4,562,793 | 116,088 |
| 2085 | 4,547,020 | 115,872 |
| 2084 | 4,530,206 | 115,628 |
| 2083 | 4,514,557 | 115,336 |
| 2082 | 4,498,172 | 115,041 |
| 2081 | 4,481,590 | 114,752 |
| 2080 | 4,461,992 | 114,424 |
| 2079 | 4,440,836 | 114,074 |
| 2078 | 4,419,277 | 113,710 |
| 2077 | 4,395,599 | 113,349 |
| 2076 | 4,371,019 | 112,945 |
| 2075 | 4,343,934 | 112,565 |
| 2074 | 4,318,519 | 112,179 |
| 2073 | 4,290,772 | 111,790 |
| 2072 | 4,262,846 | 111,377 |
| 2071 | 4,234,576 | 110,963 |
| 2070 | 4,206,253 | 110,576 |
| 2069 | 4,176,501 | 110,209 |
| 2068 | 4,145,457 | 109,825 |
| 2067 | 4,114,243 | 109,446 |
| 2066 | 4,082,951 | 109,062 |
| 2065 | 4,048,502 | 108,736 |
| 2064 | 4,013,784 | 108,377 |
| 2063 | 3,978,328 | 108,033 |
| 2062 | 3,941,631 | 107,710 |
| 2061 | 3,904,197 | 107,396 |
| 2060 | 3,868,146 | 107,117 |
| 2059 | 3,829,277 | 106,842 |
| 2058 | 3,789,609 | 106,589 |
| 2057 | 3,750,140 | 106,345 |
| 2056 | 3,710,996 | 106,130 |
| 2055 | 3,670,229 | 105,915 |
| 2054 | 3,627,303 | 105,698 |
| 2053 | 3,586,333 | 105,486 |
| 2052 | 3,543,640 | 105,286 |
| 2051 | 3,498,845 | 105,079 |
| 2050 | 3,453,155 | 104,844 |
| 2049 | 3,405,764 | 104,636 |
| 2048 | 3,358,731 | 104,387 |
| 2047 | 3,310,142 | 104,154 |
| 2046 | 3,263,507 | 103,852 |
| 2045 | 3,214,677 | 103,548 |
| 2044 | 3,167,400 | 103,215 |
| 2043 | 3,120,097 | 102,934 |
| 2042 | 3,072,862 | 102,692 |
| 2041 | 3,025,833 | 102,447 |
| 2040 | 2,978,159 | 102,228 |
| 2039 | 2,929,364 | 102,061 |
| 2038 | 2,881,007 | 101,835 |
| 2037 | 2,832,794 | 101,707 |
| 2036 | 2,783,401 | 101,627 |
| 2035 | 2,736,240 | 101,580 |
| 2034 | 2,688,290 | 101,571 |
| 2033 | 2,638,427 | 101,591 |
| 2032 | 2,588,961 | 101,633 |
| 2031 | 2,540,013 | 101,764 |
| 2030 | 2,491,987 | 101,928 |
| 2029 | 2,444,278 | 102,181 |
| 2028 | 2,396,253 | 102,494 |
| 2027 | 2,347,151 | 102,841 |
| 2026 | 2,298,439 | 103,283 |
| 2025 | 2,249,515 | 103,742 |
| 2024 | 2,201,352 | 104,175 |
| 2023 | 2,153,339 | 104,597 |
| 2022 | 2,105,529 | 105,042 |
| 2021 | 2,058,841 | 105,490 |
| 2020 | 2,013,255 | 105,704 |
| 2019 | 1,967,696 | 105,669 |
| 2018 | 1,922,168 | 105,567 |
| 2017 | 1,877,072 | 105,356 |
| 2016 | 1,831,893 | 105,524 |
| 2015 | 1,786,457 | 106,095 |
| 2014 | 1,741,122 | 106,609 |
| 2013 | 1,695,973 | 107,078 |
| 2012 | 1,651,417 | 107,460 |
| 2011 | 1,608,076 | 107,570 |
| 2010 | 1,566,347 | 107,400 |
| 2009 | 1,526,377 | 107,203 |
| 2008 | 1,488,054 | 107,020 |
| 2007 | 1,450,986 | 106,726 |
| 2006 | 1,415,303 | 106,253 |
| 2005 | 1,381,585 | 105,671 |
| 2004 | 1,349,563 | 105,071 |
| 2003 | 1,318,806 | 104,464 |
| 2002 | 1,289,307 | 103,874 |
| 2001 | 1,261,273 | 103,288 |
| 2000 | 1,234,741 | 102,677 |
| 1999 | 1,210,206 | 102,046 |
| 1998 | 1,187,473 | 101,388 |
| 1997 | 1,165,545 | 100,674 |
