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

Updated on by Georank

The latest officially reported population of Guinea-Bissau was 2,249,515 in 2025 vs 32,740,678 people in Madagascar in 2025. In 2026, based on the adjusted UN estimation, the current Guinea-Bissau's population is 2,323,460 people compared to 33,936,132 in Madagascar.

Population statistics:

  • Madagascar's population is 14.6 times bigger than Guinea-Bissau's.
  • Guinea-Bissau is ranked the 146th most populous country in the world, while Madagascar is the 49th.
  • The countries together account for 0.44% of the world: 0.03% for Guinea-Bissau vs 0.41% for Madagascar.
  • For the last 10 years, Guinea-Bissau has had an average growth rate of +2.36% per year vs +2.57% in Madagascar.
  • Since 2006, the population of Guinea-Bissau has increased from 1.42M people to 2.32M (64.2% growth), while Madagascar has grown from 19.7M to 33.9M (72% growth).

Guinea-Bissau vs Madagascar: population by year and forecast

Guinea-Bissau
Factual

Projection
Madagascar
Factual

Projection
1x
Year Population
Guinea-Bissau Madagascar
2100 4,713,104 86,179,580
2099 4,706,098 85,790,370
2098 4,699,568 85,386,169
2097 4,691,855 84,969,767
2096 4,682,938 84,541,363
2095 4,674,608 84,101,733
2094 4,663,103 83,648,271
2093 4,651,788 83,182,675
2092 4,639,582 82,705,710
2091 4,628,423 82,216,203
2090 4,616,772 81,717,468
2089 4,604,837 81,206,806
2088 4,592,099 80,683,320
2087 4,578,407 80,148,075
2086 4,562,793 79,603,046
2085 4,547,020 79,047,406
2084 4,530,206 78,482,616
2083 4,514,557 77,906,589
2082 4,498,172 77,321,070
2081 4,481,590 76,724,415
2080 4,461,992 76,117,046
2079 4,440,836 75,497,666
2078 4,419,277 74,865,716
2077 4,395,599 74,221,281
2076 4,371,019 73,566,810
2075 4,343,934 72,899,578
2074 4,318,519 72,220,039
2073 4,290,772 71,530,359
2072 4,262,846 70,828,530
2071 4,234,576 70,115,645
2070 4,206,253 69,394,756
2069 4,176,501 68,663,443
2068 4,145,457 67,921,934
2067 4,114,243 67,170,963
2066 4,082,951 66,411,266
2065 4,048,502 65,644,233
2064 4,013,784 64,867,634
2063 3,978,328 64,083,768
2062 3,941,631 63,292,113
2061 3,904,197 62,493,456
2060 3,868,146 61,688,314
2059 3,829,277 60,876,714
2058 3,789,609 60,061,091
2057 3,750,140 59,241,569
2056 3,710,996 58,416,388
2055 3,670,229 57,588,488
2054 3,627,303 56,757,952
2053 3,586,333 55,923,669
2052 3,543,640 55,086,396
2051 3,498,845 54,246,667
2050 3,453,155 53,403,817
2049 3,405,764 52,559,645
2048 3,358,731 51,714,462
2047 3,310,142 50,868,979
2046 3,263,507 50,023,282
2045 3,214,677 49,178,377
2044 3,167,400 48,333,861
2043 3,120,097 47,489,686
2042 3,072,862 46,646,849
2041 3,025,833 45,806,003
2040 2,978,159 44,966,710
2039 2,929,364 44,130,890
2038 2,881,007 43,296,592
2037 2,832,794 42,465,456
2036 2,783,401 41,636,814
2035 2,736,240 40,810,847
2034 2,688,290 39,989,445
2033 2,638,427 39,170,206
2032 2,588,961 38,353,879
2031 2,540,013 37,539,603
2030 2,491,987 36,729,526
2029 2,444,278 35,923,382
2028 2,396,253 35,120,762
2027 2,347,151 34,322,223
2026 2,298,439 33,528,352
2025 2,249,515 32,740,678
2024 2,201,352 31,964,956
2023 2,153,339 31,195,932
2022 2,105,529 30,437,261
2021 2,058,841 29,691,083
2020 2,013,255 28,953,556
2019 1,967,696 28,219,554
2018 1,922,168 27,494,926
2017 1,877,072 26,788,375
2016 1,831,893 26,099,952
2015 1,786,457 25,426,702
2014 1,741,122 24,764,348
2013 1,695,973 24,109,290
2012 1,651,417 23,462,438
2011 1,608,076 22,822,300
2010 1,566,347 22,183,340
2009 1,526,377 21,547,280
2008 1,488,054 20,923,840
2007 1,450,986 20,318,583
2006 1,415,303 19,730,909
2005 1,381,585 19,159,707
2004 1,349,563 18,606,608
2003 1,318,806 18,071,854
2002 1,289,307 17,549,913
2001 1,261,273 17,032,939
2000 1,234,741 16,516,338
1999 1,210,206 16,000,506
1998 1,187,473 15,489,364
1997 1,165,545 14,990,814
1996 1,143,535 14,510,711
1995 1,119,949 14,051,275
1994 1,092,031 13,613,850
1993 1,058,745 13,197,345
1992 1,024,356 12,800,870
1991 994,639 12,421,412
1990 973,669 12,055,639
1989 957,789 11,704,998
1988 942,061 11,369,462
1987 926,862 11,047,291
1986 912,126 10,736,857
1985 897,697 10,433,142
1984 883,519 10,134,550
1983 869,592 9,843,044
1982 855,891 9,557,671
1981 842,432 9,279,011
1980 829,303 9,006,032
1979 819,867 8,737,581
1978 791,694 8,475,864
1977 741,789 8,222,240
1976 694,191 7,976,831
1975 650,966 7,739,336
1974 613,338 7,509,726
1973 592,808 7,288,048
1972 586,620 7,074,398
1971 586,221 6,868,868
1970 584,403 6,672,003
1969 581,610 6,484,716
1968 578,170 6,306,493
1967 569,011 6,136,486
1966 566,908 5,974,279
1965 575,005 5,819,116
1964 588,543 5,669,863
1963 594,418 5,525,185
1962 589,474 5,384,150
1961 582,532 5,246,158
1960 577,633 5,111,029

