The population of Guinea-Bissau is expected to grow by 47,000 in 2020 and reach 2,048,000 in 2021. Migration (including immigration and emigration) decreases population by 2,000 people yearly. On average there are 68,456 births and 19,254 deaths in Guinea-Bissau per year. Rate of natural increase is approximately 2.46 percent per year. The population density of Guinea-Bissau has changed from 28.5 in 1980 to 67.8 in 2018.
| Current population | 2,012,718 people at present (Tuesday 31st of March 2020) | |
| Median Age | 23.4 years |
| Life expectancy | 58.9 years | |
| Population density | 71.1 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 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 2019 the population of Guinea-Bissau was 1,954,000 and the average age decreased from 24.4 in 1960 to 23.3. Urban population has increased from 455,693 (36.7%) in 2000 to 1,059,000 (52.9%) in the current year. The population density of Guinea-Bissau has changed from 28.5 in 1980 to 67.8 in 2018.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 2,001,000 | 47,000 (2.4%) | -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%) |
Total Guinea-Bissau population should reach 2,001,000 by 2020 and should increase to 3,603,000 people by year 2050. 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 2.41% (47,000 residents, including 19,233 deaths). The demographics of Guinea-Bissau constitutes of 1,015,000 women and 986,000 men, which means there are 971 men per 1000 women. As far as age distribution goes, 51.3% of population (1,025,513) is 19 or younger, 45.8% of population (916,458) is between age 20 and 64 and 3.1% of population (62,431) is over 65.