The latest officially reported population of Guinea-Bissau was 2,249,515 in 2025 vs 835,986 people in Guyana in 2025. In 2026, based on the adjusted UN estimation, the current Guinea-Bissau's population is 2,323,460 people compared to 843,423 in Guyana.
Population statistics:
- Guinea-Bissau's population is 2.75 times bigger than Guyana's.
- Guinea-Bissau is ranked the 146th most populous country in the world, while Guyana is the 162nd.
- The countries together account for 0.04% of the world: 0.03% for Guinea-Bissau vs 0.01% for Guyana.
- For the last 10 years, Guinea-Bissau has had an average growth rate of +2.36% per year vs +0.94% in Guyana.
- Since 2006, the population of Guinea-Bissau has increased from 1.42M people to 2.32M (64.2% growth), while Guyana has grown from 759K to 843K (11.1% growth).
Guinea-Bissau vs Guyana: population by year and forecast
| Year | Population | |
|---|---|---|
Guinea-Bissau
|
Guyana
|
|
| 2100 | 4,713,104 | 893,400 |
| 2099 | 4,706,098 | 897,049 |
| 2098 | 4,699,568 | 900,704 |
| 2097 | 4,691,855 | 903,852 |
| 2096 | 4,682,938 | 907,213 |
| 2095 | 4,674,608 | 910,422 |
| 2094 | 4,663,103 | 913,693 |
| 2093 | 4,651,788 | 916,720 |
| 2092 | 4,639,582 | 919,754 |
| 2091 | 4,628,423 | 922,566 |
| 2090 | 4,616,772 | 925,355 |
| 2089 | 4,604,837 | 928,338 |
| 2088 | 4,592,099 | 931,122 |
| 2087 | 4,578,407 | 933,697 |
| 2086 | 4,562,793 | 936,460 |
| 2085 | 4,547,020 | 939,094 |
| 2084 | 4,530,206 | 941,456 |
| 2083 | 4,514,557 | 943,457 |
| 2082 | 4,498,172 | 945,740 |
| 2081 | 4,481,590 | 947,585 |
| 2080 | 4,461,992 | 949,719 |
| 2079 | 4,440,836 | 951,522 |
| 2078 | 4,419,277 | 953,282 |
| 2077 | 4,395,599 | 954,797 |
| 2076 | 4,371,019 | 956,257 |
| 2075 | 4,343,934 | 957,459 |
| 2074 | 4,318,519 | 958,504 |
| 2073 | 4,290,772 | 959,702 |
| 2072 | 4,262,846 | 960,812 |
| 2071 | 4,234,576 | 961,668 |
| 2070 | 4,206,253 | 962,203 |
| 2069 | 4,176,501 | 962,904 |
| 2068 | 4,145,457 | 963,022 |
| 2067 | 4,114,243 | 963,054 |
| 2066 | 4,082,951 | 962,921 |
| 2065 | 4,048,502 | 962,791 |
| 2064 | 4,013,784 | 962,542 |
| 2063 | 3,978,328 | 962,076 |
| 2062 | 3,941,631 | 961,203 |
| 2061 | 3,904,197 | 960,260 |
| 2060 | 3,868,146 | 959,002 |
| 2059 | 3,829,277 | 957,472 |
| 2058 | 3,789,609 | 956,199 |
| 2057 | 3,750,140 | 954,833 |
| 2056 | 3,710,996 | 953,856 |
| 2055 | 3,670,229 | 952,473 |
| 2054 | 3,627,303 | 950,751 |
| 2053 | 3,586,333 | 948,550 |
| 2052 | 3,543,640 | 946,418 |
| 2051 | 3,498,845 | 944,600 |
| 2050 | 3,453,155 | 942,132 |
| 2049 | 3,405,764 | 939,501 |
| 2048 | 3,358,731 | 936,652 |
| 2047 | 3,310,142 | 933,791 |
| 2046 | 3,263,507 | 930,620 |
| 2045 | 3,214,677 | 927,519 |
| 2044 | 3,167,400 | 924,138 |
| 2043 | 3,120,097 | 920,425 |