| 1996 | 1,143,535 | 100,275 |
| 1995 | 1,119,949 | 100,225 |
| 1994 | 1,092,031 | 100,166 |
| 1993 | 1,058,745 | 100,103 |
| 1992 | 1,024,356 | 100,022 |
| 1991 | 994,639 | 99,895 |
| 1990 | 973,669 | 99,700 |
| 1989 | 957,789 | 99,403 |
| 1988 | 942,061 | 98,969 |
| 1987 | 926,862 | 98,376 |
| 1986 | 912,126 | 98,010 |
| 1985 | 897,697 | 97,984 |
| 1984 | 883,519 | 97,990 |
| 1983 | 869,592 | 97,998 |
| 1982 | 855,891 | 97,980 |
| 1981 | 842,432 | 97,909 |
| 1980 | 829,303 | 97,769 |
| 1979 | 819,867 | 97,544 |
| 1978 | 791,694 | 97,204 |
| 1977 | 741,789 | 96,725 |
| 1976 | 694,191 | 95,325 |
| 1975 | 650,966 | 93,017 |
| 1974 | 613,338 | 90,683 |
| 1973 | 592,808 | 88,805 |
| 1972 | 586,620 | 87,356 |
| 1971 | 586,221 | 85,896 |
| 1970 | 584,403 | 84,401 |
| 1969 | 581,610 | 82,885 |
| 1968 | 578,170 | 81,353 |
| 1967 | 569,011 | 79,814 |
| 1966 | 566,908 | 78,002 |
| 1965 | 575,005 | 75,924 |
| 1964 | 588,543 | 73,879 |
| 1963 | 594,418 | 71,885 |
| 1962 | 589,474 | 69,940 |
| 1961 | 582,532 | 68,037 |
| 1960 | 577,633 | 66,170 |
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/tonga | CC BY 
From 2006 to 2016, the population of Guinea-Bissau increased by 416,590 people (a 29.4% growth), while Tonga lost 729 people (a 0.69% decline).
For the next 10 years, from 2016 to 2026, Guinea-Bissau gained 491,567 people (a 26.8% growth), while Tonga's population decreased by 2,241 people (a 2.12% decline).
Guinea-Bissau was ranked 148th most populous country in 2006 and is 146th in 2026. Tonga was ranked 182nd in 2006 and ranked 183rd 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 Tonga will increase by 1.51% to 104,844 people and will still be ranked 183rd.
Guinea-Bissau is projected to reach its peak in 2100 at 4.71M people compared to the peak of 118K people in 2100 for Tonga.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Guinea-Bissau
|
Tonga
|
|
| 2100 | 0.15% | 0.03% |
| 2099 | 0.14% | 0.05% |
| 2098 | 0.16% | 0.03% |
| 2097 | 0.19% | 0.03% |
| 2096 | 0.18% | 0.07% |
| 2095 | 0.25% | 0.08% |
| 2094 | 0.24% | 0.07% |
| 2093 | 0.26% | 0.09% |
| 2092 | 0.24% | 0.1% |
| 2091 | 0.25% | 0.12% |
| 2090 | 0.26% | 0.13% |
| 2089 | 0.28% | 0.17% |
| 2088 | 0.3% | 0.18% |
| 2087 | 0.34% | 0.16% |
| 2086 | 0.35% | 0.19% |
| 2085 | 0.37% | 0.21% |
| 2084 | 0.35% | 0.25% |
| 2083 | 0.36% | 0.26% |
| 2082 | 0.37% | 0.25% |
| 2081 | 0.44% | 0.29% |
| 2080 | 0.48% | 0.31% |
| 2079 | 0.49% | 0.32% |
| 2078 | 0.54% | 0.32% |
| 2077 | 0.56% | 0.36% |
| 2076 | 0.62% | 0.34% |
| 2075 | 0.59% | 0.34% |
| 2074 | 0.65% | 0.35% |
| 2073 | 0.66% | 0.37% |
| 2072 | 0.67% | 0.37% |
| 2071 | 0.67% | 0.35% |
| 2070 | 0.71% | 0.33% |
| 2069 | 0.75% | 0.35% |
| 2068 | 0.76% | 0.35% |
| 2067 | 0.77% | 0.35% |
| 2066 | 0.85% | 0.3% |
