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

Updated on by Georank

The latest officially reported population of Guinea was 15,099,727 in 2025 vs 21,756,000 people in Sri Lanka in 2025. In 2026, based on the adjusted UN estimation, the current Guinea's population is 15,624,314 people compared to 21,926,160 in Sri Lanka.

Population statistics:

  • Sri Lanka's population is 1.4 times bigger than Guinea's.
  • Guinea is ranked the 75th most populous country in the world, while Sri Lanka is the 63rd.
  • The countries together account for 0.45% of the world: 0.19% for Guinea vs 0.26% for Sri Lanka.
  • For the last 10 years, Guinea has had an average growth rate of +2.53% per year vs +0.42% in Sri Lanka.
  • Since 2006, the population of Guinea has increased from 9.44M people to 15.6M (65.5% growth), while Sri Lanka has grown from 20.4M to 21.9M (7.73% growth).

Guinea vs Sri Lanka: population by year and forecast

Guinea
Factual

Projection
Sri Lanka
Factual

Projection
1x
Year Population
Guinea Sri Lanka
2100 32,364,089 20,009,380
2099 32,335,737 20,121,095
2098 32,301,888 20,234,513
2097 32,264,245 20,345,619
2096 32,223,409 20,456,607
2095 32,180,906 20,566,246
2094 32,128,461 20,674,019
2093 32,070,233 20,780,946
2092 32,004,039 20,886,274
2091 31,938,993 20,990,047
2090 31,865,431 21,095,968
2089 31,784,278 21,198,788
2088 31,695,025 21,299,229
2087 31,604,442 21,398,269
2086 31,501,968 21,496,892
2085 31,385,846 21,594,661
2084 31,266,394 21,687,323
2083 31,137,977 21,778,597
2082 31,006,787 21,866,395
2081 30,862,718 21,954,337
2080 30,721,315 22,038,953
2079 30,567,350 22,122,744
2078 30,411,381 22,200,069
2077 30,251,450 22,274,355
2076 30,082,310 22,345,857
2075 29,901,467 22,414,609
2074 29,719,623 22,485,066
2073 29,532,278 22,550,427
2072 29,339,197 22,610,645
2071 29,136,328 22,669,042
2070 28,929,558 22,725,948
2069 28,713,370 22,779,050
2068 28,491,765 22,831,596
2067 28,263,091 22,885,941
2066 28,028,228 22,935,123
2065 27,789,471 22,985,942
2064 27,544,497 23,030,844
2063 27,289,819 23,071,114
2062 27,030,698 23,107,970
2061 26,767,195 23,139,924
2060 26,502,170 23,171,649
2059 26,227,034 23,199,387
2058 25,942,870 23,224,997
2057 25,657,776 23,247,211
2056 25,365,788 23,267,292
2055 25,067,342 23,278,653
2054 24,767,401 23,287,520
2053 24,455,823 23,297,347
2052 24,145,399 23,301,287
2051 23,832,003 23,302,108
2050 23,515,546 23,299,282
2049 23,200,886 23,293,630
2048 22,883,237 23,283,465
2047 22,559,713 23,267,251
2046 22,232,988 23,244,081
2045 21,903,369 23,212,221
2044 21,575,120 23,181,041
2043 21,238,706 23,144,217
2042 20,901,770 23,103,489
2041 20,563,787 23,056,478
2040 20,221,476 23,005,928
2039 19,882,253 22,948,866
2038 19,544,803 22,888,821
2037 19,207,349 22,822,943
2036 18,867,323 22,756,462
2035 18,529,941 22,685,766
2034 18,196,482 22,611,514
2033 17,857,890 22,532,374
2032 17,516,126 22,449,310
2031 17,173,592 22,364,063
2030 16,827,321 22,273,377
2029 16,484,980 22,181,300
2028 16,139,132 22,082,826
2027 15,792,131 21,979,196
2026 15,447,070 21,870,145
2025 15,099,727 21,756,000
2024 14,754,785 21,916,000
2023 14,405,468 22,037,000
2022 14,055,137 22,181,000
2021 13,710,513 22,156,000
2020 13,371,183 21,919,000
2019 13,034,346 21,803,000
2018 12,704,774 21,670,000
2017 12,385,659 21,453,000
2016 12,073,030 21,209,000
2015 11,767,070 20,970,000
2014 11,472,924 20,778,000
2013 11,191,873 20,585,000
2012 10,921,581 21,169,458
2011 10,656,810 21,009,048
2010 10,396,086 20,879,089
2009 10,143,534 20,756,435
2008 9,898,870 20,629,378
2007 9,662,281 20,492,545
2006 9,441,171 20,352,411
2005 9,245,844 20,216,524
2004 9,062,726 20,087,605
2003 8,870,781 19,951,521
2002 8,674,066 19,805,752
2001 8,539,960 19,600,362
2000 8,428,832 19,293,054
1999 8,265,123 18,944,731
1998 8,081,990 18,596,003
1997 7,931,370 18,248,200
1996 7,770,035 17,905,018
1995 7,553,249 17,564,068
1994 7,345,107 17,275,773
1993 7,128,177 17,025,918
1992 6,914,366 16,739,284
1991 6,697,166 16,475,354
1990 6,434,374 16,352,458
1989 6,215,811 16,248,557
1988 6,056,574 16,078,621
1987 5,900,198 15,916,576
1986 5,750,668 15,731,256
1985 5,610,373 15,544,154
1984 5,480,096 15,441,860
1983 5,359,814 15,388,794
1982 5,247,672 15,286,567
1981 5,143,288 15,099,414
1980 5,047,419 14,847,974
1979 4,959,283 14,579,614
1978 4,877,854 14,310,128
1977 4,801,128 14,049,371
1976 4,727,022 13,796,770
1975 4,653,876 13,548,984
1974 4,580,510 13,305,693
1973 4,506,324 13,060,916
1972 4,431,292 12,809,205
1971 4,355,200 12,551,910
1970 4,277,535 12,287,110
1969 4,198,300 12,013,858
1968 4,118,550 11,736,088
1967 4,040,153 11,457,328
1966 3,964,155 11,183,928
1965 3,890,716 10,916,965
1964 3,819,722 10,653,397
1963 3,750,954 10,395,040
1962 3,684,273 10,143,754
1961 3,619,551 9,899,372
1960 3,556,749 9,661,389

