| Source | UN (World Population Prospects 2024) |
| Date | 27 Apr 2025 |
As of 2025, the population of Guinea-Bissau is projected at 2.25 million, compared to 2.20 million in 2024. It ranks 148th in the world by population and 46th in Africa. The population growth rate in 2025 is projected at 2.15 percent, the 38th highest among 237 countries and dependent territories.
There are 1.11 million males and 1.14 million females in Guinea-Bissau. The percentage of the male population is 49.45%, compared to 50.55% of the female population. Guinea-Bissau has 25k more females than males. The sex ratio in Guinea-Bissau in 2025 will be 97.808 males per 100 females. Guinea-Bissau is in the 106th position in terms of the female-to-male ratio.
| Year | Population | Growth (%) | M per 100 F | ||
|---|---|---|---|---|---|
| Male | Female | Total | |||
| 1950 | 268,529 | 275,098 | 543,627 | 1.43 | 97.612 |
| 1955 | 280,253 | 283,815 | 564,068 | 0.53 | 98.745 |
| 1960 | 288,959 | 288,673 | 577,633 | 0.45 | 100.099 |
| 1965 | 285,459 | 289,547 | 575,005 | -2.11 | 98.588 |
| 1970 | 286,555 | 297,848 | 584,403 | 1.50 | 96.208 |
| 1975 | 316,852 | 334,114 | 650,966 | 6.25 | 94.833 |
| 1980 | 404,514 | 424,788 | 829,303 | 1.56 | 95.227 |
| 1985 | 436,246 | 461,452 | 897,697 | 1.59 | 94.538 |
| 1990 | 472,089 | 501,580 | 973,669 | 1.62 | 94.120 |
| 1995 | 543,625 | 576,325 | 1,119,949 | 2.21 | 94.326 |
| 2000 | 600,123 | 634,617 | 1,234,741 | 2.09 | 94.565 |
| 2005 | 674,030 | 707,555 | 1,381,585 | 2.37 | 95.262 |
| 2010 | 767,354 | 798,992 | 1,566,347 | 2.61 | 96.040 |
| 2015 | 878,606 | 907,850 | 1,786,457 | 2.54 | 96.779 |
| 2020 | 993,130 | 1,020,125 | 2,013,255 | 2.25 | 97.354 |
| 2021 | 1,016,116 | 1,042,725 | 2,058,841 | 2.23 | 97.448 |
| 2022 | 1,039,679 | 1,065,850 | 2,105,529 | 2.26 | 97.545 |
| 2023 | 1,063,795 | 1,089,543 | 2,153,339 | 2.23 | 97.637 |
| 2024 | 1,088,010 | 1,113,342 | 2,201,352 | 2.18 | 97.725 |
| 2025 | 1,112,293 | 1,137,223 | 2,249,515 | 2.15 | 97.808 |
| Year | Life expectancy | Median age | Fertility rate |
|---|---|---|---|
| 1950 | 35.736 | 20.397 | 5.914 |
| 1955 | 36.603 | 21.198 | 5.892 |
| 1960 | 37.554 | 21.953 | 5.921 |
| 1965 | 35.920 | 19.657 | 5.971 |
| 1970 | 37.258 | 18.010 | 6.041 |
| 1975 | 41.934 | 17.670 | 6.150 |
| 1980 | 43.570 | 16.581 | 6.487 |
| 1985 | 45.266 | 15.974 | 6.739 |
| 1990 | 46.890 | 15.918 | 6.501 |
| 1995 | 48.531 | 16.087 | 6.223 |
| 2000 | 50.565 | 16.314 | 5.786 |
| 2005 | 52.949 | 16.723 | 5.460 |
| 2010 | 56.999 | 17.083 | 5.111 |
| 2015 | 60.071 | 17.556 | 4.661 |
| 2020 | 61.343 | 18.364 | 4.075 |
| 2021 | 61.653 | 18.540 | 3.998 |
| 2022 | 63.605 | 18.733 | 3.911 |
| 2023 | 64.085 | 18.943 | 3.836 |
| 2024 | 64.254 | 19.156 | 3.757 |
| 2025 | 64.411 | 19.375 | 3.682 |
| Year | Total | Crude(per 1000) | ||
|---|---|---|---|---|
| Death | Birth | Crude death | Crude birth | |
| 1950 | 15,074 | 25,008 | 27.729 | 46.002 |