| 2065 | 0.86% | 0.33% |
| 2064 | 0.89% | 0.32% |
| 2063 | 0.93% | 0.3% |
| 2062 | 0.96% | 0.29% |
| 2061 | 0.93% | 0.26% |
| 2060 | 1.02% | 0.26% |
| 2059 | 1.05% | 0.24% |
| 2058 | 1.05% | 0.23% |
| 2057 | 1.05% | 0.2% |
| 2056 | 1.11% | 0.2% |
| 2055 | 1.18% | 0.2% |
| 2054 | 1.14% | 0.2% |
| 2053 | 1.2% | 0.19% |
| 2052 | 1.28% | 0.2% |
| 2051 | 1.32% | 0.22% |
| 2050 | 1.39% | 0.2% |
| 2049 | 1.4% | 0.24% |
| 2048 | 1.47% | 0.22% |
| 2047 | 1.43% | 0.29% |
| 2046 | 1.52% | 0.29% |
| 2045 | 1.49% | 0.32% |
| 2044 | 1.52% | 0.27% |
| 2043 | 1.54% | 0.24% |
| 2042 | 1.55% | 0.24% |
| 2041 | 1.6% | 0.21% |
| 2040 | 1.67% | 0.16% |
| 2039 | 1.68% | 0.22% |
| 2038 | 1.7% | 0.13% |
| 2037 | 1.77% | 0.08% |
| 2036 | 1.72% | 0.05% |
| 2035 | 1.78% | 0.009% |
| 2034 | 1.89% | -0.02% |
| 2033 | 1.91% | -0.04% |
| 2032 | 1.93% | -0.13% |
| 2031 | 1.93% | -0.16% |
| 2030 | 1.95% | -0.25% |
| 2029 | 2% | -0.31% |
| 2028 | 2.09% | -0.34% |
| 2027 | 2.12% | -0.43% |
| 2026 | 2.17% | -0.44% |
| 2025 | 2.19% | -0.42% |
| 2024 | 2.23% | -0.4% |
| 2023 | 2.27% | -0.42% |
| 2022 | 2.27% | -0.42% |
| 2021 | 2.26% | -0.2% |
| 2020 | 2.32% | 0.03% |
| 2019 | 2.37% | 0.1% |
| 2018 | 2.4% | 0.2% |
| 2017 | 2.47% | -0.16% |
| 2016 | 2.54% | -0.54% |
| 2015 | 2.6% | -0.48% |
| 2014 | 2.66% | -0.44% |
| 2013 | 2.7% | -0.36% |
| 2012 | 2.7% | -0.1% |
| 2011 | 2.66% | 0.16% |
| 2010 | 2.62% | 0.18% |
| 2009 | 2.58% | 0.17% |
| 2008 | 2.55% | 0.28% |
| 2007 | 2.52% | 0.45% |
| 2006 | 2.44% | 0.55% |
| 2005 | 2.37% | 0.57% |
| 2004 | 2.33% | 0.58% |
| 2003 | 2.29% | 0.57% |
| 2002 | 2.22% | 0.57% |
| 2001 | 2.15% | 0.6% |
| 2000 | 2.03% | 0.62% |
| 1999 | 1.91% | 0.65% |
| 1998 | 1.88% | 0.71% |
| 1997 | 1.92% | 0.4% |
| 1996 | 2.11% | 0.05% |
| 1995 | 2.56% | 0.06% |
| 1994 | 3.14% | 0.06% |
| 1993 | 3.36% | 0.08% |
| 1992 | 2.99% | 0.13% |
| 1991 | 2.15% | 0.2% |
| 1990 | 1.66% | 0.3% |
| 1989 | 1.67% | 0.44% |
| 1988 | 1.64% | 0.6% |
| 1987 | 1.62% | 0.37% |
| 1986 | 1.61% | 0.03% |
| 1985 | 1.6% | -0.006% |
| 1984 | 1.6% | -0.008% |
| 1983 | 1.6% | 0.02% |
| 1982 | 1.6% | 0.07% |
| 1981 | 1.58% | 0.14% |
| 1980 | 1.15% | 0.23% |
| 1979 | 3.56% | 0.35% |
| 1978 | 6.73% | 0.5% |
| 1977 | 6.86% | 1.47% |
| 1976 | 6.64% | 2.48% |
| 1975 | 6.13% | 2.57% |
| 1974 | 3.46% | 2.11% |
| 1973 | 1.05% | 1.66% |
| 1972 | 0.07% | 1.7% |
| 1971 | 0.31% | 1.77% |
| 1970 | 0.48% | 1.83% |
| 1969 | 0.59% | 1.88% |
| 1968 | 1.61% | 1.93% |
| 1967 | 0.37% | 2.32% |
| 1966 | -1.41% | 2.74% |
| 1965 | -2.3% | 2.77% |
| 1964 | -0.99% | 2.77% |
| 1963 | 0.84% | 2.78% |
| 1962 | 1.19% | 2.8% |
| 1961 | 0.85% | 2.82% |
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/tonga | CC BY
In 2025, the population of Guinea-Bissau grew by 2.19%, while Tonga's population declined by 0.42%.
