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

Updated on by Georank team

The latest officially reported population of Guinea-Bissau was 2,201,352 in 2024 vs 21,916,000 people in Sri Lanka in 2024. In 2026, based on the adjusted UN estimation, the current Guinea-Bissau's population is 2,311,915 people compared to 22,185,425 in Sri Lanka.

Population statistics:

  • Sri Lanka's population is 9.6 times bigger than Guinea-Bissau's.
  • Guinea-Bissau is ranked the 146th most populous country in the world, while Sri Lanka is the 63rd.
  • The countries together account for 0.3% of the world: 0.03% for Guinea-Bissau vs 0.27% for Sri Lanka.
  • For the last 10 years, Guinea-Bissau has had an average growth rate of +2.4% per year vs +0.57% in Sri Lanka.
  • Since 2006, the population of Guinea-Bissau has increased from 1.42M people to 2.31M (63.4% growth), while Sri Lanka has grown from 20.4M to 22.2M (9.01% growth).

Guinea-Bissau vs Sri Lanka: population by year and forecast

Guinea-Bissau
Factual

Projection
Sri Lanka
Factual

Projection
1x
Year Population
Guinea-Bissau Sri Lanka
2100 4,713,717 20,270,496
2099 4,706,710 20,383,669
2098 4,700,179 20,498,567
2097 4,692,465 20,611,123
2096 4,683,547 20,723,560
2095 4,675,216 20,834,629
2094 4,663,709 20,943,809
2093 4,652,393 21,052,131
2092 4,640,186 21,158,833
2091 4,629,025 21,263,961
2090 4,617,372 21,371,263
2089 4,605,435 21,475,426
2088 4,592,696 21,577,177
2087 4,579,003 21,677,510
2086 4,563,387 21,777,420
2085 4,547,611 21,876,464
2084 4,530,795 21,970,336
2083 4,515,144 22,062,801
2082 4,498,757 22,151,745
2081 4,482,173 22,240,834
2080 4,462,572 22,326,555
2079 4,441,414 22,411,438
2078 4,419,851 22,489,772
2077 4,396,170 22,565,028
2076 4,371,588 22,637,463
2075 4,344,499 22,707,112
2074 4,319,080 22,778,489
2073 4,291,330 22,844,703
2072 4,263,400 22,905,707
2071 4,235,126 22,964,866
2070 4,206,800 23,022,515
2069 4,177,044 23,076,310
2068 4,145,996 23,129,541
2067 4,114,778 23,184,596
2066 4,083,481 23,234,419
2065 4,049,028 23,285,901
2064 4,014,305 23,331,390
2063 3,978,845 23,372,184
2062 3,942,144 23,409,522
2061 3,904,704 23,441,893
2060 3,868,649 23,474,032
2059 3,829,775 23,502,132
2058 3,790,102 23,528,076
2057 3,750,628 23,550,580
2056 3,711,479 23,570,923
2055 3,670,706 23,582,432
2054 3,627,775 23,591,414
2053 3,586,800 23,601,371
2052 3,544,101 23,605,361
2051 3,499,300 23,606,194
2050 3,453,604 23,603,330
2049 3,406,207 23,597,604
2048 3,359,168 23,587,307
2047 3,310,573 23,570,881
2046 3,263,932 23,547,409
2045 3,215,095 23,515,133
2044 3,167,811 23,483,546
2043 3,120,502 23,446,242
2042 3,073,261 23,404,983
2041 3,026,226 23,357,358
2040 2,978,546 23,306,148
2039 2,929,745 23,248,341
2038 2,881,381 23,187,512
2037 2,833,162 23,120,775
2036 2,783,763 23,053,427
2035 2,736,596 22,981,808
2034 2,688,639 22,906,587
2033 2,638,770 22,826,414
2032 2,589,298 22,742,267
2031 2,540,343 22,655,907
2030 2,492,311 22,564,038
2029 2,444,595 22,470,759
2028 2,396,565 22,370,999
2027 2,347,456 22,266,017
2026 2,298,738 22,155,543
2025 2,249,807 22,039,908
2024 2,201,352 21,916,000
2023 2,153,339 22,037,000
2022 2,105,529 22,181,000
2021 2,058,841 22,156,000
2020 2,013,255 21,919,000
2019 1,967,696 21,803,000
2018 1,922,168 21,670,000
2017 1,877,072 21,453,000
2016 1,831,893 21,209,000
2015 1,786,457 20,970,000
2014 1,741,122 20,778,000
2013 1,695,973 20,585,000
2012 1,651,417 21,169,458
2011 1,608,076 21,009,048
2010 1,566,347 20,879,089
2009 1,526,377 20,756,435
2008 1,488,054 20,629,378
2007 1,450,986 20,492,545
2006 1,415,303 20,352,411
2005 1,381,585 20,216,524
2004 1,349,563 20,087,605
2003 1,318,806 19,951,521
2002 1,289,307 19,805,752
2001 1,261,273 19,600,362
2000 1,234,741 19,293,054
1999 1,210,206 18,944,731
1998 1,187,473 18,596,003
1997 1,165,545 18,248,200
1996 1,143,535 17,905,018
1995 1,119,949 17,564,068
1994 1,092,031 17,275,773
1993 1,058,745 17,025,918
1992 1,024,356 16,739,284
1991 994,639 16,475,354
1990 973,669 16,352,458
1989 957,789 16,248,557
1988 942,061 16,078,621
1987 926,862 15,916,576
1986 912,126 15,731,256
1985 897,697 15,544,154
1984 883,519 15,441,860
1983 869,592 15,388,794
1982 855,891 15,286,567
1981 842,432 15,099,414
1980 829,303 14,847,974
1979 819,867 14,579,614
1978 791,694 14,310,128
1977 741,789 14,049,371
1976 694,191 13,796,770
1975 650,966 13,548,984
1974 613,338 13,305,693
1973 592,808 13,060,916
1972 586,620 12,809,205
1971 586,221 12,551,910
1970 584,403 12,287,110
1969 581,610 12,013,858
1968 578,170 11,736,088
1967 569,011 11,457,328
1966 566,908 11,183,928
1965 575,005 10,916,965
1964 588,543 10,653,397
1963 594,418 10,395,040
1962 589,474 10,143,754
1961 582,532 9,899,372
1960 577,633 9,661,389

