Skip to content

Population in Guinea-Bissau compared to Mauritania: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Guinea-Bissau was 2,249,515 in 2025 vs 5,315,065 people in Mauritania in 2025. In 2026, based on the adjusted UN estimation, the current Guinea-Bissau's population is 2,323,460 people compared to 5,539,189 in Mauritania.

Population statistics:

  • Mauritania's population is 2.38 times bigger than Guinea-Bissau's.
  • Guinea-Bissau is ranked the 146th most populous country in the world, while Mauritania is the 123rd.
  • The countries together account for 0.09% of the world: 0.03% for Guinea-Bissau vs 0.07% for Mauritania.
  • For the last 10 years, Guinea-Bissau has had an average growth rate of +2.36% per year vs +2.98% in Mauritania.
  • Since 2006, the population of Guinea-Bissau has increased from 1.42M people to 2.32M (64.2% growth), while Mauritania has grown from 3.01M to 5.54M (83.8% growth).

Guinea-Bissau vs Mauritania: population by year and forecast

Guinea-Bissau
Factual

Projection
Mauritania
Factual

Projection
1x
Year Population
Guinea-Bissau Mauritania
2100 4,713,104 17,302,938
2099 4,706,098 17,195,692
2098 4,699,568 17,083,078
2097 4,691,855 16,968,365
2096 4,682,938 16,850,394
2095 4,674,608 16,732,430
2094 4,663,103 16,610,512
2093 4,651,788 16,485,880
2092 4,639,582 16,359,440
2091 4,628,423 16,229,167
2090 4,616,772 16,097,149
2089 4,604,837 15,962,562
2088 4,592,099 15,824,899
2087 4,578,407 15,683,760
2086 4,562,793 15,541,281
2085 4,547,020 15,397,701
2084 4,530,206 15,251,533
2083 4,514,557 15,102,125
2082 4,498,172 14,952,194
2081 4,481,590 14,799,309
2080 4,461,992 14,645,548
2079 4,440,836 14,490,500
2078 4,419,277 14,331,284
2077 4,395,599 14,170,045
2076 4,371,019 14,007,555
2075 4,343,934 13,843,393
2074 4,318,519 13,678,579
2073 4,290,772 13,512,182
2072 4,262,846 13,343,946
2071 4,234,576 13,172,876
2070 4,206,253 13,002,521
2069 4,176,501 12,830,090
2068 4,145,457 12,657,711
2067 4,114,243 12,482,299
2066 4,082,951 12,306,495
2065 4,048,502 12,131,679
2064 4,013,784 11,954,090
2063 3,978,328 11,778,351
2062 3,941,631 11,601,323
2061 3,904,197 11,424,089
2060 3,868,146 11,246,850
2059 3,829,277 11,067,732
2058 3,789,609 10,887,645
2057 3,750,140 10,709,500
2056 3,710,996 10,532,648
2055 3,670,229 10,354,318
2054 3,627,303 10,175,517
2053 3,586,333 9,995,645
2052 3,543,640 9,815,104
2051 3,498,845 9,635,288
2050 3,453,155 9,457,400
2049 3,405,764 9,279,576
2048 3,358,731 9,100,595
2047 3,310,142 8,923,220
2046 3,263,507 8,745,286
2045 3,214,677 8,568,910
2044 3,167,400 8,393,773
2043 3,120,097 8,218,850
2042 3,072,862 8,044,865
2041 3,025,833 7,873,599
2040 2,978,159 7,703,561
2039 2,929,364 7,534,623
2038 2,881,007 7,366,187
2037 2,832,794 7,199,542
2036 2,783,401 7,033,866
2035 2,736,240 6,869,186
2034 2,688,290 6,705,635
2033 2,638,427 6,543,505
2032 2,588,961 6,383,229
2031 2,540,013 6,225,030
2030 2,491,987 6,068,395
2029 2,444,278 5,914,109
2028 2,396,253 5,761,715
2027 2,347,151 5,611,635
2026 2,298,439 5,462,675
2025 2,249,515 5,315,065
2024 2,201,352 5,169,395
2023 2,153,339 5,022,441
2022 2,105,529 4,875,637
2021 2,058,841 4,734,874
2020 2,013,255 4,600,131
2019 1,967,696 4,467,708
2018 1,922,168 4,337,685
2017 1,877,072 4,210,600
2016 1,831,893 4,086,657
2015 1,786,457 3,965,959
2014 1,741,122 3,848,514
2013 1,695,973 3,734,318
2012 1,651,417 3,619,034
2011 1,608,076 3,502,811
2010 1,566,347 3,390,965
2009 1,526,377 3,284,448
2008 1,488,054 3,183,269
2007 1,450,986 3,093,059
2006 1,415,303 3,013,660
2005 1,381,585 2,939,059
2004 1,349,563 2,868,664
2003 1,318,806 2,802,046
2002 1,289,307 2,738,655
2001 1,261,273 2,678,760
2000 1,234,741 2,613,441
1999 1,210,206 2,541,698
1998 1,187,473 2,474,651
1997 1,165,545 2,411,306
1996 1,143,535 2,358,188
1995 1,119,949 2,312,017
1994 1,092,031 2,249,454
1993 1,058,745 2,174,328
1992 1,024,356 2,088,135
1991 994,639 2,009,738
1990 973,669 1,951,878
1989 957,789 1,903,048
1988 942,061 1,855,859
1987 926,862 1,803,014
1986 912,126 1,751,835
1985 897,697 1,702,107
1984 883,519 1,653,693
1983 869,592 1,606,746
1982 855,891 1,561,176
1981 842,432 1,516,877
1980 829,303 1,474,043
1979 819,867 1,432,758
1978 791,694 1,392,713
1977 741,789 1,353,768
1976 694,191 1,315,336
1975 650,966 1,277,330
1974 613,338 1,240,188
1973 592,808 1,203,838
1972 586,620 1,168,355
1971 586,221 1,133,702
1970 584,403 1,099,806
1969 581,610 1,066,754
1968 578,170 1,034,739
1967 569,011 1,003,843
1966 566,908 974,157
1965 575,005 945,838
1964 588,543 918,955
1963 594,418 893,423
1962 589,474 869,184
1961 582,532 846,167
1960 577,633 824,298

