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

Updated on by Georank team

The latest officially reported population of Guinea-Bissau was 2,201,352 in 2024 vs 91,567,738 people in Iran in 2024. In 2026, based on the adjusted UN estimation, the current Guinea-Bissau's population is 2,311,915 people compared to 93,468,444 in Iran.

Population statistics:

  • Iran's population is 40.4 times bigger than Guinea-Bissau's.
  • Guinea-Bissau is ranked the 146th most populous country in the world, while Iran is the 17th.
  • The countries together account for 1.16% of the world: 0.03% for Guinea-Bissau vs 1.13% for Iran.
  • For the last 10 years, Guinea-Bissau has had an average growth rate of +2.4% per year vs +1.19% in Iran.
  • Since 2006, the population of Guinea-Bissau has increased from 1.42M people to 2.31M (63.4% growth), while Iran has grown from 73.4M to 93.5M (27.4% growth).

Guinea-Bissau vs Iran: population by year and forecast

Guinea-Bissau
Factual

Projection
Iran
Factual

Projection
1x
Year Population
Guinea-Bissau Iran
2100 4,713,717 80,713,760
2099 4,706,710 81,246,718
2098 4,700,179 81,770,953
2097 4,692,465 82,295,714
2096 4,683,547 82,818,575
2095 4,675,216 83,338,446
2094 4,663,709 83,854,648
2093 4,652,393 84,371,569
2092 4,640,186 84,888,626
2091 4,629,025 85,410,099
2090 4,617,372 85,934,675
2089 4,605,435 86,466,409
2088 4,592,696 87,004,165
2087 4,579,003 87,549,685
2086 4,563,387 88,105,571
2085 4,547,611 88,668,329
2084 4,530,795 89,239,709
2083 4,515,144 89,817,194
2082 4,498,757 90,402,538
2081 4,482,173 90,995,822
2080 4,462,572 91,595,122
2079 4,441,414 92,196,842
2078 4,419,851 92,801,160
2077 4,396,170 93,405,954
2076 4,371,588 94,007,669
2075 4,344,499 94,606,607
2074 4,319,080 95,197,577
2073 4,291,330 95,783,994
2072 4,263,400 96,355,853
2071 4,235,126 96,915,335
2070 4,206,800 97,460,813
2069 4,177,044 97,988,897
2068 4,145,996 98,496,927
2067 4,114,778 98,978,509
2066 4,083,481 99,439,391
2065 4,049,028 99,877,457
2064 4,014,305 100,288,977
2063 3,978,845 100,668,199
2062 3,942,144 101,017,348
2061 3,904,704 101,332,810
2060 3,868,649 101,612,261
2059 3,829,775 101,858,931
2058 3,790,102 102,061,144
2057 3,750,628 102,228,085
2056 3,711,479 102,358,266
2055 3,670,706 102,449,092
2054 3,627,775 102,498,594
2053 3,586,800 102,508,245
2052 3,544,101 102,480,373
2051 3,499,300 102,417,847
2050 3,453,604 102,318,917
2049 3,406,207 102,189,816
2048 3,359,168 102,024,233
2047 3,310,573 101,832,213
2046 3,263,932 101,613,554
2045 3,215,095 101,371,784
2044 3,167,811 101,104,998
2043 3,120,502 100,818,045
2042 3,073,261 100,512,032
2041 3,026,226 100,188,214
2040 2,978,546 99,849,875
2039 2,929,745 99,501,869
2038 2,881,381 99,137,385
2037 2,833,162 98,759,167
2036 2,783,763 98,366,612
2035 2,736,596 97,963,082
2034 2,688,639 97,546,148
2033 2,638,770 97,118,106
2032 2,589,298 96,671,440
2031 2,540,343 96,204,118
2030 2,492,311 95,718,604
2029 2,444,595 95,195,996
2028 2,396,565 94,623,034
2027 2,347,456 93,987,260
2026 2,298,738 93,276,075
2025 2,249,807 92,478,162
2024 2,201,352 91,567,738
2023 2,153,339 90,608,707
2022 2,105,529 89,524,246
2021 2,058,841 88,455,488
2020 2,013,255 87,723,443
2019 1,967,696 87,051,648
2018 1,922,168 86,117,998
2017 1,877,072 85,026,754
2016 1,831,893 83,812,228
2015 1,786,457 82,619,362
2014 1,741,122 81,502,045
2013 1,695,973 80,414,686
2012 1,651,417 79,370,580
2011 1,608,076 78,383,598
2010 1,566,347 77,420,842
2009 1,526,377 76,457,825
2008 1,488,054 75,514,204
2007 1,450,986 74,602,648
2006 1,415,303 73,392,747
2005 1,381,585 71,828,455
2004 1,349,563 70,256,316
2003 1,318,806 68,769,340
2002 1,289,307 68,011,317
2001 1,261,273 67,452,005
2000 1,234,741 66,418,659
1999 1,210,206 65,445,391
1998 1,187,473 64,519,859
1997 1,165,545 63,639,638
1996 1,143,535 62,881,300
1995 1,119,949 62,205,567
1994 1,092,031 61,520,598
1993 1,058,745 61,403,543
1992 1,024,356 61,184,983
1991 994,639 59,986,931
1990 973,669 58,380,092
1989 957,789 56,704,914
1988 942,061 55,072,694
1987 926,862 53,323,493
1986 912,126 51,446,045
1985 897,697 49,582,289
1984 883,519 47,793,998
1983 869,592 46,029,535
1982 855,891 44,272,141
1981 842,432 41,989,312
1980 829,303 39,842,324
1979 819,867 38,424,952
1978 791,694 37,126,535
1977 741,789 35,933,181
1976 694,191 34,837,271
1975 650,966 33,802,973
1974 613,338 32,796,463
1973 592,808 31,839,838
1972 586,620 30,921,179
1971 586,221 30,029,071
1970 584,403 29,145,100
1969 581,610 28,273,482
1968 578,170 27,437,391
1967 569,011 26,628,432
1966 566,908 25,829,270
1965 575,005 25,036,978
1964 588,543 24,262,859
1963 594,418 23,519,005
1962 589,474 22,807,907
1961 582,532 22,125,726
1960 577,633 21,470,434