Live population counters
|
Guinea-Bissau
|
Tonga
|
|
|---|---|---|
| Current population |
2323460
|
103283
|
| Population rank | 146/197 | 183/197 |
| Percent of world population | 0.03% | 0.001% |
| One net population change |
10.9 minutes
|
20.3 hours
|
| One birth every |
8.08 minutes
|
3.65 hours
|
| One death every |
34.1 minutes
|
13.1 hours
|
| Daily growth/decline | +132 | -1 |
| Annual growth/decline | +48,163 | -433 |
| Annual growth/decline rate | +2.19% | -0.42% |
| Population growth rate rank | 41/197 | 181/197 |
| One migration net change every |
6.4 hours
|
4.09 hours
|
| Annual migration change | -1,373 | -2,150 |
| Net migration rank | 96/196 | 99/196 |
| Foreign-born residents | 15,064 | 3,581 |
| Foreign-born residents rank | 172/195 | 187/195 |
| Foreign-born share of population | 0.7% | 3.4% |
| Foreign-born share rank | 165/195 | 113/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Guinea-Bissau
|
Tonga
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -1,373 | - | -2,150 |
| 2024 | 49,642 | -1,712 | 1,729 | -2,149 |
| 2023 | 49,498 | -1,400 | 1,744 | -2,173 |
| 2022 | 48,920 | -1,400 | 1,772 | -2,218 |
| 2021 | 47,242 | -1,395 | 1,773 | -2,220 |
| 2020 | 46,718 | -1,394 | 1,816 | -1,807 |
| 2019 | 47,196 | -1,395 | 1,841 | -1,778 |
| 2018 | 46,659 | -1,396 | 1,873 | -1,723 |
| 2017 | 46,318 | -1,398 | 1,912 | -1,642 |
| 2016 | 46,814 | -1,392 | 1,989 | -2,591 |
| 2015 | 46,846 | -1,393 | 2,064 | -2,610 |
| 2014 | 46,615 | -1,393 | 2,135 | -2,622 |
| 2013 | 46,472 | -1,395 | 2,199 | -2,637 |
| 2012 | 45,480 | -1,442 | 2,255 | -2,578 |
| 2011 | 44,405 | -1,760 | 2,298 | -2,198 |
| 2010 | 43,067 | -2,257 | 2,332 | -2,097 |
| 2009 | 41,950 | -2,821 | 2,358 | -2,204 |
| 2008 | 40,841 | -3,313 | 2,397 | -2,177 |
| 2007 | 40,288 | -3,676 | 2,423 | -2,057 |
| 2006 | 38,886 | -4,142 | 2,459 | -1,875 |
| 2005 | 37,347 | -4,662 | 2,495 | -1,906 |
| 2004 | 36,495 | -5,144 | 2,478 | -1,876 |
| 2003 | 35,649 | -5,487 | 2,448 | -1,844 |
| 2002 | 34,561 | -5,712 | 2,396 | -1,815 |
| 2001 | 33,461 | -6,239 | 2,358 | -1,766 |
| 2000 | 32,816 | -6,971 | 2,346 | -1,721 |
| 1999 | 30,916 | -7,686 | 2,352 | -1,710 |
| 1998 | 30,390 | -8,163 | 2,344 | -1,665 |
| 1997 | 29,792 | -8,176 | 2,332 | -1,589 |
| 1996 | 29,778 | -7,369 | 2,393 | -2,338 |
| 1995 | 29,142 | -4,376 | 2,476 | -2,422 |
| 1994 | 27,895 | 3,174 | 2,547 | -2,484 |
| 1993 | 26,943 | 8,562 | 2,594 | -2,532 |
| 1992 | 25,747 | 7,531 | 2,622 | -2,524 |
| 1991 | 24,527 | 1,621 | 2,637 | -2,484 |
| 1990 | 23,936 | -8,151 | 2,641 | -2,409 |
| 1989 | 24,286 | -8,296 | 2,644 | -2,280 |