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/mauritania | CC BY

From 2006 to 2016, the population of Guinea-Bissau increased by 416,590 people (a 29.4% growth), while Mauritania gained 1,072,997 people (a 35.6% growth).

For the next 10 years, from 2016 to 2026, Guinea-Bissau gained 491,567 people (a 26.8% growth), while Mauritania's population increased by 1,452,532 people (a 35.5% growth).

Guinea-Bissau was ranked 148th most populous country in 2006 and is 146th in 2026. Mauritania was ranked 132nd in 2006 and ranked 123rd 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 Mauritania will increase by 70.7% to 9,457,400 people and rank change from 123rd to 103rd.

Guinea-Bissau is projected to reach its peak in 2100 at 4.71M people compared to the peak of 17.3M people in 2100 for Mauritania.

Population growth rate by year

Guinea-Bissau
Factual

Projection
Mauritania
Factual

Projection
1x
Year Growth rate
Guinea-Bissau Mauritania
2100 0.15% 0.62%
2099 0.14% 0.66%
2098 0.16% 0.68%
2097 0.19% 0.7%
2096 0.18% 0.7%
2095 0.25% 0.73%
2094 0.24% 0.76%
2093 0.26% 0.77%
2092 0.24% 0.8%
2091 0.25% 0.82%
2090 0.26% 0.84%
2089 0.28% 0.87%
2088 0.3% 0.9%
2087 0.34% 0.92%
2086 0.35% 0.93%
2085 0.37% 0.96%
2084 0.35% 0.99%
2083 0.36% 1%
2082 0.37% 1.03%
2081 0.44% 1.05%
2080 0.48% 1.07%
2079 0.49% 1.11%
2078 0.54% 1.14%
2077 0.56% 1.16%
2076 0.62% 1.19%
2075 0.59% 1.2%
2074 0.65% 1.23%
2073 0.66% 1.26%
2072 0.67% 1.3%
2071 0.67% 1.31%
2070 0.71% 1.34%
2069 0.75% 1.36%
2068 0.76% 1.41%
2067 0.77% 1.43%
2066 0.85% 1.44%
2065 0.86% 1.49%
2064 0.89% 1.49%
2063 0.93% 1.53%
2062 0.96% 1.55%
2061 0.93% 1.58%
2060 1.02% 1.62%
2059 1.05% 1.65%
2058 1.05% 1.66%
2057 1.05% 1.68%
2056 1.11% 1.72%
2055 1.18% 1.76%
2054 1.14% 1.8%
2053 1.2% 1.84%
2052 1.28% 1.87%
2051 1.32% 1.88%
2050 1.39% 1.92%
2049 1.4% 1.97%
2048 1.47% 1.99%
2047 1.43% 2.03%
2046 1.52% 2.06%
2045 1.49% 2.09%
2044 1.52% 2.13%
2043 1.54% 2.16%
2042 1.55% 2.18%
2041 1.6% 2.21%
2040 1.67% 2.24%
2039 1.68% 2.29%
2038 1.7% 2.31%
2037 1.77% 2.36%
2036 1.72% 2.4%
2035 1.78% 2.44%
2034 1.89% 2.48%
2033 1.91% 2.51%
2032 1.93% 2.54%