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/madagascar | CC BY

From 2006 to 2016, the population of Guinea-Bissau increased by 416,590 people (a 29.4% growth), while Madagascar gained 6,369,043 people (a 32.3% growth).

For the next 10 years, from 2016 to 2026, Guinea-Bissau gained 491,567 people (a 26.8% growth), while Madagascar's population increased by 7,836,180 people (a 30% growth).

Guinea-Bissau was ranked 148th most populous country in 2006 and is 146th in 2026. Madagascar was ranked 57th in 2006 and ranked 49th 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 Madagascar will increase by 57.4% to 53,403,817 people and rank change from 49th to 37th.

Guinea-Bissau is projected to reach its peak in 2100 at 4.71M people compared to the peak of 86.2M people in 2100 for Madagascar.

Population growth rate by year

Guinea-Bissau
Factual

Projection
Madagascar
Factual

Projection
1x
Year Growth rate
Guinea-Bissau Madagascar
2100 0.15% 0.45%
2099 0.14% 0.47%
2098 0.16% 0.49%
2097 0.19% 0.51%
2096 0.18% 0.52%
2095 0.25% 0.54%
2094 0.24% 0.56%
2093 0.26% 0.58%
2092 0.24% 0.6%
2091 0.25% 0.61%
2090 0.26% 0.63%
2089 0.28% 0.65%
2088 0.3% 0.67%
2087 0.34% 0.68%
2086 0.35% 0.7%
2085 0.37% 0.72%
2084 0.35% 0.74%
2083 0.36% 0.76%
2082 0.37% 0.78%
2081 0.44% 0.8%
2080 0.48% 0.82%
2079 0.49% 0.84%
2078 0.54% 0.87%
2077 0.56% 0.89%
2076 0.62% 0.92%
2075 0.59% 0.94%
2074 0.65% 0.96%
2073 0.66% 0.99%
2072 0.67% 1.02%
2071 0.67% 1.04%
2070 0.71% 1.07%
2069 0.75% 1.09%
2068 0.76% 1.12%
2067 0.77% 1.14%
2066 0.85% 1.17%
2065 0.86% 1.2%
2064 0.89% 1.22%
2063 0.93% 1.25%
2062 0.96% 1.28%
2061 0.93% 1.31%
2060 1.02% 1.33%
2059 1.05% 1.36%
2058 1.05% 1.38%
2057 1.05% 1.41%
2056 1.11% 1.44%
2055 1.18% 1.46%
2054 1.14% 1.49%
2053 1.2% 1.52%
2052 1.28% 1.55%
2051 1.32% 1.58%
2050 1.39% 1.61%
2049 1.4% 1.63%
2048 1.47% 1.66%
2047 1.43% 1.69%
2046 1.52% 1.72%
2045 1.49% 1.75%
2044 1.52% 1.78%
2043 1.54% 1.81%
2042 1.55% 1.84%
2041 1.6% 1.87%
2040 1.67% 1.89%
2039 1.68% 1.93%
2038 1.7% 1.96%
2037 1.77% 1.99%
2036 1.72% 2.02%
2035 1.78% 2.05%
2034 1.89% 2.09%
2033 1.91% 2.13%