| 2042 | 3,072,862 | 916,573 |
| 2041 | 3,025,833 | 912,228 |
| 2040 | 2,978,159 | 908,107 |
| 2039 | 2,929,364 | 903,833 |
| 2038 | 2,881,007 | 899,477 |
| 2037 | 2,832,794 | 895,081 |
| 2036 | 2,783,401 | 890,800 |
| 2035 | 2,736,240 | 886,268 |
| 2034 | 2,688,290 | 881,349 |
| 2033 | 2,638,427 | 876,484 |
| 2032 | 2,588,961 | 871,096 |
| 2031 | 2,540,013 | 866,145 |
| 2030 | 2,491,987 | 860,981 |
| 2029 | 2,444,278 | 856,128 |
| 2028 | 2,396,253 | 851,179 |
| 2027 | 2,347,151 | 845,822 |
| 2026 | 2,298,439 | 840,890 |
| 2025 | 2,249,515 | 835,986 |
| 2024 | 2,201,352 | 831,087 |
| 2023 | 2,153,339 | 826,353 |
| 2022 | 2,105,529 | 821,637 |
| 2021 | 2,058,841 | 815,482 |
| 2020 | 2,013,255 | 807,481 |
| 2019 | 1,967,696 | 807,665 |
| 2018 | 1,922,168 | 791,556 |
| 2017 | 1,877,072 | 768,479 |
| 2016 | 1,831,893 | 763,548 |
| 2015 | 1,786,457 | 758,781 |
| 2014 | 1,741,122 | 754,229 |
| 2013 | 1,695,973 | 750,021 |
| 2012 | 1,651,417 | 746,288 |
| 2011 | 1,608,076 | 746,153 |
| 2010 | 1,566,347 | 749,256 |
| 2009 | 1,526,377 | 752,094 |
| 2008 | 1,488,054 | 754,606 |
| 2007 | 1,450,986 | 756,861 |
| 2006 | 1,415,303 | 758,966 |
| 2005 | 1,381,585 | 760,914 |
| 2004 | 1,349,563 | 762,418 |
| 2003 | 1,318,806 | 763,101 |
| 2002 | 1,289,307 | 763,652 |
| 2001 | 1,261,273 | 764,477 |
| 2000 | 1,234,741 | 764,832 |
| 1999 | 1,210,206 | 764,483 |
| 1998 | 1,187,473 | 763,586 |
| 1997 | 1,165,545 | 762,245 |
| 1996 | 1,143,535 | 760,526 |
| 1995 | 1,119,949 | 758,388 |
| 1994 | 1,092,031 | 755,822 |
| 1993 | 1,058,745 | 752,965 |
| 1992 | 1,024,356 | 749,911 |
| 1991 | 994,639 | 747,861 |
| 1990 | 973,669 | 749,894 |
| 1989 | 957,789 | 754,865 |
| 1988 | 942,061 | 759,663 |
| 1987 | 926,862 | 764,120 |
| 1986 | 912,126 | 768,098 |
| 1985 | 897,697 | 771,477 |
| 1984 | 883,519 | 774,111 |
| 1983 | 869,592 | 775,891 |
| 1982 | 855,891 | 776,712 |
| 1981 | 842,432 | 776,453 |
| 1980 | 829,303 | 774,367 |
| 1979 | 819,867 | 770,062 |
| 1978 | 791,694 | 764,586 |
| 1977 | 741,789 | 758,654 |
| 1976 | 694,191 | 752,253 |
| 1975 | 650,966 | 745,393 |
| 1974 | 613,338 | 738,057 |
| 1973 | 592,808 | 730,138 |
| 1972 | 586,620 | 721,617 |
| 1971 | 586,221 | 712,662 |
| 1970 | 584,403 | 702,705 |
| 1969 | 581,610 | 690,223 |
| 1968 | 578,170 | 676,160 |
| 1967 | 569,011 | 662,311 |
| 1966 | 566,908 | 648,646 |
| 1965 | 575,005 | 635,128 |
| 1964 | 588,543 | 621,764 |
| 1963 | 594,418 | 608,537 |
| 1962 | 589,474 | 595,461 |
| 1961 | 582,532 | 582,568 |
| 1960 | 577,633 | 569,143 |
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/guyana | CC BY 
From 2006 to 2016, the population of Guinea-Bissau increased by 416,590 people (a 29.4% growth), while Guyana gained 4,582 people (a 0.6% growth).
