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

Updated on by Georank

The latest officially reported population of Guinea-Bissau was 2,249,515 in 2025 vs 71,619,863 people in Thailand in 2025. In 2026, based on the adjusted UN estimation, the current Guinea-Bissau's population is 2,323,460 people compared to 71,565,981 in Thailand.

Population statistics:

  • Thailand's population is 30.8 times bigger than Guinea-Bissau's.
  • Guinea-Bissau is ranked the 146th most populous country in the world, while Thailand is the 21st.
  • The countries together account for 0.89% of the world: 0.03% for Guinea-Bissau vs 0.86% for Thailand.
  • For the last 10 years, Guinea-Bissau has had an average growth rate of +2.36% per year vs +0.18% in Thailand.
  • Since 2006, the population of Guinea-Bissau has increased from 1.42M people to 2.32M (64.2% growth), while Thailand has grown from 66.6M to 71.6M (7.51% growth).

Guinea-Bissau vs Thailand: population by year and forecast

Guinea-Bissau
Factual

Projection
Thailand
Factual

Projection
1x
Year Population
Guinea-Bissau Thailand
2100 4,713,104 45,708,431
2099 4,706,098 46,053,146
2098 4,699,568 46,403,189
2097 4,691,855 46,757,918
2096 4,682,938 47,118,652
2095 4,674,608 47,484,043
2094 4,663,103 47,853,561
2093 4,651,788 48,226,682
2092 4,639,582 48,605,235
2091 4,628,423 48,984,504
2090 4,616,772 49,368,049
2089 4,604,837 49,756,629
2088 4,592,099 50,142,276
2087 4,578,407 50,532,164
2086 4,562,793 50,925,294
2085 4,547,020 51,321,960
2084 4,530,206 51,724,454
2083 4,514,557 52,127,592
2082 4,498,172 52,533,368
2081 4,481,590 52,938,345
2080 4,461,992 53,347,733
2079 4,440,836 53,762,492
2078 4,419,277 54,177,529
2077 4,395,599 54,595,112
2076 4,371,019 55,015,291
2075 4,343,934 55,438,108
2074 4,318,519 55,867,914
2073 4,290,772 56,300,358
2072 4,262,846 56,735,274
2071 4,234,576 57,172,515
2070 4,206,253 57,616,731
2069 4,176,501 58,061,962
2068 4,145,457 58,512,248
2067 4,114,243 58,962,990
2066 4,082,951 59,413,893
2065 4,048,502 59,873,261
2064 4,013,784 60,331,851
2063 3,978,328 60,792,306
2062 3,941,631 61,257,068
2061 3,904,197 61,720,030
2060 3,868,146 62,187,380
2059 3,829,277 62,651,158
2058 3,789,609 63,113,332
2057 3,750,140 63,572,746
2056 3,710,996 64,027,520
2055 3,670,229 64,473,146
2054 3,627,303 64,912,210
2053 3,586,333 65,338,122
2052 3,543,640 65,758,061
2051 3,498,845 66,162,612
2050 3,453,155 66,552,915
2049 3,405,764 66,931,487
2048 3,358,731 67,291,479
2047 3,310,142 67,636,461
2046 3,263,507 67,967,131
2045 3,214,677 68,281,902
2044 3,167,400 68,579,656
2043 3,120,097 68,864,788
2042 3,072,862 69,133,982
2041 3,025,833 69,390,832
2040 2,978,159 69,626,857
2039 2,929,364 69,848,522
2038 2,881,007 70,056,903
2037 2,832,794 70,250,371
2036 2,783,401 70,429,677
2035 2,736,240 70,599,021
2034 2,688,290 70,751,094
2033 2,638,427 70,891,510
2032 2,588,961 71,019,665
2031 2,540,013 71,134,882
2030 2,491,987 71,241,584
2029 2,444,278 71,337,147
2028 2,396,253 71,423,119
2027 2,347,151 71,499,411
2026 2,298,439 71,565,981
2025 2,249,515 71,619,863
2024 2,201,352 71,668,011
2023 2,153,339 71,702,435
2022 2,105,529 71,735,329
2021 2,058,841 71,727,332
2020 2,013,255 71,641,484
2019 1,967,696 71,522,271
2018 1,922,168 71,376,079
2017 1,877,072 71,160,187
2016 1,831,893 70,859,841
2015 1,786,457 70,540,795
2014 1,741,122 70,216,367
2013 1,695,973 69,845,114
2012 1,651,417 69,436,098
2011 1,608,076 69,007,208
2010 1,566,347 68,579,447
2009 1,526,377 68,121,080
2008 1,488,054 67,619,830
2007 1,450,986 67,102,394
2006 1,415,303 66,567,687
2005 1,381,585 66,017,420
2004 1,349,563 65,452,047
2003 1,318,806 64,868,166
2002 1,289,307 64,266,437
2001 1,261,273 63,651,141
2000 1,234,741 63,007,815
1999 1,210,206 62,299,043
1998 1,187,473 61,522,630
1997 1,165,545 60,724,584
1996 1,143,535 59,920,064
1995 1,119,949 59,098,232
1994 1,092,031 58,260,854
1993 1,058,745 57,408,198
1992 1,024,356 56,528,834
1991 994,639 55,637,434
1990 973,669 54,738,329
1989 957,789 53,848,956
1988 942,061 52,969,595
1987 926,862 52,074,105
1986 912,126 51,177,834
1985 897,697 50,270,753
1984 883,519 49,351,708
1983 869,592 48,423,309
1982 855,891 47,494,577
1981 842,432 46,575,855
1980 829,303 45,650,022
1979 819,867 44,718,434
1978 791,694 43,788,976
1977 741,789 42,843,974
1976 694,191 41,896,504
1975 650,966 40,940,005
1974 613,338 39,952,891
1973 592,808 38,947,787
1972 586,620 37,933,929
1971 586,221 36,937,387
1970 584,403 35,954,408
1969 581,610 34,973,782
1968 578,170 34,002,560
1967 569,011 33,037,801
1966 566,908 32,086,071
1965 575,005 31,149,337
1964 588,543 30,232,141
1963 594,418 29,342,322
1962 589,474 28,481,040
1961 582,532 27,650,334
1960 577,633 26,851,747