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/sri-lanka | CC BY

From 2006 to 2016, the population of Guinea increased by 2,631,859 people (a 27.9% growth), while Sri Lanka gained 856,589 people (a 4.21% growth).

For the next 10 years, from 2016 to 2026, Guinea gained 3,551,284 people (a 29.4% growth), while Sri Lanka's population increased by 717,160 people (a 3.38% growth).

Guinea was ranked 84th most populous country in 2006 and is 75th 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's population will grow by 50.5% to 23,515,546 people with a rank change from 75th to 70th. The population of Sri Lanka will increase by 6.26% to 23,299,282 people and rank change from 63rd to 71st.

Guinea is projected to reach its peak in 2100 at 32.4M people compared to the peak of 23.3M people in 2051 for Sri Lanka.

Population growth rate by year

Guinea
Factual

Projection
Sri Lanka
Factual

Projection
1x
Year Growth rate
Guinea Sri Lanka
2100 0.09% -0.56%
2099 0.1% -0.56%
2098 0.12% -0.55%
2097 0.13% -0.54%
2096 0.13% -0.53%
2095 0.16% -0.52%
2094 0.18% -0.51%
2093 0.21% -0.5%
2092 0.2% -0.49%
2091 0.23% -0.5%
2090 0.26% -0.49%
2089 0.28% -0.47%
2088 0.29% -0.46%
2087 0.33% -0.46%
2086 0.37% -0.45%
2085 0.38% -0.43%
2084 0.41% -0.42%
2083 0.42% -0.4%
2082 0.47% -0.4%
2081 0.46% -0.38%
2080 0.5% -0.38%
2079 0.51% -0.35%
2078 0.53% -0.33%
2077 0.56% -0.32%
2076 0.6% -0.31%
2075 0.61% -0.31%
2074 0.63% -0.29%
2073 0.66% -0.27%
2072 0.7% -0.26%
2071 0.71% -0.25%
2070 0.75% -0.23%
2069 0.78% -0.23%
2068 0.81% -0.24%
2067 0.84% -0.21%
2066 0.86% -0.22%
2065 0.89% -0.19%
2064 0.93% -0.17%
2063 0.96% -0.16%
2062 0.98% -0.14%
2061 1% -0.14%
2060 1.05% -0.12%
2059 1.1% -0.11%
2058 1.11% -0.1%
2057 1.15% -0.09%
2056 1.19% -0.05%
2055 1.21% -0.04%
2054 1.27% -0.04%
2053 1.29% -0.02%
2052 1.32% -0.004%
2051 1.35% 0.01%
2050 1.36% 0.02%
2049 1.39% 0.04%
2048 1.43% 0.07%
2047 1.47% 0.1%
2046 1.5% 0.14%
2045 1.52% 0.13%
2044 1.58% 0.16%
2043 1.61% 0.18%
2042 1.64% 0.2%
2041 1.69% 0.22%
2040 1.71% 0.25%
2039 1.73% 0.26%
2038 1.76% 0.29%
2037 1.8% 0.29%
2036 1.82% 0.31%
2035 1.83% 0.33%
2034 1.9% 0.35%
2033 1.95% 0.37%
2032 1.99% 0.38%