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/iran | CC BY

From 2006 to 2016, the population of Guinea-Bissau increased by 416,590 people (a 29.4% growth), while Iran gained 10,419,481 people (a 14.2% growth).

For the next 10 years, from 2016 to 2026, Guinea-Bissau gained 480,022 people (a 26.2% growth), while Iran's population increased by 9,656,216 people (a 11.5% growth).

Guinea-Bissau was ranked 148th most populous country in 2006 and is 146th in 2026. Iran was ranked 17th in 2006 and still ranked 17th 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 Iran will increase by 9.47% to 102,318,917 people and rank change from 17th to 18th.

Guinea-Bissau is projected to reach its peak in 2100 at 4.71M people compared to the peak of 103M people in 2053 for Iran.

Population growth rate by year

Guinea-Bissau
Factual

Projection
Iran
Factual

Projection
1x
Year Growth rate
Guinea-Bissau Iran
2100 0.15% -0.66%
2099 0.14% -0.64%
2098 0.16% -0.64%
2097 0.19% -0.63%
2096 0.18% -0.62%
2095 0.25% -0.62%
2094 0.24% -0.61%
2093 0.26% -0.61%
2092 0.24% -0.61%
2091 0.25% -0.61%
2090 0.26% -0.61%
2089 0.28% -0.62%
2088 0.3% -0.62%
2087 0.34% -0.63%
2086 0.35% -0.63%
2085 0.37% -0.64%
2084 0.35% -0.64%
2083 0.36% -0.65%
2082 0.37% -0.65%
2081 0.44% -0.65%
2080 0.48% -0.65%
2079 0.49% -0.65%
2078 0.54% -0.65%
2077 0.56% -0.64%
2076 0.62% -0.63%
2075 0.59% -0.62%
2074 0.65% -0.61%
2073 0.66% -0.59%
2072 0.67% -0.58%
2071 0.67% -0.56%
2070 0.71% -0.54%
2069 0.75% -0.52%
2068 0.76% -0.49%
2067 0.77% -0.46%
2066 0.85% -0.44%
2065 0.86% -0.41%
2064 0.89% -0.38%
2063 0.93% -0.35%
2062 0.96% -0.31%
2061 0.93% -0.28%
2060 1.02% -0.24%
2059 1.05% -0.2%
2058 1.05% -0.16%
2057 1.05% -0.13%
2056 1.11% -0.09%
2055 1.18% -0.05%
2054 1.14% -0.009%
2053 1.2% 0.03%
2052 1.28% 0.06%
2051 1.32% 0.1%
2050 1.39% 0.13%
2049 1.4% 0.16%
2048 1.47% 0.19%
2047 1.43% 0.22%
2046 1.52% 0.24%
2045 1.49% 0.26%
2044 1.52% 0.28%
2043 1.54% 0.3%
2042 1.55% 0.32%
2041 1.6% 0.34%
2040 1.67% 0.35%
2039 1.68% 0.37%
2038 1.7% 0.38%
2037 1.77% 0.4%
2036 1.72% 0.41%
2035 1.78% 0.43%
2034 1.89% 0.44%
2033 1.91% 0.46%
