Skip to content

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

Updated on by Georank team

The latest officially reported population of Guinea-Bissau was 2,201,352 in 2024 vs 232,679,478 people in Nigeria in 2024. In 2026, based on the adjusted UN estimation, the current Guinea-Bissau's population is 2,311,915 people compared to 243,824,469 in Nigeria.

Population statistics:

  • Nigeria's population is 105.5 times bigger than Guinea-Bissau's.
  • Guinea-Bissau is ranked the 146th most populous country in the world, while Nigeria is the 6th.
  • The countries together account for 2.97% of the world: 0.03% for Guinea-Bissau vs 2.94% for Nigeria.
  • For the last 10 years, Guinea-Bissau has had an average growth rate of +2.4% per year vs +2.31% in Nigeria.
  • Since 2006, the population of Guinea-Bissau has increased from 1.42M people to 2.31M (63.4% growth), while Nigeria has grown from 149M to 244M (63.6% growth).

Guinea-Bissau vs Nigeria: population by year and forecast

Guinea-Bissau
Factual

Projection
Nigeria
Factual

Projection
1x
Year Population
Guinea-Bissau Nigeria
2100 4,713,717 481,678,166
2099 4,706,710 481,494,914
2098 4,700,179 481,219,866
2097 4,692,465 480,876,108
2096 4,683,547 480,460,381
2095 4,675,216 479,976,454
2094 4,663,709 479,432,855
2093 4,652,393 478,807,152
2092 4,640,186 478,097,591
2091 4,629,025 477,274,569
2090 4,617,372 476,367,086
2089 4,605,435 475,363,859
2088 4,592,696 474,268,867
2087 4,579,003 473,072,894
2086 4,563,387 471,769,229
2085 4,547,611 470,365,292
2084 4,530,795 468,843,169
2083 4,515,144 467,224,322
2082 4,498,757 465,509,151
2081 4,482,173 463,679,779
2080 4,462,572 461,741,930
2079 4,441,414 459,680,797
2078 4,419,851 457,513,367
2077 4,396,170 455,254,796
2076 4,371,588 452,885,729
2075 4,344,499 450,402,898
2074 4,319,080 447,825,224
2073 4,291,330 445,152,156
2072 4,263,400 442,375,349
2071 4,235,126 439,499,004
2070 4,206,800 436,539,777
2069 4,177,044 433,472,204
2068 4,145,996 430,320,190
2067 4,114,778 427,066,199
2066 4,083,481 423,736,078
2065 4,049,028 420,318,527
2064 4,014,305 416,811,285
2063 3,978,845 413,231,409
2062 3,942,144 409,583,480
2061 3,904,704 405,859,509
2060 3,868,649 402,073,494
2059 3,829,775 398,228,736
2058 3,790,102 394,315,883
2057 3,750,628 390,341,867
2056 3,711,479 386,298,064
2055 3,670,706 382,193,151
2054 3,627,775 378,030,342
2053 3,586,800 373,799,276
2052 3,544,101 369,501,634
2051 3,499,300 365,149,555
2050 3,453,604 360,734,783
2049 3,406,207 356,271,401
2048 3,359,168 351,752,501
2047 3,310,573 347,169,674
2046 3,263,932 342,532,578
2045 3,215,095 337,834,528
2044 3,167,811 333,076,416
2043 3,120,502 328,256,555
2042 3,073,261 323,388,886
2041 3,026,226 318,469,120
2040 2,978,546 313,492,800
2039 2,929,745 308,474,350
2038 2,881,381 303,423,786
2037 2,833,162 298,351,344
2036 2,783,763 293,250,795
2035 2,736,596 288,138,368
2034 2,688,639 283,018,151
2033 2,638,770 277,897,810
2032 2,589,298 272,769,123
2031 2,540,343 267,666,779
2030 2,492,311 262,583,487
2029 2,444,595 257,504,936
2028 2,396,565 252,465,743
2027 2,347,456 247,457,208
2026 2,298,738 242,477,499
2025 2,249,807 237,546,527
2024 2,201,352 232,679,478
2023 2,153,339 227,882,945
2022 2,105,529 223,150,896
2021 2,058,841 218,529,286
2020 2,013,255 213,996,181
2019 1,967,696 209,485,641
2018 1,922,168 204,938,755
2017 1,877,072 200,254,579
2016 1,831,893 195,443,700
2015 1,786,457 190,671,878
2014 1,741,122 185,896,915
2013 1,695,973 181,049,443
2012 1,651,417 176,200,625
2011 1,608,076 171,379,598
2010 1,566,347 166,642,886
2009 1,526,377 162,049,464
2008 1,488,054 157,595,014
2007 1,450,986 153,267,261
2006 1,415,303 149,077,334
2005 1,381,585 145,017,253
2004 1,349,563 141,057,045
2003 1,318,806 137,202,644
2002 1,289,307 133,471,989
2001 1,261,273 129,862,595
2000 1,234,741 126,382,494
1999 1,210,206 123,047,320
1998 1,187,473 119,846,254
1997 1,165,545 116,754,792
1996 1,143,535 113,754,779
1995 1,119,949 110,819,428
1994 1,092,031 107,935,714
1993 1,058,745 105,122,069
1992 1,024,356 102,372,770
1991 994,639 99,720,162
1990 973,669 97,120,925
1989 957,789 94,531,014
1988 942,061 92,020,090
1987 926,862 89,591,716
1986 912,126 87,235,953
1985 897,697 84,897,973
1984 883,519 82,526,443
1983 869,592 80,438,260
1982 855,891 78,378,701
1981 842,432 76,068,103
1980 829,303 73,764,641
1979 819,867 71,498,242
1978 791,694 69,326,532
1977 741,789 67,234,590
1976 694,191 65,258,009
1975 650,966 63,410,815
1974 613,338 61,679,144
1973 592,808 60,082,139
1972 586,620 58,601,748
1971 586,221 57,214,684
1970 584,403 55,893,838
1969 581,610 54,631,914
1968 578,170 53,432,783
1967 569,011 52,293,065
1966 566,908 51,188,234
1965 575,005 50,086,764
1964 588,543 49,012,016
1963 594,418 47,973,575
1962 589,474 46,965,292
1961 582,532 45,989,310
1960 577,633 45,053,782

