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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 2025, based on the adjusted UN estimation, the current Guinea-Bissau's population is 2,288,306 people compared to 22,125,995 in Sri Lanka.

Population statistics:

  • Sri Lanka's population is 9.67 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 2005, the population of Guinea-Bissau has increased from 1.38M people to 2.29M (65.6% growth), while Sri Lanka has grown from 20.2M to 22.1M (9.45% growth).
  • Guinea-Bissau is projected to reach its peak in 2100 at 4.67M people compared to the peak of 23.5M people in 2051 for Sri Lanka.

Guinea-Bissau vs Sri Lanka: live population counter

Guinea-Bissau Sri Lanka
Current population
2288306
22125995
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
One migration net change every
5.12 hours
19.3 minutes
Annual migration change -1,712 -27,245
Daily growth/decline +132 -332
Annual growth/decline +48,013 -121,000
Annual growth/decline rate +2.23% -0.55%
Population growth rate rank 44/197 187/197

Guinea-Bissau and Sri Lanka: population history and growth rate by year chart

Guinea-Bissau
Population

Growth rate
Sri Lanka
Population

Growth rate
Year Population Growth rate
Guinea-Bissau Sri Lanka Guinea-Bissau Sri Lanka
1960 577,633 9,661,389 - -
1961 582,532 9,899,372 0.85% 2.46%
1962 589,474 10,143,754 1.19% 2.47%
1963 594,418 10,395,040 0.84% 2.48%
1964 588,543 10,653,397 -0.99% 2.49%
1965 575,005 10,916,965 -2.3% 2.47%
1966 566,908 11,183,928 -1.41% 2.45%
1967 569,011 11,457,328 0.37% 2.44%
1968 578,170 11,736,088 1.61% 2.43%
1969 581,610 12,013,858 0.59% 2.37%
1970 584,403 12,287,110 0.48% 2.27%
1971 586,221 12,551,910 0.31% 2.16%
1972 586,620 12,809,205 0.07% 2.05%
1973 592,808 13,060,916 1.05% 1.97%
1974 613,338 13,305,693 3.46% 1.87%
1975 650,966 13,548,984 6.13% 1.83%
1976 694,191 13,796,770 6.64% 1.83%
1977 741,789 14,049,371 6.86% 1.83%
1978 791,694 14,310,128 6.73% 1.86%
1979 819,867 14,579,614 3.56% 1.88%
1980 829,303 14,847,974 1.15% 1.84%
1981 842,432 15,099,414 1.58% 1.69%
1982 855,891 15,286,567 1.6% 1.24%
1983 869,592 15,388,794 1.6% 0.67%
1984 883,519 15,441,860 1.6% 0.34%
1985 897,697 15,544,154 1.6% 0.66%
1986 912,126 15,731,256 1.61% 1.2%
1987 926,862 15,916,576 1.62% 1.18%
1988 942,061 16,078,621 1.64% 1.02%
1989 957,789 16,248,557 1.67% 1.06%
1990 973,669 16,352,458 1.66% 0.64%
1991 994,639 16,475,354 2.15% 0.75%
1992 1,024,356 16,739,284 2.99% 1.6%
1993 1,058,745 17,025,918 3.36% 1.71%
1994 1,092,031 17,275,773 3.14% 1.47%
1995 1,119,949 17,564,068 2.56% 1.67%
1996 1,143,535 17,905,018 2.11% 1.94%
1997 1,165,545 18,248,200 1.92% 1.92%
1998 1,187,473 18,596,003 1.88% 1.91%
1999 1,210,206 18,944,731 1.91% 1.88%
2000 1,234,741 19,293,054 2.03% 1.84%
2001 1,261,273 19,600,362 2.15% 1.59%
2002 1,289,307 19,805,752 2.22% 1.05%
2003 1,318,806 19,951,521 2.29% 0.74%
2004 1,349,563 20,087,605 2.33% 0.68%
2005 1,381,585 20,216,524 2.37% 0.64%
2006 1,415,303 20,352,411 2.44% 0.67%
2007 1,450,986 20,492,545 2.52% 0.69%
2008 1,488,054 20,629,378 2.55% 0.67%
2009 1,526,377 20,756,435 2.58% 0.62%
2010 1,566,347 20,879,089 2.62% 0.59%
2011 1,608,076 21,009,048 2.66% 0.62%
2012 1,651,417 21,169,458 2.7% 0.76%
2013 1,695,973 20,585,000 2.7% -2.76%
2014 1,741,122 20,778,000 2.66% 0.94%
2015 1,786,457 20,970,000 2.6% 0.92%
2016 1,831,893 21,209,000 2.54% 1.14%
2017 1,877,072 21,453,000 2.47% 1.15%
2018 1,922,168 21,670,000 2.4% 1.01%
2019 1,967,696 21,803,000 2.37% 0.61%
2020 2,013,255 21,919,000 2.32% 0.53%
2021 2,058,841 22,156,000 2.26% 1.08%
2022 2,105,529 22,181,000 2.27% 0.11%
2023 2,153,339 22,037,000 2.27% -0.65%
2024 2,201,352 21,916,000 2.23% -0.55%
2025 2,249,512 22,035,440 2.19% 0.54%
2026 2,297,807 22,148,172 2.15% 0.51%
2027 2,346,190 22,255,601 2.11% 0.49%
2028 2,394,226 22,357,682 2.05% 0.46%
2029 2,441,574 22,453,922 1.98% 0.43%
2030 2,488,931 22,546,245 1.94% 0.41%
2031 2,536,893 22,635,106 1.93% 0.39%
2032 2,585,565 22,720,118 1.92% 0.38%
2033 2,634,701 22,802,043 1.9% 0.36%
2034 2,683,078 22,879,527 1.84% 0.34%
2035 2,730,136 22,952,739 1.75% 0.32%
2036 2,777,887 23,022,027 1.75% 0.3%
2037 2,826,159 23,088,877 1.74% 0.29%
2038 2,873,929 23,152,480 1.69% 0.28%
2039 2,921,973 23,211,633 1.67% 0.26%
2040 2,969,699 23,265,986 1.63% 0.23%
2041 3,016,537 23,315,260 1.58% 0.21%
2042 3,063,161 23,359,578 1.55% 0.19%
2043 3,109,927 23,398,752 1.53% 0.17%
2044 3,156,704 23,433,096 1.5% 0.15%
2045 3,204,242 23,464,943 1.51% 0.14%
2046 3,251,465 23,492,738 1.47% 0.12%
2047 3,298,563 23,512,629 1.45% 0.08%
2048 3,345,853 23,525,953 1.43% 0.06%
2049 3,392,557 23,533,940 1.4% 0.03%
2050 3,438,597 23,538,230 1.36% 0.02%

From 2005 to 2015, the population of Guinea-Bissau increased by 404,872 people (a 29.3% growth), while Sri Lanka gained 753,476 people (a 3.73% growth).

For the next 10 years, from 2015 to 2025, Guinea-Bissau gained 501,849 (a 28.1% growth), while Sri Lanka's population increased by 1,155,995 (a 5.51% growth).

Guinea-Bissau was ranked 148th most populous country in 2005 and is 146th in 2025. Sri Lanka was ranked 53rd in 2005 and ranked 63rd now.

The UN's World Population Prospects forecasts that with changing growth rate trends in 25 years (in 2050) Guinea-Bissau's population will grow by 50.3% to 3,438,597 people with a rank change from 146th to 136th. The population of Sri Lanka will increase by 6.38% to 23,538,230 people and rank change from 63rd to 70th.

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