2032 1.93% 2.17%
2031 1.93% 2.21%
2030 1.95% 2.24%
2029 2% 2.29%
2028 2.09% 2.33%
2027 2.12% 2.37%
2026 2.17% 2.41%
2025 2.19% 2.43%
2024 2.23% 2.47%
2023 2.27% 2.49%
2022 2.27% 2.51%
2021 2.26% 2.55%
2020 2.32% 2.6%
2019 2.37% 2.64%
2018 2.4% 2.64%
2017 2.47% 2.64%
2016 2.54% 2.65%
2015 2.6% 2.67%
2014 2.66% 2.72%
2013 2.7% 2.76%
2012 2.7% 2.8%
2011 2.66% 2.88%
2010 2.62% 2.95%
2009 2.58% 2.98%
2008 2.55% 2.98%
2007 2.52% 2.98%
2006 2.44% 2.98%
2005 2.37% 2.97%
2004 2.33% 2.96%
2003 2.29% 2.97%
2002 2.22% 3.04%
2001 2.15% 3.13%
2000 2.03% 3.22%
1999 1.91% 3.3%
1998 1.88% 3.33%
1997 1.92% 3.31%
1996 2.11% 3.27%
1995 2.56% 3.21%
1994 3.14% 3.16%
1993 3.36% 3.1%
1992 2.99% 3.05%
1991 2.15% 3.03%
1990 1.66% 3%
1989 1.67% 2.95%
1988 1.64% 2.92%
1987 1.62% 2.89%
1986 1.61% 2.91%
1985 1.6% 2.95%
1984 1.6% 2.96%
1983 1.6% 2.99%
1982 1.6% 3%
1981 1.58% 3.03%
1980 1.15% 3.07%
1979 3.56% 3.09%
1978 6.73% 3.08%
1977 6.86% 3.08%
1976 6.64% 3.07%
1975 6.13% 3.06%
1974 3.46% 3.04%
1973 1.05% 3.02%
1972 0.07% 2.99%
1971 0.31% 2.95%
1970 0.48% 2.89%
1969 0.59% 2.83%
1968 1.61% 2.77%
1967 0.37% 2.72%
1966 -1.41% 2.67%
1965 -2.3% 2.63%
1964 -0.99% 2.62%
1963 0.84% 2.62%
1962 1.19% 2.63%
1961 0.85% 2.64%

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/madagascar | CC BY

In 2025, the population of Guinea-Bissau grew by 2.19%, while Madagascar's population grew by 2.43%.

Live population counters

Guinea-Bissau Madagascar
Current population
2323460
33936132
Population rank 146/197 49/197
Percent of world population 0.03% 0.41%
One net population change
10.9 minutes
40.8 seconds
One birth every
8.08 minutes
31.1 seconds
One death every
34.1 minutes
2.2 minutes
Daily growth/decline +132 +2,125
Annual growth/decline +48,163 +775,722
Annual growth/decline rate +2.19% +2.43%
Population growth rate rank 41/197 28/197
One migration net change every
6.4 hours
3.94 hours
Annual migration change -1,373 -2,227
Net migration rank 96/196 100/196
Foreign-born residents 15,064 38,625
Foreign-born residents rank 172/195 158/195
Foreign-born share of population 0.7% 0.1%
Foreign-born share rank 165/195 193/195