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/sri-lanka | CC BY

From 2006 to 2016, the population of Guinea-Bissau increased by 416,590 people (a 29.4% growth), while Sri Lanka gained 856,589 people (a 4.21% growth).

For the next 10 years, from 2016 to 2026, Guinea-Bissau gained 480,022 people (a 26.2% growth), while Sri Lanka's population increased by 976,425 people (a 4.6% growth).

Guinea-Bissau was ranked 148th most populous country in 2006 and is 146th in 2026. Sri Lanka was ranked 55th in 2006 and ranked 63rd 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 Sri Lanka will increase by 6.39% to 23,603,330 people and rank change from 63rd to 70th.

Guinea-Bissau is projected to reach its peak in 2100 at 4.71M people compared to the peak of 23.6M people in 2051 for Sri Lanka.

Population growth rate by year

Guinea-Bissau
Factual

Projection
Sri Lanka
Factual

Projection
1x
Year Growth rate
Guinea-Bissau Sri Lanka
2100 0.15% -0.56%
2099 0.14% -0.56%
2098 0.16% -0.55%
2097 0.19% -0.54%
2096 0.18% -0.53%
2095 0.25% -0.52%
2094 0.24% -0.51%
2093 0.26% -0.5%
2092 0.24% -0.49%
2091 0.25% -0.5%
2090 0.26% -0.49%
2089 0.28% -0.47%
2088 0.3% -0.46%
2087 0.34% -0.46%
2086 0.35% -0.45%
2085 0.37% -0.43%
2084 0.35% -0.42%
2083 0.36% -0.4%
2082 0.37% -0.4%
2081 0.44% -0.38%
2080 0.48% -0.38%
2079 0.49% -0.35%
2078 0.54% -0.33%
2077 0.56% -0.32%
2076 0.62% -0.31%
2075 0.59% -0.31%
2074 0.65% -0.29%
2073 0.66% -0.27%
2072 0.67% -0.26%
2071 0.67% -0.25%
2070 0.71% -0.23%
2069 0.75% -0.23%
2068 0.76% -0.24%
2067 0.77% -0.21%
2066 0.85% -0.22%
2065 0.86% -0.19%
2064 0.89% -0.17%
2063 0.93% -0.16%
2062 0.96% -0.14%
2061 0.93% -0.14%
2060 1.02% -0.12%
2059 1.05% -0.11%
2058 1.05% -0.1%
2057 1.05% -0.09%
2056 1.11% -0.05%
2055 1.18% -0.04%
2054 1.14% -0.04%
2053 1.2% -0.02%
2052 1.28% -0.004%
2051 1.32% 0.01%
2050 1.39% 0.02%
2049 1.4% 0.04%
2048 1.47% 0.07%
2047 1.43% 0.1%
2046 1.52% 0.14%
2045 1.49% 0.13%
2044 1.52% 0.16%
2043 1.54% 0.18%
2042 1.55% 0.2%
2041 1.6% 0.22%
2040 1.67% 0.25%
2039 1.68% 0.26%
2038 1.7% 0.29%
2037 1.77% 0.29%
2036 1.72% 0.31%
2035 1.78% 0.33%
2034 1.89% 0.35%
2033 1.91% 0.37%