2032 1.93% 0.49%
2031 1.93% 0.51%
2030 1.95% 0.55%
2029 2% 0.61%
2028 2.09% 0.68%
2027 2.12% 0.76%
2026 2.17% 0.86%
2025 2.2% 0.99%
2024 2.23% 1.06%
2023 2.27% 1.21%
2022 2.27% 1.21%
2021 2.26% 0.83%
2020 2.32% 0.77%
2019 2.37% 1.08%
2018 2.4% 1.28%
2017 2.47% 1.45%
2016 2.54% 1.44%
2015 2.6% 1.37%
2014 2.66% 1.35%
2013 2.7% 1.32%
2012 2.7% 1.26%
2011 2.66% 1.24%
2010 2.62% 1.26%
2009 2.58% 1.25%
2008 2.55% 1.22%
2007 2.52% 1.65%
2006 2.44% 2.18%
2005 2.37% 2.24%
2004 2.33% 2.16%
2003 2.29% 1.11%
2002 2.22% 0.83%
2001 2.15% 1.56%
2000 2.03% 1.49%
1999 1.91% 1.43%
1998 1.88% 1.38%
1997 1.92% 1.21%
1996 2.11% 1.09%
1995 2.56% 1.11%
1994 3.14% 0.19%
1993 3.36% 0.36%
1992 2.99% 2%
1991 2.15% 2.75%
1990 1.66% 2.95%
1989 1.67% 2.96%
1988 1.64% 3.28%
1987 1.62% 3.65%
1986 1.61% 3.76%
1985 1.6% 3.74%
1984 1.6% 3.83%
1983 1.6% 3.97%
1982 1.6% 5.44%
1981 1.58% 5.39%
1980 1.15% 3.69%
1979 3.56% 3.5%
1978 6.73% 3.32%
1977 6.86% 3.15%
1976 6.64% 3.06%
1975 6.13% 3.07%
1974 3.46% 3%
1973 1.05% 2.97%
1972 0.07% 2.97%
1971 0.31% 3.03%
1970 0.48% 3.08%
1969 0.59% 3.05%
1968 1.61% 3.04%
1967 0.37% 3.09%
1966 -1.41% 3.16%
1965 -2.3% 3.19%
1964 -0.99% 3.16%
1963 0.84% 3.12%
1962 1.19% 3.08%
1961 0.85% 3.05%

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/iran | CC BY

In 2024, the population of Guinea-Bissau grew by 2.23%, while Iran's population grew by 1.06%.

Live population counters

Guinea-Bissau Iran
Current population
2311915
93468444
Population rank 146/197 17/197
Percent of world population 0.03% 1.13%
One net population change
10.9 minutes
32.9 seconds
One birth every
8.13 minutes
26.9 seconds
One death every
34.6 minutes
1.24 minutes
Daily growth/decline +132 +2,627
Annual growth/decline +48,013 +959,031
Annual growth/decline rate +2.23% +1.06%
Population growth rate rank 42/197 98/197
One migration net change every
6.4 hours
4.51 minutes
Annual migration change -1,373 +116,786
Net migration rank 96/196 14/196
Foreign-born residents 15,064 3,840,654
Foreign-born residents rank 172/195 17/195
Foreign-born share of population 0.7% 4.2%
Foreign-born share rank 165/195 103/195