Natural population change vs migration

Guinea-Bissau
Natural

Migration
Madagascar
Natural

Migration
1x
Year Population change
Guinea-Bissau Madagascar
Natural Migration Natural Migration
2025 - -1,373 - -2,227
2024 49,642 -1,712 774,926 -1,795
2023 49,498 -1,400 766,391 -1,487
2022 48,920 -1,400 753,931 -1,487
2021 47,242 -1,395 741,416 -1,480
2020 46,718 -1,394 736,607 -1,480
2019 47,196 -1,395 735,853 -2,976
2018 46,659 -1,396 719,267 -2,887
2017 46,318 -1,398 699,498 -2,784
2016 46,814 -1,392 682,801 -2,687
2015 46,846 -1,393 668,977 -2,594
2014 46,615 -1,393 660,837 -2,522
2013 46,472 -1,395 654,230 -2,445
2012 45,480 -1,442 644,255 -2,334
2011 44,405 -1,760 640,577 -2,219
2010 43,067 -2,257 641,543 -1,979
2009 41,950 -2,821 634,008 -1,429
2008 40,841 -3,313 615,580 -1,255
2007 40,288 -3,676 597,772 -1,563
2006 38,886 -4,142 581,489 -2,336
2005 37,347 -4,662 568,143 -4,869
2004 36,495 -5,144 556,319 -13,393
2003 35,649 -5,487 544,903 -18,345
2002 34,561 -5,712 535,518 -18,209
2001 33,461 -6,239 529,656 -13,014
2000 32,816 -6,971 520,860 -4,298
1999 30,916 -7,686 516,976 -1,891
1998 30,390 -8,163 508,408 -1,222
1997 29,792 -8,176 490,905 -986
1996 29,778 -7,369 471,453 -1,161
1995 29,142 -4,376 450,259 -1,670
1994 27,895 3,174 428,169 -1,905
1993 26,943 8,562 408,801 -2,063
1992 25,747 7,531 388,430 -2,216
1991 24,527 1,621 375,040 -2,330
1990 23,936 -8,151 360,621 -1,777
1989 24,286 -8,296 344,279 -1,848
1988 23,940 -8,473 330,510 -1,883
1987 23,549 -8,622 317,621 -1,896
1986 23,301 -8,748 307,074 -1,914
1985 23,116 -8,812 304,199 -1,947
1984 22,861 -8,812 296,892 -1,965
1983 22,542 -8,729 290,085 -1,979
1982 22,131 -8,539 284,733 -2,093
1981 21,611 -8,291 277,535 -2,864
1980 21,024 -8,086 275,287 -4,005
1979 19,736 -13,801 270,752 -5,126
1978 17,468 32,936 263,684 -5,874
1977 15,484 33,922 255,399 -5,957
1976 13,688 32,113 247,026 -5,655
1975 11,998 28,645 238,774 -5,173
1974 10,321 24,290 230,233 -4,607
1973 8,430 -1,985 221,768 -4,037
1972 7,911 -1,985 213,138 -3,583
1971 8,183 -13,302 204,617 -3,118
1970 7,632 1,123 194,889 -2,658
1969 7,857 -11,033 184,562 -2,216
1968 7,289 2,769 175,869 -1,766
1967 6,742 1,516 167,287 -1,383
1966 6,955 -11,006 159,483 -964
1965 7,789 -19,928 152,362 -550
1964 8,989 -23,936 146,894 -204
1963 9,190 -5,993 142,666 0
1962 10,662 -3,960 139,412 0
1961 10,756 -3,575 136,578 0
1960 10,618 -8,007 133,684 0

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

GeoRank.org/population/guinea-bissau/madagascar | 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 Madagascar 99.7% is from natural causes (a gain of 7,279,667 people) and 0.3% is from migration (a loss of 21,657 people).

As of 2024, 15,064 residents or 0.7% of the population were not native-born in Guinea-Bissau, compared to 38,625 people or 0.1% in Madagascar.

Biggest cities by population

Guinea-Bissau
City Population
Bissau 492K
Bafata 29.6K
Madagascar
City Population
Antananarivo 1.28M
Antsirabe 265K
Toamasina 225K
Toliara 169K

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/madagascar | CC BY

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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)

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