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/population/guinea-bissau/nigeria | CC BY

From 2006 to 2016, the population of Guinea-Bissau increased by 416,590 people (a 29.4% growth), while Nigeria gained 46,366,366 people (a 31.1% growth).

For the next 10 years, from 2016 to 2026, Guinea-Bissau gained 480,022 people (a 26.2% growth), while Nigeria's population increased by 48,380,769 people (a 24.8% growth).

Guinea-Bissau was ranked 148th most populous country in 2006 and is 146th in 2026. Nigeria was ranked 7th in 2006 and ranked 6th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Guinea-Bissau's population will grow by 49.4% to 3,453,604 people with a rank change from 146th to 136th. The population of Nigeria will increase by 47.9% to 360,734,783 people and rank change from 6th to 5th.

Guinea-Bissau is projected to reach its peak in 2100 at 4.71M people compared to the peak of 482M people in 2100 for Nigeria.

Population growth rate by year

Guinea-Bissau
Factual

Projection
Nigeria
Factual

Projection
1x
Year Growth rate
Guinea-Bissau Nigeria
2100 0.15% 0.04%
2099 0.14% 0.06%
2098 0.16% 0.07%
2097 0.19% 0.09%
2096 0.18% 0.1%
2095 0.25% 0.11%
2094 0.24% 0.13%
2093 0.26% 0.15%
2092 0.24% 0.17%
2091 0.25% 0.19%
2090 0.26% 0.21%
2089 0.28% 0.23%
2088 0.3% 0.25%
2087 0.34% 0.28%
2086 0.35% 0.3%
2085 0.37% 0.32%
2084 0.35% 0.35%
2083 0.36% 0.37%
2082 0.37% 0.39%
2081 0.44% 0.42%
2080 0.48% 0.45%
2079 0.49% 0.47%
2078 0.54% 0.5%
2077 0.56% 0.52%
2076 0.62% 0.55%
2075 0.59% 0.58%
2074 0.65% 0.6%
2073 0.66% 0.63%
2072 0.67% 0.65%
2071 0.67% 0.68%
2070 0.71% 0.71%
2069 0.75% 0.73%
2068 0.76% 0.76%
2067 0.77% 0.79%
2066 0.85% 0.81%
2065 0.86% 0.84%
2064 0.89% 0.87%
2063 0.93% 0.89%
2062 0.96% 0.92%
2061 0.93% 0.94%
2060 1.02% 0.97%
2059 1.05% 0.99%
2058 1.05% 1.02%
2057 1.05% 1.05%
2056 1.11% 1.07%
2055 1.18% 1.1%
2054 1.14% 1.13%
2053 1.2% 1.16%
2052 1.28% 1.19%
2051 1.32% 1.22%
2050 1.39% 1.25%
2049 1.4% 1.28%
2048 1.47% 1.32%
2047 1.43% 1.35%
2046 1.52% 1.39%
2045 1.49% 1.43%
2044 1.52% 1.47%
2043 1.54% 1.51%
2042 1.55% 1.54%
2041 1.6% 1.59%
2040 1.67% 1.63%
2039 1.68% 1.66%
2038 1.7% 1.7%
2037 1.77% 1.74%
2036 1.72% 1.77%
2035 1.78% 1.81%
