The population of Guinea-Bissau is expected to grow by 47,000 in 2021 and reach 2,096,000 in 2022. Migration (including immigration and emigration) decreases population by 2,000 people yearly. The population density of Guinea-Bissau has changed from 28.5 in 1980 to 69.5 in 2019.
| Current population | 2,086,137 people at present (Sunday 17th of October 2021) | |
| Median Age | 23.5 years |
| Population density | 72.8 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2021 | 2,048,000 | 47,000 (2.3%) | -2,000 | 23.5 | 73 | 1,097,000 (53.6%) | |
| 2020 | 2,001,000 | 47,000 (2.4%) | -2,000 | 23.4 | 4.34 | 71 | 1,059,000 (52.9%) |
| 2019 | 0 | 0 (0.0%) | -1,999 | 23.3 | 4.41 | 70 | 1,021,000 (52.2%) |
| 2018 | 0 | 0 (0.0%) | -1,999 | 23.1 | 4.49 | 68 | 983,000 (51.6%) |
| 2017 | 0 | 0 (0.0%) | -1,999 | 23.1 | 4.56 | 66 | 946,000 (50.8%) |
| 2016 | 0 | 0 (0.0%) | -1,999 | 22.9 | 4.64 | 65 | 909,556 (50.1%) |
| 2015 | 1,770,526 | 44,782 (2.5%) | -1,999 | 22.9 | 4.71 | 63 | 873,436 (49.3%) |
| 2010 | 1,555,880 | 38,432 (2.5%) | -2,001 | 22.5 | 5.05 | 55 | 703,584 (45.2%) |
| 2005 | 1,380,838 | 30,493 (2.2%) | -5,000 | 22.3 | 5.39 | 49 | 564,307 (40.9%) |
| 2000 | 1,243,229 | 22,435 (1.8%) | -7,980 | 21.9 | 5.82 | 44 | 455,693 (36.7%) |
| 1995 | 1,137,122 | 23,581 (2.1%) | -11,761 | 22.0 | 6.29 | 40 | 371,077 (32.6%) |
| 1990 | 1,012,280 | 23,760 (2.4%) | -6,000 | 22.0 | 6.63 | 36 | 284,764 (28.1%) |
| 1985 | 899,509 | 22,636 (2.5%) | -5,601 | 22.3 | 6.74 | 32 | 201,769 (22.4%) |
| 1980 | 800,854 | 8,392 (1.1%) | -6,000 | 22.8 | 6.49 | 28 | 140,990 (17.6%) |
| 1975 | 778,470 | 9,525 (1.2%) | -15,873 | 24.3 | 6.15 | 28 | 124,166 (16.0%) |
| 1970 | 711,827 | 13,489 (1.9%) | -3,000 | 24.4 | 6.04 | 25 | 107,714 (15.1%) |
| 1965 | 652,562 | 8,601 (1.3%) | -1,446 | 24.5 | 5.97 | 23 | 93,636 (14.3%) |
| 1960 | 616,409 | 7,006 (1.1%) | -4,000 | 24.4 | 5.92 | 22 | 83,832 (13.6%) |
In 2020 the population of Guinea-Bissau was 2,001,000 and the average age decreased from 24.4 in 1960 to 23.4. Urban population has increased from 455,693 (36.7%) in 2000 to 1,097,000 (53.6%) in the current year. The population density of Guinea-Bissau has changed from 28.5 in 1980 to 69.5 in 2019.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 0 | 0 (0.0%) | -2,000 | 23.4 | 4.34 | 71 | 1,059,000 (52.9%) |
| 2025 | 2,242,000 | 49,000 (2.2%) | -1,999 | 24.0 | 4.00 | 80 | 1,254,000 (56.0%) |
| 2030 | 2,493,000 | 51,000 (2.1%) | -1,998 | 24.8 | 3.71 | 89 | 1,456,000 (58.4%) |
| 2035 | 2,755,000 | 53,000 (1.9%) | -1,998 | 25.6 | 3.46 | 98 | 1,661,000 (60.3%) |
| 2040 | 3,031,000 | 56,000 (1.9%) | -2,000 | 26.5 | 3.24 | 108 | 1,873,000 (61.8%) |
| 2045 | 3,316,000 | 58,000 (1.8%) | -1,999 | 27.3 | 3.06 | 118 | 2,098,000 (63.3%) |
| 2050 | 3,603,000 | 58,000 (1.6%) | -1,999 | 28.2 | 2.90 | 128 | 2,332,000 (64.7%) |
The life expectancy at birth should reach 67.9 (65.6 years for male and 70.3 years for females). Population density will go up to 128.1 people per square kilometer.
The population growth rate is 2.35% (47,000 residents, including 19,254 deaths). The demographics of Guinea-Bissau constitutes of 1,039,000 women and 1,009,000 men, which means there are 971 men per 1000 women. As far as age distribution goes, 51.1% of population (1,045,504) is 19 or younger, 45.9% of population (939,008) is between age 20 and 64 and 3.2% of population (65,946) is over 65.