For the next 10 years, from 2016 to 2026, Guinea-Bissau gained 491,567 people (a 26.8% growth), while Guyana's population increased by 79,875 people (a 10.5% growth).
Guinea-Bissau was ranked 148th most populous country in 2006 and is 146th in 2026. Guyana was ranked 160th in 2006 and ranked 162nd 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 Guyana will increase by 11.7% to 942,132 people and will still be ranked 162nd.
Guinea-Bissau is projected to reach its peak in 2100 at 4.71M people compared to the peak of 963K people in 2067 for Guyana.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Guinea-Bissau
|
Guyana
|
|
| 2100 | 0.15% | -0.41% |
| 2099 | 0.14% | -0.41% |
| 2098 | 0.16% | -0.35% |
| 2097 | 0.19% | -0.37% |
| 2096 | 0.18% | -0.35% |
| 2095 | 0.25% | -0.36% |
| 2094 | 0.24% | -0.33% |
| 2093 | 0.26% | -0.33% |
| 2092 | 0.24% | -0.3% |
| 2091 | 0.25% | -0.3% |
| 2090 | 0.26% | -0.32% |
| 2089 | 0.28% | -0.3% |
| 2088 | 0.3% | -0.28% |
| 2087 | 0.34% | -0.3% |
| 2086 | 0.35% | -0.28% |
| 2085 | 0.37% | -0.25% |
| 2084 | 0.35% | -0.21% |
| 2083 | 0.36% | -0.24% |
| 2082 | 0.37% | -0.19% |
| 2081 | 0.44% | -0.22% |
| 2080 | 0.48% | -0.19% |
| 2079 | 0.49% | -0.18% |
| 2078 | 0.54% | -0.16% |
| 2077 | 0.56% | -0.15% |
| 2076 | 0.62% | -0.13% |
| 2075 | 0.59% | -0.11% |
| 2074 | 0.65% | -0.12% |
| 2073 | 0.66% | -0.12% |
| 2072 | 0.67% | -0.09% |
| 2071 | 0.67% | -0.06% |
| 2070 | 0.71% | -0.07% |
| 2069 | 0.75% | -0.01% |
| 2068 | 0.76% | -0.003% |
| 2067 | 0.77% | 0.01% |
| 2066 | 0.85% | 0.01% |
| 2065 | 0.86% | 0.03% |
| 2064 | 0.89% | 0.05% |
| 2063 | 0.93% | 0.09% |
| 2062 | 0.96% | 0.1% |
| 2061 | 0.93% | 0.13% |
| 2060 | 1.02% | 0.16% |
| 2059 | 1.05% | 0.13% |
| 2058 | 1.05% | 0.14% |
| 2057 | 1.05% | 0.1% |
| 2056 | 1.11% | 0.15% |
| 2055 | 1.18% | 0.18% |
| 2054 | 1.14% | 0.23% |
| 2053 | 1.2% | 0.23% |
| 2052 | 1.28% | 0.19% |
| 2051 | 1.32% | 0.26% |
| 2050 | 1.39% | 0.28% |
| 2049 | 1.4% | 0.3% |
| 2048 | 1.47% | 0.31% |
| 2047 | 1.43% | 0.34% |
| 2046 | 1.52% | 0.33% |
| 2045 | 1.49% | 0.37% |
| 2044 | 1.52% | 0.4% |
| 2043 | 1.54% | 0.42% |
| 2042 | 1.55% | 0.48% |
| 2041 | 1.6% | 0.45% |