2034 1.89% 1.84%
2033 1.91% 1.88%
2032 1.93% 1.91%
2031 1.93% 1.94%
2030 1.95% 1.97%
2029 2% 2%
2028 2.09% 2.02%
2027 2.12% 2.05%
2026 2.17% 2.08%
2025 2.2% 2.09%
2024 2.23% 2.1%
2023 2.27% 2.12%
2022 2.27% 2.11%
2021 2.26% 2.12%
2020 2.32% 2.15%
2019 2.37% 2.22%
2018 2.4% 2.34%
2017 2.47% 2.46%
2016 2.54% 2.5%
2015 2.6% 2.57%
2014 2.66% 2.68%
2013 2.7% 2.75%
2012 2.7% 2.81%
2011 2.66% 2.84%
2010 2.62% 2.83%
2009 2.58% 2.83%
2008 2.55% 2.82%
2007 2.52% 2.81%
2006 2.44% 2.8%
2005 2.37% 2.81%
2004 2.33% 2.81%
2003 2.29% 2.8%
2002 2.22% 2.78%
2001 2.15% 2.75%
2000 2.03% 2.71%
1999 1.91% 2.67%
1998 1.88% 2.65%
1997 1.92% 2.64%
1996 2.11% 2.65%
1995 2.56% 2.67%
1994 3.14% 2.68%
1993 3.36% 2.69%
1992 2.99% 2.66%
1991 2.15% 2.68%
1990 1.66% 2.74%
1989 1.67% 2.73%
1988 1.64% 2.71%
1987 1.62% 2.7%
1986 1.61% 2.75%
1985 1.6% 2.87%
1984 1.6% 2.6%
1983 1.6% 2.63%
1982 1.6% 3.04%
1981 1.58% 3.12%
1980 1.15% 3.17%
1979 3.56% 3.13%
1978 6.73% 3.11%
1977 6.86% 3.03%
1976 6.64% 2.91%
1975 6.13% 2.81%
1974 3.46% 2.66%
1973 1.05% 2.53%
1972 0.07% 2.42%
1971 0.31% 2.36%
1970 0.48% 2.31%
1969 0.59% 2.24%
1968 1.61% 2.18%
1967 0.37% 2.16%
1966 -1.41% 2.2%
1965 -2.3% 2.19%
1964 -0.99% 2.16%
1963 0.84% 2.15%
1962 1.19% 2.12%
1961 0.85% 2.08%

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).

GeoRank.org/population/guinea-bissau/nigeria | CC BY

In 2024, the population of Guinea-Bissau grew by 2.23%, while Nigeria's population grew by 2.1%.

Live population counters

Guinea-Bissau Nigeria
Current population
2311915
243824469
Population rank 146/197 6/197
Percent of world population 0.03% 2.94%
One net population change
10.9 minutes
6.58 seconds
One birth every
8.13 minutes
4.2 seconds
One death every
34.6 minutes
11.8 seconds
Daily growth/decline +132 +13,141
Annual growth/decline +48,013 +4,796,533
Annual growth/decline rate +2.23% +2.1%
Population growth rate rank 42/197 48/197
One migration net change every
6.4 hours
34.5 minutes
Annual migration change -1,373 -15,258
Net migration rank 96/196 145/196
Foreign-born residents 15,064 1,403,281
Foreign-born residents rank 172/195 49/195
Foreign-born share of population 0.7% 0.6%
Foreign-born share rank 165/195 173/195