| 1988 | 23,940 | -8,473 | 2,649 | -2,138 |
| 1987 | 23,549 | -8,622 | 2,646 | -1,970 |
| 1986 | 23,301 | -8,748 | 2,704 | -2,650 |
| 1985 | 23,116 | -8,812 | 2,762 | -2,775 |
| 1984 | 22,861 | -8,812 | 2,814 | -2,823 |
| 1983 | 22,542 | -8,729 | 2,840 | -2,840 |
| 1982 | 22,131 | -8,539 | 2,853 | -2,814 |
| 1981 | 21,611 | -8,291 | 2,882 | -2,778 |
| 1980 | 21,024 | -8,086 | 2,885 | -2,708 |
| 1979 | 19,736 | -13,801 | 2,884 | -2,604 |
| 1978 | 17,468 | 32,936 | 2,862 | -2,457 |
| 1977 | 15,484 | 33,922 | 2,822 | -2,273 |
| 1976 | 13,688 | 32,113 | 2,769 | -523 |
| 1975 | 11,998 | 28,645 | 2,709 | -346 |
| 1974 | 10,321 | 24,290 | 2,650 | -344 |
| 1973 | 8,430 | -1,985 | 2,617 | -1,168 |
| 1972 | 7,911 | -1,985 | 2,605 | -1,153 |
| 1971 | 8,183 | -13,302 | 2,611 | -1,138 |
| 1970 | 7,632 | 1,123 | 2,628 | -1,122 |
| 1969 | 7,857 | -11,033 | 2,632 | -1,101 |
| 1968 | 7,289 | 2,769 | 2,614 | -1,078 |
| 1967 | 6,742 | 1,516 | 2,603 | -1,060 |
| 1966 | 6,955 | -11,006 | 2,550 | -465 |
| 1965 | 7,789 | -19,928 | 2,498 | -426 |
| 1964 | 8,989 | -23,936 | 2,445 | -428 |
| 1963 | 9,190 | -5,993 | 2,394 | -426 |
| 1962 | 10,662 | -3,960 | 2,343 | -420 |
| 1961 | 10,756 | -3,575 | 2,284 | -401 |
| 1960 | 10,618 | -8,007 | 2,230 | -384 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/guinea-bissau/tonga | 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 Tonga 47% is from natural causes (a gain of 18,513 people) and 53% is from migration (a loss of 20,911 people).
As of 2024, 15,064 residents or 0.7% of the population were not native-born in Guinea-Bissau, compared to 3,581 people or 3.4% in Tonga.
Biggest cities by population
|
Guinea-Bissau
|
|
|---|---|
| City | Population |
| Bissau | 492K |
| Bafata | 29.6K |
|
Tonga
|
|
|---|---|
| City | Population |
| Nukualofa | 23.2K |
| Mua | 5K |
Compare countries by 7 more topics
Population differences between Guinea-Bissau and Tonga
|
Guinea-Bissau
|
Tonga
|
|
|---|---|---|
| Life expectancy | 64.6 years | 73.4 years |
| Average age | 24.4 years | 28.1 years |
| Median age | 20.4 years | 22 years |
| Male:Female ratio | 49.4:50.6 | 47.2:52.8 |
| Fertility rate | 3.76 births per woman | 3.1 births per woman |
| Population density | 211.7 ppl/mi² | 372 ppl/mi² |
Population map with other countries
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/tonga | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-07-08)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
- U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
- Wikidata (2026, retrieved 2026-07-08)
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