| 2040 | 1.67% | 0.47% |
| 2039 | 1.68% | 0.48% |
| 2038 | 1.7% | 0.49% |
| 2037 | 1.77% | 0.48% |
| 2036 | 1.72% | 0.51% |
| 2035 | 1.78% | 0.56% |
| 2034 | 1.89% | 0.56% |
| 2033 | 1.91% | 0.62% |
| 2032 | 1.93% | 0.57% |
| 2031 | 1.93% | 0.6% |
| 2030 | 1.95% | 0.57% |
| 2029 | 2% | 0.58% |
| 2028 | 2.09% | 0.63% |
| 2027 | 2.12% | 0.59% |
| 2026 | 2.17% | 0.59% |
| 2025 | 2.19% | 0.59% |
| 2024 | 2.23% | 0.57% |
| 2023 | 2.27% | 0.57% |
| 2022 | 2.27% | 0.75% |
| 2021 | 2.26% | 0.99% |
| 2020 | 2.32% | -0.02% |
| 2019 | 2.37% | 2.04% |
| 2018 | 2.4% | 3% |
| 2017 | 2.47% | 0.65% |
| 2016 | 2.54% | 0.63% |
| 2015 | 2.6% | 0.6% |
| 2014 | 2.66% | 0.56% |
| 2013 | 2.7% | 0.5% |
| 2012 | 2.7% | 0.02% |
| 2011 | 2.66% | -0.41% |
| 2010 | 2.62% | -0.38% |
| 2009 | 2.58% | -0.33% |
| 2008 | 2.55% | -0.3% |
| 2007 | 2.52% | -0.28% |
| 2006 | 2.44% | -0.26% |
| 2005 | 2.37% | -0.2% |
| 2004 | 2.33% | -0.09% |
| 2003 | 2.29% | -0.07% |
| 2002 | 2.22% | -0.11% |
| 2001 | 2.15% | -0.05% |
| 2000 | 2.03% | 0.05% |
| 1999 | 1.91% | 0.12% |
| 1998 | 1.88% | 0.18% |
| 1997 | 1.92% | 0.23% |
| 1996 | 2.11% | 0.28% |
| 1995 | 2.56% | 0.34% |
| 1994 | 3.14% | 0.38% |
| 1993 | 3.36% | 0.41% |
| 1992 | 2.99% | 0.27% |
| 1991 | 2.15% | -0.27% |
| 1990 | 1.66% | -0.66% |
| 1989 | 1.67% | -0.63% |
| 1988 | 1.64% | -0.58% |
| 1987 | 1.62% | -0.52% |
| 1986 | 1.61% | -0.44% |
| 1985 | 1.6% | -0.34% |
| 1984 | 1.6% | -0.23% |
| 1983 | 1.6% | -0.11% |
| 1982 | 1.6% | 0.03% |
| 1981 | 1.58% | 0.27% |
| 1980 | 1.15% | 0.56% |
| 1979 | 3.56% | 0.72% |
| 1978 | 6.73% | 0.78% |
| 1977 | 6.86% | 0.85% |
| 1976 | 6.64% | 0.92% |
| 1975 | 6.13% | 0.99% |
| 1974 | 3.46% | 1.08% |
| 1973 | 1.05% | 1.18% |
| 1972 | 0.07% | 1.26% |
| 1971 | 0.31% | 1.42% |
| 1970 | 0.48% | 1.81% |
| 1969 | 0.59% | 2.08% |
| 1968 | 1.61% | 2.09% |
| 1967 | 0.37% | 2.11% |
| 1966 | -1.41% | 2.13% |
| 1965 | -2.3% | 2.15% |
| 1964 | -0.99% | 2.17% |
| 1963 | 0.84% | 2.2% |
| 1962 | 1.19% | 2.21% |
| 1961 | 0.85% | 2.36% |
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/guyana | CC BY
In 2025, the population of Guinea-Bissau grew by 2.19%, while Guyana's population grew by 0.59%.