2031 1.93% 2.58%
2030 1.95% 2.61%
2029 2% 2.64%
2028 2.09% 2.67%
2027 2.12% 2.73%
2026 2.17% 2.78%
2025 2.19% 2.82%
2024 2.23% 2.93%
2023 2.27% 3.01%
2022 2.27% 2.97%
2021 2.26% 2.93%
2020 2.32% 2.96%
2019 2.37% 3%
2018 2.4% 3.02%
2017 2.47% 3.03%
2016 2.54% 3.04%
2015 2.6% 3.05%
2014 2.66% 3.06%
2013 2.7% 3.19%
2012 2.7% 3.32%
2011 2.66% 3.3%
2010 2.62% 3.24%
2009 2.58% 3.18%
2008 2.55% 2.92%
2007 2.52% 2.63%
2006 2.44% 2.54%
2005 2.37% 2.45%
2004 2.33% 2.38%
2003 2.29% 2.31%
2002 2.22% 2.24%
2001 2.15% 2.5%
2000 2.03% 2.82%
1999 1.91% 2.71%
1998 1.88% 2.63%
1997 1.92% 2.25%
1996 2.11% 2%
1995 2.56% 2.78%
1994 3.14% 3.46%
1993 3.36% 4.13%
1992 2.99% 3.9%
1991 2.15% 2.96%
1990 1.66% 2.57%
1989 1.67% 2.54%
1988 1.64% 2.93%
1987 1.62% 2.92%
1986 1.61% 2.92%
1985 1.6% 2.93%
1984 1.6% 2.92%
1983 1.6% 2.92%
1982 1.6% 2.92%
1981 1.58% 2.91%
1980 1.15% 2.88%
1979 3.56% 2.88%
1978 6.73% 2.88%
1977 6.86% 2.92%
1976 6.64% 2.98%
1975 6.13% 2.99%
1974 3.46% 3.02%
1973 1.05% 3.04%
1972 0.07% 3.06%
1971 0.31% 3.08%
1970 0.48% 3.1%
1969 0.59% 3.09%
1968 1.61% 3.08%
1967 0.37% 3.05%
1966 -1.41% 2.99%
1965 -2.3% 2.93%
1964 -0.99% 2.86%
1963 0.84% 2.79%
1962 1.19% 2.72%
1961 0.85% 2.65%

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/mauritania | CC BY

In 2025, the population of Guinea-Bissau grew by 2.19%, while Mauritania's population grew by 2.82%.

Live population counters

Guinea-Bissau Mauritania
Current population
2323460
5539189
Population rank 146/197 123/197
Percent of world population 0.03% 0.07%
One net population change
10.9 minutes
3.62 minutes
One birth every
8.08 minutes
2.99 minutes
One death every
34.1 minutes
18.8 minutes
Daily growth/decline +132 +399
Annual growth/decline +48,163 +145,670
Annual growth/decline rate +2.19% +2.82%
Population growth rate rank 41/197 18/197
One migration net change every
6.4 hours
1.74 hours
Annual migration change -1,373 -5,044
Net migration rank 96/196 115/196
Foreign-born residents 15,064 195,937
Foreign-born residents rank 172/195 113/195
Foreign-born share of population 0.7% 3.8%
Foreign-born share rank 165/195 107/195