2032 1.93% 0.38%
2031 1.93% 0.41%
2030 1.95% 0.42%
2029 2% 0.45%
2028 2.09% 0.47%
2027 2.12% 0.5%
2026 2.17% 0.52%
2025 2.2% 0.57%
2024 2.23% -0.55%
2023 2.27% -0.65%
2022 2.27% 0.11%
2021 2.26% 1.08%
2020 2.32% 0.53%
2019 2.37% 0.61%
2018 2.4% 1.01%
2017 2.47% 1.15%
2016 2.54% 1.14%
2015 2.6% 0.92%
2014 2.66% 0.94%
2013 2.7% -2.76%
2012 2.7% 0.76%
2011 2.66% 0.62%
2010 2.62% 0.59%
2009 2.58% 0.62%
2008 2.55% 0.67%
2007 2.52% 0.69%
2006 2.44% 0.67%
2005 2.37% 0.64%
2004 2.33% 0.68%
2003 2.29% 0.74%
2002 2.22% 1.05%
2001 2.15% 1.59%
2000 2.03% 1.84%
1999 1.91% 1.88%
1998 1.88% 1.91%
1997 1.92% 1.92%
1996 2.11% 1.94%
1995 2.56% 1.67%
1994 3.14% 1.47%
1993 3.36% 1.71%
1992 2.99% 1.6%
1991 2.15% 0.75%
1990 1.66% 0.64%
1989 1.67% 1.06%
1988 1.64% 1.02%
1987 1.62% 1.18%
1986 1.61% 1.2%
1985 1.6% 0.66%
1984 1.6% 0.34%
1983 1.6% 0.67%
1982 1.6% 1.24%
1981 1.58% 1.69%
1980 1.15% 1.84%
1979 3.56% 1.88%
1978 6.73% 1.86%
1977 6.86% 1.83%
1976 6.64% 1.83%
1975 6.13% 1.83%
1974 3.46% 1.87%
1973 1.05% 1.97%
1972 0.07% 2.05%
1971 0.31% 2.16%
1970 0.48% 2.27%
1969 0.59% 2.37%
1968 1.61% 2.43%
1967 0.37% 2.44%
1966 -1.41% 2.45%
1965 -2.3% 2.47%
1964 -0.99% 2.49%
1963 0.84% 2.48%
1962 1.19% 2.47%
1961 0.85% 2.46%

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/sri-lanka | CC BY

In 2024, the population of Guinea-Bissau grew by 2.23%, while Sri Lanka's population declined by 0.55%.

Live population counters

Guinea-Bissau Sri Lanka
Current population
2311915
22185425
Population rank 146/197 63/197
Percent of world population 0.03% 0.27%
One net population change
10.9 minutes
4.34 minutes
One birth every
8.13 minutes
2.13 minutes
One death every
34.6 minutes
2.91 minutes
Daily growth/decline +132 -332
Annual growth/decline +48,013 -121,000
Annual growth/decline rate +2.23% -0.55%
Population growth rate rank 42/197 188/197
One migration net change every
6.4 hours
17.2 minutes
Annual migration change -1,373 -30,724
Net migration rank 96/196 165/196
Foreign-born residents 15,064 40,698
Foreign-born residents rank 172/195 156/195
Foreign-born share of population 0.7% 0.2%
Foreign-born share rank 165/195 190/195