| 1955 | 15,428 | 25,563 | 27.352 | 45.319 |
| 1960 | 15,580 | 26,198 | 26.972 | 45.354 |
| 1965 | 16,324 | 24,114 | 28.390 | 41.937 |
| 1970 | 14,921 | 22,553 | 25.532 | 38.591 |
| 1975 | 14,555 | 26,553 | 22.359 | 40.790 |
| 1980 | 19,297 | 40,321 | 23.269 | 48.621 |
| 1985 | 20,043 | 43,159 | 22.327 | 48.077 |
| 1990 | 20,167 | 44,103 | 20.713 | 45.296 |
| 1995 | 20,431 | 49,574 | 18.243 | 44.264 |
| 2000 | 19,470 | 52,286 | 15.769 | 42.346 |
| 2005 | 18,705 | 56,053 | 13.539 | 40.571 |
| 2010 | 16,937 | 60,004 | 10.813 | 38.308 |
| 2015 | 16,036 | 62,882 | 8.976 | 35.199 |
| 2020 | 16,510 | 63,229 | 8.201 | 31.406 |
| 2021 | 16,518 | 63,759 | 8.023 | 30.969 |
| 2022 | 15,210 | 64,131 | 7.224 | 30.458 |
| 2023 | 15,181 | 64,679 | 7.050 | 30.037 |
| 2024 | 15,429 | 65,072 | 7.009 | 29.560 |
| 2025 | 15,694 | 65,468 | 6.977 | 29.103 |
| Year | Population | Urban (%) | |
|---|---|---|---|
| Urban | Rural | ||
| 1950 | 53,616 | 481,814 | 10.014 |
| 1955 | 67,249 | 508,133 | 11.688 |
| 1960 | 83,832 | 532,577 | 13.600 |
| 1965 | 93,635 | 558,927 | 14.349 |
| 1970 | 107,712 | 604,115 | 15.132 |
| 1975 | 124,163 | 654,307 | 15.950 |
| 1980 | 142,580 | 658,274 | 17.804 |
| 1985 | 213,223 | 686,286 | 23.704 |
| 1990 | 312,082 | 700,198 | 30.830 |
| 1995 | 390,837 | 746,285 | 34.371 |
| 2000 | 450,585 | 792,644 | 36.243 |
| 2005 | 526,889 | 853,949 | 38.157 |
| 2010 | 624,074 | 931,806 | 40.111 |
| 2015 | 745,799 | 1,024,727 | 42.123 |
| 2020 | 884,232 | 1,116,462 | 44.196 |
| 2021 | 913,828 | 1,134,311 | 44.617 |
| 2022 | 944,058 | 1,151,951 | 45.041 |
| 2023 | 974,902 | 1,169,345 | 45.466 |
| 2024 | 1,006,379 | 1,186,501 | 45.893 |
| Age group | Male | Female | Total | M per 100 F | |
|---|---|---|---|---|---|
| Persons | Share (%) | ||||
| 00-04 | 153,583 | 149,279 | 302,862 | 13.46 | 102.883 |
| 05-09 | 144,183 | 140,541 | 284,723 | 12.66 | 102.591 |
| 10-14 | 138,808 | 135,738 | 274,546 | 12.20 | 102.262 |
| 15-19 | 123,809 | 121,757 | 245,565 | 10.92 | 101.685 |
| 20-24 | 106,901 | 105,841 | 212,742 | 9.46 | 101.002 |
| 25-29 | 92,459 | 92,299 | 184,757 | 8.21 | 100.173 |
| 30-34 | 79,166 | 79,578 | 158,744 | 7.06 | 99.482 |
| 35-39 | 67,853 | 68,890 | 136,744 | 6.08 | 98.495 |
| 40-44 | 57,348 | 58,670 | 116,019 | 5.16 | 97.747 |
| 45-49 | 45,154 | 48,373 | 93,526 | 4.16 | 93.345 |
| 50-54 | 35,014 | 39,687 | 74,701 | 3.32 | 88.225 |
| 55-59 | 23,681 | 28,703 | 52,384 | 2.33 | 82.504 |
| 60-64 | 16,395 | 22,985 | 39,380 | 1.75 | 71.329 |
| 65-69 | 11,882 | 19,021 | 30,902 | 1.37 | 62.468 |
| 70-74 | 8,169 | 13,462 | 21,631 | 0.96 | 60.682 |
| 75-79 | 4,676 | 7,322 | 11,998 | 0.53 | 63.862 |
| 80-84 | 2,183 | 3,340 | 5,522 | 0.25 | 65.359 |
| 85-89 | 797 | 1,315 | 2,112 | 0.09 | 60.608 |
| 90-94 | 199 | 361 | 560 | 0.02 | 55.125 |
| 95-99 | 30 | 60 | 90 | 0.00 | 50.000 |
| 100+ | 2 | 4 | 6 | 0.00 | 50.000 |
| Total | 1,112,292 | 1,137,226 | 2,249,514 | 97.807 | |