Natural population change vs migration

Guinea-Bissau
Natural

Migration
Iran
Natural

Migration
1x
Year Population change
Guinea-Bissau Iran
Natural Migration Natural Migration
2025 - -1,373 - 116,786
2024 - -1,712 - 190,156
2023 49,498 -1,400 750,150 262,044
2022 48,920 -1,400 753,525 403,190
2021 47,242 -1,395 645,725 334,967
2020 46,718 -1,394 663,978 -180,680
2019 47,196 -1,395 893,063 -32,794
2018 46,659 -1,396 1,035,052 -27,946
2017 46,318 -1,398 1,140,549 34,849
2016 46,814 -1,392 1,186,949 66,630
2015 46,846 -1,393 1,178,317 -46,239
2014 46,615 -1,393 1,158,552 -56,042
2013 46,472 -1,395 1,119,533 -47,322
2012 45,480 -1,442 1,073,804 -57,823
2011 44,405 -1,760 1,023,925 -65,924
2010 43,067 -2,257 980,380 -12,849
2009 41,950 -2,821 958,322 211
2008 40,841 -3,313 940,983 -12,184
2007 40,288 -3,676 919,254 -24,950
2006 38,886 -4,142 884,529 640,932
2005 37,347 -4,662 837,305 765,873
2004 36,495 -5,144 801,203 739,996
2003 35,649 -5,487 732,600 700,222
2002 34,561 -5,712 752,205 -668,962
2001 33,461 -6,239 743,658 291,692
2000 32,816 -6,971 731,203 300,133
1999 30,916 -7,686 723,237 191,988
1998 30,390 -8,163 717,655 218,171
1997 29,792 -8,176 726,574 98,009
1996 29,778 -7,369 784,508 -92,435
1995 29,142 -4,376 879,648 -220,258
1994 27,895 3,174 1,008,076 -297,487
1993 26,943 8,562 1,219,658 -1,696,091
1992 25,747 7,531 1,365,466 -451,945
1991 24,527 1,621 1,495,594 -13,059
1990 23,936 -8,151 1,530,434 200,711
1989 24,286 -8,296 1,609,739 9,460
1988 23,940 -8,473 1,614,512 30,688
1987 23,549 -8,622 1,639,644 213,524
1986 23,301 -8,748 1,659,289 242,411
1985 23,116 -8,812 1,661,750 163,999
1984 22,861 -8,812 1,653,051 97,748
1983 22,542 -8,729 1,573,612 204,544
1982 22,131 -8,539 1,514,240 222,390
1981 21,611 -8,291 1,376,830 1,452,169
1980 21,024 -8,086 1,361,293 103,674
1979 19,736 -13,801 1,294,306 75,451
1978 17,468 32,936 1,156,974 70,088
1977 15,484 33,922 1,091,542 68,093
1976 13,688 32,113 1,013,347 18,825
1975 11,998 28,645 929,481 106,921
1974 10,321 24,290 873,369 103,252
1973 8,430 -1,985 831,880 104,779
1972 7,911 -1,985 804,043 96,614
1971 8,183 -13,302 805,830 77,717
1970 7,632 1,123 794,612 89,757
1969 7,857 -11,033 780,660 78,196
1968 7,289 2,769 743,992 69,342
1967 6,742 1,516 727,276 77,313
1966 6,955 -11,006 695,040 98,709
1965 7,789 -19,928 663,029 127,808
1964 8,989 -23,936 635,589 121,817
1963 9,190 -5,993 620,126 110,190
1962 10,662 -3,960 595,538 96,332
1961 10,756 -3,575 594,674 77,811
1960 10,618 -8,007 584,060 54,041

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

GeoRank.org/population/guinea-bissau/iran | 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 Iran 92.5% is from natural causes (a gain of 9,405,860 people) and 7.46% is from migration (a gain of 757,979 people).

As of 2024, 15,064 residents or 0.7% of the population were not native-born in Guinea-Bissau, compared to 3,840,654 people or 4.2% in Iran.

Biggest cities by population

Guinea-Bissau
City Population
Bissau 492K
Bafata 29.6K
Iran
City Population
Tehran 8.69M
Mashhad 3M
Isfahan 1.96M
Karaj 1.59M
Shiraz 1.57M
Tabriz 1.56M
Qom 1.2M
Ahvaz 1.18M
Kermanshah 947K
Urmia 736K

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/iran | CC BY

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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)

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