Natural population change vs migration

Guinea-Bissau
Natural

Migration
Sri Lanka
Natural

Migration
1x
Year Population change
Guinea-Bissau Sri Lanka
Natural Migration Natural Migration
2025 - -1,373 - -30,724
2024 - -1,712 - -27,245
2023 49,498 -1,400 66,111 -28,011
2022 48,920 -1,400 95,378 -27,435
2021 47,242 -1,395 121,858 -29,586
2020 46,718 -1,394 170,968 -29,875
2019 47,196 -1,395 172,243 -28,426
2018 46,659 -1,396 183,610 -28,607
2017 46,318 -1,398 187,993 -22,324
2016 46,814 -1,392 194,232 -18,388
2015 46,846 -1,393 201,815 -29,797
2014 46,615 -1,393 211,541 -33,672
2013 46,472 -1,395 221,021 -37,754
2012 45,480 -1,442 229,138 -41,955
2011 44,405 -1,760 224,461 -90,839
2010 43,067 -2,257 224,325 -98,060
2009 41,950 -2,821 200,175 -81,130
2008 40,841 -3,313 232,225 -97,144
2007 40,288 -3,676 248,287 -109,695
2006 38,886 -4,142 248,706 -107,045
2005 37,347 -4,662 248,683 -118,594
2004 36,495 -5,144 212,527 -84,795
2003 35,649 -5,487 252,008 -107,573
2002 34,561 -5,712 252,840 -105,718
2001 33,461 -6,239 244,377 19,273
2000 32,816 -6,971 227,060 123,894
1999 30,916 -7,686 206,876 138,799
1998 30,390 -8,163 201,059 150,724
1997 29,792 -8,176 208,193 135,636
1996 29,778 -7,369 215,290 127,236
1995 29,142 -4,376 221,957 117,416
1994 27,895 3,174 228,904 8,323
1993 26,943 8,562 226,257 36,232
1992 25,747 7,531 222,230 88,542
1991 24,527 1,621 218,117 -1,047
1990 23,936 -8,151 224,454 -195,736
1989 24,286 -8,296 212,401 -33,305
1988 23,940 -8,473 219,184 -58,415
1987 23,549 -8,622 226,414 -63,105
1986 23,301 -8,748 233,782 -26,460
1985 23,116 -8,812 247,836 -80,950
1984 22,861 -8,812 263,175 -225,450
1983 22,542 -8,729 277,768 -209,362
1982 22,131 -8,539 300,030 -163,987
1981 21,611 -8,291 328,096 -89,824
1980 21,024 -8,086 328,155 -63,541
1979 19,736 -13,801 329,791 -57,683
1978 17,468 32,936 317,055 -50,189
1977 15,484 33,922 300,038 -45,383
1976 13,688 32,113 291,816 -41,258
1975 11,998 28,645 282,496 -37,475
1974 10,321 24,290 275,521 -33,979
1973 8,430 -1,985 278,577 -30,582
1972 7,911 -1,985 282,494 -27,071
1971 8,183 -13,302 281,200 -22,021
1970 7,632 1,123 286,719 -16,299
1969 7,857 -11,033 286,218 -10,152
1968 7,289 2,769 286,642 -7,163
1967 6,742 1,516 284,738 -6,696
1966 6,955 -11,006 275,549 -6,794
1965 7,789 -19,928 272,422 -7,249
1964 8,989 -23,936 269,584 -7,614
1963 9,190 -5,993 262,880 -8,118
1962 10,662 -3,960 256,719 -8,909
1961 10,756 -3,575 251,087 -10,144
1960 10,618 -8,007 247,631 -12,610

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

GeoRank.org/population/guinea-bissau/sri-lanka | 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 Sri Lanka 85.3% is from natural causes (a gain of 1,605,749 people) and 14.7% is from migration (a loss of 276,121 people).

As of 2024, 15,064 residents or 0.7% of the population were not native-born in Guinea-Bissau, compared to 40,698 people or 0.2% in Sri Lanka.

Biggest cities by population

Guinea-Bissau
City Population
Bissau 492K
Bafata 29.6K
Sri Lanka
City Population
Colombo 648K
Gampaha 191K
Beruwala 165K
Negombo 142K
Kandy 120K
Sri Jayawardenepura Kotte 116K
Trincomalee 99.1K
Galle 93.1K
Matara 68.2K
Anuradhapura 63.2K

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/sri-lanka | 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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