Natural population change vs migration

Guinea-Bissau
Natural

Migration
Mauritania
Natural

Migration
1x
Year Population change
Guinea-Bissau Mauritania
Natural Migration Natural Migration
2025 - -1,373 - -5,044
2024 49,642 -1,712 147,927 -2,185
2023 49,498 -1,400 145,164 2,999
2022 48,920 -1,400 142,451 2,999
2021 47,242 -1,395 137,557 -1,483
2020 46,718 -1,394 134,899 -1,483
2019 47,196 -1,395 134,460 -3,019
2018 46,659 -1,396 131,584 -2,987
2017 46,318 -1,398 128,562 -3,001
2016 46,814 -1,392 125,342 -3,008
2015 46,846 -1,393 122,092 -3,019
2014 46,615 -1,393 118,792 -2,980
2013 46,472 -1,395 115,558 -2,987
2012 45,480 -1,442 113,489 4,515
2011 44,405 -1,760 111,165 3,272
2010 43,067 -2,257 108,121 1,128
2009 41,950 -2,821 105,273 -1,481
2008 40,841 -3,313 102,432 -3,860
2007 40,288 -3,676 98,895 -17,048
2006 38,886 -4,142 94,991 -18,033
2005 37,347 -4,662 90,940 -18,693
2004 36,495 -5,144 87,578 -19,042
2003 35,649 -5,487 83,804 -19,104
2002 34,561 -5,712 80,993 -18,903
2001 33,461 -6,239 78,769 -21,067
2000 32,816 -6,971 75,929 -2,997
1999 30,916 -7,686 73,554 -2,999
1998 30,390 -8,163 72,045 -8,504
1997 29,792 -8,176 71,327 -8,187
1996 29,778 -7,369 71,939 -28,840
1995 29,142 -4,376 72,244 -22,997
1994 27,895 3,174 70,570 5,304
1993 26,943 8,562 68,167 6,217
1992 25,747 7,531 63,501 34,505
1991 24,527 1,621 61,782 -2,997
1990 23,936 -8,151 59,934 -3,000
1989 24,286 -8,296 58,666 -17,941
1988 23,940 -8,473 56,654 -2,997
1987 23,549 -8,622 55,037 -2,998
1986 23,301 -8,748 53,313 -2,998
1985 23,116 -8,812 52,125 -2,998
1984 22,861 -8,812 50,705 -2,998
1983 22,542 -8,729 49,187 -2,998
1982 22,131 -8,539 47,947 -2,998
1981 21,611 -8,291 46,641 -2,998
1980 21,024 -8,086 45,026 -2,997
1979 19,736 -13,801 43,537 -2,997
1978 17,468 32,936 42,539 -2,998
1977 15,484 33,922 41,352 -2,999
1976 13,688 32,113 40,149 -1,645
1975 11,998 28,645 38,975 -1,472
1974 10,321 24,290 38,106 -1,321
1973 8,430 -1,985 37,122 -1,201
1972 7,911 -1,985 36,184 -1,139
1971 8,183 -13,302 35,279 -1,014
1970 7,632 1,123 34,382 -855
1969 7,857 -11,033 33,252 -688
1968 7,289 2,769 32,029 -565
1967 6,742 1,516 30,853 -514
1966 6,955 -11,006 29,502 -466
1965 7,789 -19,928 28,028 -434
1964 8,989 -23,936 26,565 -390
1963 9,190 -5,993 25,250 -362
1962 10,662 -3,960 23,927 -342
1961 10,756 -3,575 22,781 -332
1960 10,618 -8,007 21,604 -318

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/guinea-bissau/mauritania | 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 Mauritania 99% is from natural causes (a gain of 1,350,038 people) and 1.04% is from migration (a loss of 14,187 people).

As of 2024, 15,064 residents or 0.7% of the population were not native-born in Guinea-Bissau, compared to 195,937 people or 3.8% in Mauritania.

Biggest cities by population

Guinea-Bissau
City Population
Bissau 492K
Bafata 29.6K
Mauritania
City Population
Nouakchott 1.45M
Rosso 61.2K

Compare countries by 7 more topics

Population map with other countries

1x

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/mauritania | CC BY

Help us show the world through your eyes

Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.

Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.