Live population counters
|
Guinea-Bissau
|
Guyana
|
|
|---|---|---|
| Current population |
2323460
|
843423
|
| Population rank | 146/197 | 162/197 |
| Percent of world population | 0.03% | 0.01% |
| One net population change |
10.9 minutes
|
1.79 hours
|
| One birth every |
8.08 minutes
|
31.8 minutes
|
| One death every |
34.1 minutes
|
1.41 hours
|
| Daily growth/decline | +132 | +13 |
| Annual growth/decline | +48,163 | +4,899 |
| Annual growth/decline rate | +2.19% | +0.59% |
| Population growth rate rank | 41/197 | 124/197 |
| One migration net change every |
6.4 hours
|
1.73 hours
|
| Annual migration change | -1,373 | -5,092 |
| Net migration rank | 96/196 | 116/196 |
| Foreign-born residents | 15,064 | 54,175 |
| Foreign-born residents rank | 172/195 | 147/195 |
| Foreign-born share of population | 0.7% | 6.5% |
| Foreign-born share rank | 165/195 | 82/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Guinea-Bissau
|
Guyana
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -1,373 | - | -5,092 |
| 2024 | 49,642 | -1,712 | 10,310 | -5,407 |
| 2023 | 49,498 | -1,400 | 10,716 | -6,161 |
| 2022 | 48,920 | -1,400 | 11,042 | -6,161 |
| 2021 | 47,242 | -1,395 | 8,125 | -689 |
| 2020 | 46,718 | -1,394 | 10,307 | -1,743 |
| 2019 | 47,196 | -1,395 | 11,665 | -20,603 |
| 2018 | 46,659 | -1,396 | 10,946 | 30,213 |
| 2017 | 46,318 | -1,398 | 11,108 | -6,107 |
| 2016 | 46,814 | -1,392 | 11,168 | -6,309 |
| 2015 | 46,846 | -1,393 | 11,199 | -6,527 |
| 2014 | 46,615 | -1,393 | 11,143 | -6,710 |
| 2013 | 46,472 | -1,395 | 10,887 | -6,907 |
| 2012 | 45,480 | -1,442 | 10,633 | -7,152 |
| 2011 | 44,405 | -1,760 | 10,713 | -13,920 |
| 2010 | 43,067 | -2,257 | 10,652 | -13,655 |
| 2009 | 41,950 | -2,821 | 10,758 | -13,425 |
| 2008 | 40,841 | -3,313 | 10,792 | -13,143 |
| 2007 | 40,288 | -3,676 | 10,741 | -12,906 |
| 2006 | 38,886 | -4,142 | 10,525 | -12,575 |
| 2005 | 37,347 | -4,662 | 10,455 | -12,290 |
| 2004 | 36,495 | -5,144 | 10,767 | -11,938 |
| 2003 | 35,649 | -5,487 | 11,344 | -11,551 |
| 2002 | 34,561 | -5,712 | 12,218 | -13,116 |
| 2001 | 33,461 | -6,239 | 13,307 | -14,050 |
| 2000 | 32,816 | -6,971 | 14,128 | -14,090 |
| 1999 | 30,916 | -7,686 | 14,763 | -14,115 |
| 1998 | 30,390 | -8,163 | 15,292 | -14,155 |
| 1997 | 29,792 | -8,176 | 15,568 | -14,019 |
| 1996 | 29,778 | -7,369 | 15,768 | -13,871 |
| 1995 | 29,142 | -4,376 | 15,991 | -13,614 |
| 1994 | 27,895 | 3,174 | 16,185 | -13,426 |
| 1993 | 26,943 | 8,562 | 16,099 | -13,137 |
| 1992 | 25,747 | 7,531 | 15,990 | -12,844 |
| 1991 | 24,527 | 1,621 | 15,896 | -14,949 |