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/thailand | CC BY

From 2006 to 2016, the population of Guinea-Bissau increased by 416,590 people (a 29.4% growth), while Thailand gained 4,292,154 people (a 6.45% growth).

For the next 10 years, from 2016 to 2026, Guinea-Bissau gained 491,567 people (a 26.8% growth), while Thailand's population increased by 706,140 people (a 1% growth).

Guinea-Bissau was ranked 148th most populous country in 2006 and is 146th in 2026. Thailand was ranked 19th in 2006 and ranked 21st 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 Thailand will decrease by 7% to 66,552,915 people and rank change from 21st to 31st.

Guinea-Bissau is projected to reach its peak in 2100 at 4.71M people, while Thailand's population already peaked in 2022 at 71.7M people and is projected to decrease to 45.7M people by 2100.

Population growth rate by year

Guinea-Bissau
Factual

Projection
Thailand
Factual

Projection
1x
Year Growth rate
Guinea-Bissau Thailand
2100 0.15% -0.75%
2099 0.14% -0.75%
2098 0.16% -0.76%
2097 0.19% -0.77%
2096 0.18% -0.77%
2095 0.25% -0.77%
2094 0.24% -0.77%
2093 0.26% -0.78%
2092 0.24% -0.77%
2091 0.25% -0.78%
2090 0.26% -0.78%
2089 0.28% -0.77%
2088 0.3% -0.77%
2087 0.34% -0.77%
2086 0.35% -0.77%
2085 0.37% -0.78%
2084 0.35% -0.77%
2083 0.36% -0.77%
2082 0.37% -0.76%
2081 0.44% -0.77%
2080 0.48% -0.77%
2079 0.49% -0.77%
2078 0.54% -0.76%
2077 0.56% -0.76%
2076 0.62% -0.76%
2075 0.59% -0.77%
2074 0.65% -0.77%
2073 0.66% -0.77%
2072 0.67% -0.76%
2071 0.67% -0.77%
2070 0.71% -0.77%
2069 0.75% -0.77%
2068 0.76% -0.76%
2067 0.77% -0.76%
2066 0.85% -0.77%
2065 0.86% -0.76%
2064 0.89% -0.76%
2063 0.93% -0.76%
2062 0.96% -0.75%
2061 0.93% -0.75%
2060 1.02% -0.74%
2059 1.05% -0.73%
2058 1.05% -0.72%
2057 1.05% -0.71%
2056 1.11% -0.69%
2055 1.18% -0.68%
2054 1.14% -0.65%
2053 1.2% -0.64%
2052 1.28% -0.61%
2051 1.32% -0.59%
2050 1.39% -0.57%
2049 1.4% -0.53%
2048 1.47% -0.51%
2047 1.43% -0.49%
2046 1.52% -0.46%
2045 1.49% -0.43%
2044 1.52% -0.41%
2043 1.54% -0.39%
2042 1.55% -0.37%
2041 1.6% -0.34%
2040 1.67% -0.32%
2039 1.68% -0.3%
2038 1.7% -0.28%
2037 1.77% -0.25%
2036 1.72% -0.24%
2035 1.78% -0.21%