Natural population change vs migration

Guinea-Bissau
Natural

Migration
Nigeria
Natural

Migration
1x
Year Population change
Guinea-Bissau Nigeria
Natural Migration Natural Migration
2025 - -1,373 - -15,258
2024 - -1,712 - -35,202
2023 49,498 -1,400 4,834,309 -57,936
2022 48,920 -1,400 4,739,502 -51,680
2021 47,242 -1,395 4,641,562 -86,115
2020 46,718 -1,394 4,525,164 -14,497
2019 47,196 -1,395 4,609,941 -99,722
2018 46,659 -1,396 4,659,898 -76,565
2017 46,318 -1,398 4,706,183 78,685
2016 46,814 -1,392 4,761,594 75,265
2015 46,846 -1,393 4,823,045 -116,162
2014 46,615 -1,393 4,862,319 -19,376
2013 46,472 -1,395 4,811,751 40,201
2012 45,480 -1,442 4,774,508 71,138
2011 44,405 -1,760 4,728,363 67,808
2010 43,067 -2,257 4,629,173 47,966
2009 41,950 -2,821 4,528,149 -18,422
2008 40,841 -3,313 4,412,976 -13,646
2007 40,288 -3,676 4,265,428 -9,162
2006 38,886 -4,142 4,135,703 -12,093
2005 37,347 -4,662 4,013,788 -17,146
2004 36,495 -5,144 3,877,376 46,370
2003 35,649 -5,487 3,751,120 33,857
2002 34,561 -5,712 3,606,814 69,594
2001 33,461 -6,239 3,478,370 64,163
2000 32,816 -6,971 3,343,196 74,535
1999 30,916 -7,686 3,155,425 97,195
1998 30,390 -8,163 3,003,946 145,575
1997 29,792 -8,176 2,936,500 96,885
1996 29,778 -7,369 2,882,205 84,448
1995 29,142 -4,376 2,830,771 73,243
1994 27,895 3,174 2,735,198 128,134
1993 26,943 8,562 2,673,675 90,200
1992 25,747 7,531 2,596,173 138,412
1991 24,527 1,621 2,527,807 42,760
1990 23,936 -8,151 2,491,928 135,959
1989 24,286 -8,296 2,452,324 99,588
1988 23,940 -8,473 2,376,419 93,510
1987 23,549 -8,622 2,322,397 64,418
1986 23,301 -8,748 2,295,003 29,682
1985 23,116 -8,812 2,289,784 61,514
1984 22,861 -8,812 2,278,060 113,758
1983 22,542 -8,729 2,292,089 -507,539
1982 22,131 -8,539 2,233,401 101,116
1981 21,611 -8,291 2,179,884 106,723
1980 21,024 -8,086 2,121,618 198,672
1979 19,736 -13,801 2,074,807 137,721
1978 17,468 32,936 2,019,621 111,258
1977 15,484 33,922 1,923,917 129,075
1976 13,688 32,113 1,827,289 72,889
1975 11,998 28,645 1,718,623 75,603
1974 10,321 24,290 1,624,813 44,281
1973 8,430 -1,985 1,525,485 -618
1972 7,911 -1,985 1,448,928 -12,962
1971 8,183 -13,302 1,373,896 -35,639
1970 7,632 1,123 1,295,507 7,953
1969 7,857 -11,033 1,213,484 6,912
1968 7,289 2,769 1,168,254 9,615
1967 6,742 1,516 1,082,884 18,683
1966 6,955 -11,006 1,095,582 12,513
1965 7,789 -19,928 1,061,840 32,988
1964 8,989 -23,936 1,028,272 26,411
1963 9,190 -5,993 995,116 27,115
1962 10,662 -3,960 966,452 27,906
1961 10,756 -3,575 932,111 25,515
1960 10,618 -8,007 901,301 12,131

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

GeoRank.org/population/guinea-bissau/nigeria | CC BY

Over the last 10 years, 97.1% of the population change in Guinea-Bissau is from natural causes (a gain of 472,826 people) and 2.87% is from migration (a loss of 13,956 people). In Nigeria 99.2% is from natural causes (a gain of 47,163,517 people) and 0.77% is from migration (a loss of 368,103 people).

As of 2024, 15,064 residents or 0.7% of the population were not native-born in Guinea-Bissau, compared to 1,403,281 people or 0.6% in Nigeria.

Biggest cities by population

Guinea-Bissau
City Population
Bissau 492K
Bafata 29.6K
Nigeria
City Population
Lagos 15.1M
Kano 4.35M
Port Harcourt 3.32M
Ibadan 2.55M
Benin 1.78M
Abuja 1.69M
Onitsha 1.48M
Maiduguri 1.2M
Aba 1.16M
Enugu 1.03M

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

GeoRank.org/population/guinea-bissau/nigeria | 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 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, retrieved 2026-02-08)

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.