| 1990 | 23,936 | -8,151 | 15,917 | -20,930 |
| 1989 | 24,286 | -8,296 | 15,947 | -20,870 |
| 1988 | 23,940 | -8,473 | 16,189 | -20,860 |
| 1987 | 23,549 | -8,622 | 16,600 | -20,848 |
| 1986 | 23,301 | -8,748 | 16,940 | -20,647 |
| 1985 | 23,116 | -8,812 | 17,292 | -20,337 |
| 1984 | 22,861 | -8,812 | 17,466 | -19,702 |
| 1983 | 22,542 | -8,729 | 17,753 | -19,075 |
| 1982 | 22,131 | -8,539 | 17,644 | -17,959 |
| 1981 | 21,611 | -8,291 | 17,471 | -16,648 |
| 1980 | 21,024 | -8,086 | 17,298 | -13,952 |
| 1979 | 19,736 | -13,801 | 17,402 | -12,138 |
| 1978 | 17,468 | 32,936 | 17,539 | -11,841 |
| 1977 | 15,484 | 33,922 | 17,805 | -11,636 |
| 1976 | 13,688 | 32,113 | 18,083 | -11,445 |
| 1975 | 11,998 | 28,645 | 18,317 | -11,231 |
| 1974 | 10,321 | 24,290 | 18,589 | -11,012 |
| 1973 | 8,430 | -1,985 | 18,991 | -10,731 |
| 1972 | 7,911 | -1,985 | 19,219 | -10,448 |
| 1971 | 8,183 | -13,302 | 19,273 | -10,142 |
| 1970 | 7,632 | 1,123 | 19,233 | -8,439 |
| 1969 | 7,857 | -11,033 | 19,133 | -4,969 |
| 1968 | 7,289 | 2,769 | 19,035 | -5,071 |
| 1967 | 6,742 | 1,516 | 18,933 | -5,192 |
| 1966 | 6,955 | -11,006 | 18,862 | -5,277 |
| 1965 | 7,789 | -19,928 | 18,791 | -5,347 |
| 1964 | 8,989 | -23,936 | 18,729 | -5,437 |
| 1963 | 9,190 | -5,993 | 18,606 | -5,434 |
| 1962 | 10,662 | -3,960 | 18,344 | -5,379 |
| 1961 | 10,756 | -3,575 | 18,092 | -5,267 |
| 1960 | 10,618 | -8,007 | 17,867 | -3,837 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/guinea-bissau/guyana | 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 Guyana 78.3% is from natural causes (a gain of 106,586 people) and 21.7% is from migration (a loss of 29,494 people).
As of 2024, 15,064 residents or 0.7% of the population were not native-born in Guinea-Bissau, compared to 54,175 people or 6.5% in Guyana.
Biggest cities by population
|
Guinea-Bissau
|
|
|---|---|
| City | Population |
| Bissau | 492K |
| Bafata | 29.6K |
|
Guyana
|
|
|---|---|
| City | Population |
| Georgetown | 235K |
| Linden | 28.7K |
| New Amsterdam | 14.8K |
Compare countries by 7 more topics
Population differences between Guinea-Bissau and Guyana
|
Guinea-Bissau
|
Guyana
|
|
|---|---|---|
| Life expectancy | 64.6 years | 70.6 years |
| Average age | 24.4 years | 30.4 years |
| Median age | 20.4 years | 27.2 years |
| Male:Female ratio | 49.4:50.6 | 48.7:51.3 |
| Fertility rate | 3.76 births per woman | 2.4 births per woman |
| Population density | 211.7 ppl/mi² | 10.3 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/guyana | 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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