2034 1.89% -0.2%
2033 1.91% -0.18%
2032 1.93% -0.16%
2031 1.93% -0.15%
2030 1.95% -0.13%
2029 2% -0.12%
2028 2.09% -0.11%
2027 2.12% -0.09%
2026 2.17% -0.08%
2025 2.19% -0.07%
2024 2.23% -0.05%
2023 2.27% -0.05%
2022 2.27% 0.01%
2021 2.26% 0.12%
2020 2.32% 0.17%
2019 2.37% 0.2%
2018 2.4% 0.3%
2017 2.47% 0.42%
2016 2.54% 0.45%
2015 2.6% 0.46%
2014 2.66% 0.53%
2013 2.7% 0.59%
2012 2.7% 0.62%
2011 2.66% 0.62%
2010 2.62% 0.67%
2009 2.58% 0.74%
2008 2.55% 0.77%
2007 2.52% 0.8%
2006 2.44% 0.83%
2005 2.37% 0.86%
2004 2.33% 0.9%
2003 2.29% 0.94%
2002 2.22% 0.97%
2001 2.15% 1.02%
2000 2.03% 1.14%
1999 1.91% 1.26%
1998 1.88% 1.31%
1997 1.92% 1.34%
1996 2.11% 1.39%
1995 2.56% 1.44%
1994 3.14% 1.49%
1993 3.36% 1.56%
1992 2.99% 1.6%
1991 2.15% 1.64%
1990 1.66% 1.65%
1989 1.67% 1.66%
1988 1.64% 1.72%
1987 1.62% 1.75%
1986 1.61% 1.8%
1985 1.6% 1.86%
1984 1.6% 1.92%
1983 1.6% 1.96%
1982 1.6% 1.97%
1981 1.58% 2.03%
1980 1.15% 2.08%
1979 3.56% 2.12%
1978 6.73% 2.21%
1977 6.86% 2.26%
1976 6.64% 2.34%
1975 6.13% 2.47%
1974 3.46% 2.58%
1973 1.05% 2.67%
1972 0.07% 2.7%
1971 0.31% 2.73%
1970 0.48% 2.8%
1969 0.59% 2.86%
1968 1.61% 2.92%
1967 0.37% 2.97%
1966 -1.41% 3.01%
1965 -2.3% 3.03%
1964 -0.99% 3.03%
1963 0.84% 3.02%
1962 1.19% 3%
1961 0.85% 2.97%

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/thailand | CC BY

In 2025, the population of Guinea-Bissau grew by 2.19%, while Thailand's population declined by 0.07%.

Live population counters

Guinea-Bissau Thailand
Current population
2323460
71565981
Population rank 146/197 21/197
Percent of world population 0.03% 0.86%
One net population change
10.9 minutes
10.9 minutes
One birth every
8.08 minutes
54.2 seconds
One death every
34.1 minutes
48.7 seconds
Daily growth/decline +132 -132
Annual growth/decline +48,163 -48,148
Annual growth/decline rate +2.19% -0.07%
Population growth rate rank 41/197 164/197
One migration net change every
6.4 hours
19.2 minutes
Annual migration change -1,373 +27,509
Net migration rank 96/196 30/196
Foreign-born residents 15,064 3,179,399
Foreign-born residents rank 172/195 21/195
Foreign-born share of population 0.7% 4.4%
Foreign-born share rank 165/195 100/195

Natural population change vs migration

Guinea-Bissau
Natural

Migration
Thailand
Natural

Migration
1x
Year Population change
Guinea-Bissau Thailand
Natural Migration Natural Migration
2025 - -1,373 - 27,509
2024 49,642 -1,712 -65,720 23,321
2023 49,498 -1,400 -46,105 19,648
2022 48,920 -1,400 -61,046 21,683
2021 47,242 -1,395 57,382 -2,093
2020 46,718 -1,394 84,107 32,277
2019 47,196 -1,395 116,867 5,221
2018 46,659 -1,396 159,383 10,984
2017 46,318 -1,398 194,695 66,805
2016 46,814 -1,392 226,255 112,978
2015 46,846 -1,393 266,362 32,500
2014 46,615 -1,393 294,628 55,358
2013 46,472 -1,395 325,059 67,452
2012 45,480 -1,442 351,485 74,033
2011 44,405 -1,760 365,670 66,607
2010 43,067 -2,257 370,466 52,791
2009 41,950 -2,821 382,636 110,883
2008 40,841 -3,313 401,730 107,333
2007 40,288 -3,676 425,362 100,486
2006 38,886 -4,142 441,211 102,362
2005 37,347 -4,662 456,378 100,542
2004 36,495 -5,144 466,542 107,199
2003 35,649 -5,487 488,003 105,917
2002 34,561 -5,712 504,299 105,215
2001 33,461 -6,239 524,230 96,817
2000 32,816 -6,971 543,884 121,640
1999 30,916 -7,686 578,073 173,924
1998 30,390 -8,163 617,318 183,471
1997 29,792 -8,176 644,834 150,411
1996 29,778 -7,369 661,397 152,397
1995 29,142 -4,376 682,703 147,226
1994 27,895 3,174 712,589 132,271
1993 26,943 8,562 737,696 122,746
1992 25,747 7,531 754,999 143,318
1991 24,527 1,621 760,508 124,034
1990 23,936 -8,151 760,808 152,916
1989 24,286 -8,296 774,563 90,497
1988 23,940 -8,473 765,252 128,469
1987 23,549 -8,622 774,498 122,791
1986 23,301 -8,748 783,430 111,820
1985 23,116 -8,812 776,935 141,963
1984 22,861 -8,812 779,856 139,345
1983 22,542 -8,729 794,239 143,393
1982 22,131 -8,539 817,951 101,885
1981 21,611 -8,291 839,297 78,337
1980 21,024 -8,086 845,575 88,478
1979 19,736 -13,801 843,434 85,693
1978 17,468 32,936 847,799 82,011
1977 15,484 33,922 871,232 88,937
1976 13,688 32,113 894,072 40,656
1975 11,998 28,645 911,980 66,306
1974 10,321 24,290 923,151 72,801
1973 8,430 -1,985 933,540 80,704
1972 7,911 -1,985 940,420 73,082
1971 8,183 -13,302 936,215 43,400
1970 7,632 1,123 937,116 49,221
1969 7,857 -11,033 948,314 26,551
1968 7,289 2,769 953,806 13,718
1967 6,742 1,516 944,980 17,005
1966 6,955 -11,006 929,469 12,016
1965 7,789 -19,928 909,000 22,995
1964 8,989 -23,936 885,137 17,249
1963 9,190 -5,993 860,728 16,494
1962 10,662 -3,960 828,741 16,605
1961 10,756 -3,575 801,140 14,968
1960 10,618 -8,007 774,190 6,886

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

GeoRank.org/population/guinea-bissau/thailand | 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 Thailand 74.2% is from natural causes (a gain of 932,180 people) and 25.8% is from migration (a gain of 323,324 people).

As of 2024, 15,064 residents or 0.7% of the population were not native-born in Guinea-Bissau, compared to 3,179,399 people or 4.4% in Thailand.

Biggest cities by population

Guinea-Bissau
City Population
Bissau 492K
Bafata 29.6K
Thailand
City Population
Bangkok 5.68M
Chiang Mai 1.2M
Nonthaburi 256K
Pak Kret 190K
Hat Yai 159K
Nakhon Ratchasima 134K
Chaophraya Surasak 133K
Surat Thani 131K
Udon Thani 130K
Klaeng 130K

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/thailand | 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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