2031 2.06% 0.41%
2030 2.08% 0.42%
2029 2.14% 0.45%
2028 2.2% 0.47%
2027 2.23% 0.5%
2026 2.3% 0.52%
2025 2.34% -0.73%
2024 2.42% -0.55%
2023 2.49% -0.65%
2022 2.51% 0.11%
2021 2.54% 1.08%
2020 2.58% 0.53%
2019 2.59% 0.61%
2018 2.58% 1.01%
2017 2.59% 1.15%
2016 2.6% 1.14%
2015 2.56% 0.92%
2014 2.51% 0.94%
2013 2.47% -2.76%
2012 2.48% 0.76%
2011 2.51% 0.62%
2010 2.49% 0.59%
2009 2.47% 0.62%
2008 2.45% 0.67%
2007 2.34% 0.69%
2006 2.11% 0.67%
2005 2.02% 0.64%
2004 2.16% 0.68%
2003 2.27% 0.74%
2002 1.57% 1.05%
2001 1.32% 1.59%
2000 1.98% 1.84%
1999 2.27% 1.88%
1998 1.9% 1.91%
1997 2.08% 1.92%
1996 2.87% 1.94%
1995 2.83% 1.67%
1994 3.04% 1.47%
1993 3.09% 1.71%
1992 3.24% 1.6%
1991 4.08% 0.75%
1990 3.52% 0.64%
1989 2.63% 1.06%
1988 2.65% 1.02%
1987 2.6% 1.18%
1986 2.5% 1.2%
1985 2.38% 0.66%
1984 2.24% 0.34%
1983 2.14% 0.67%
1982 2.03% 1.24%
1981 1.9% 1.69%
1980 1.78% 1.84%
1979 1.67% 1.88%
1978 1.6% 1.86%
1977 1.57% 1.83%
1976 1.57% 1.83%
1975 1.6% 1.83%
1974 1.65% 1.87%
1973 1.69% 1.97%
1972 1.75% 2.05%
1971 1.82% 2.16%
1970 1.89% 2.27%
1969 1.94% 2.37%
1968 1.94% 2.43%
1967 1.92% 2.44%
1966 1.89% 2.45%
1965 1.86% 2.47%
1964 1.83% 2.49%
1963 1.81% 2.48%
1962 1.79% 2.47%
1961 1.77% 2.46%

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/sri-lanka | CC BY

In 2025, the population of Guinea grew by 2.34%, while Sri Lanka's population declined by 0.73%.

Live population counters

Guinea Sri Lanka
Current population
15624314
21926160
Population rank 75/197 63/197
Percent of world population 0.19% 0.26%
One net population change
1.53 minutes
3.29 minutes
One birth every
1.07 minutes
2.37 minutes
One death every
3.95 minutes
3.07 minutes
Daily growth/decline +945 -438
Annual growth/decline +344,942 -160,000
Annual growth/decline rate +2.34% -0.73%
Population growth rate rank 34/197 190/197
One migration net change every
32.4 minutes
17.2 minutes
Annual migration change -16,282 -30,724
Net migration rank 147/196 165/196
Foreign-born residents 117,416 40,698
Foreign-born residents rank 125/195 156/195
Foreign-born share of population 0.8% 0.2%
Foreign-born share rank 159/195 190/195

Natural population change vs migration

Guinea
Natural

Migration
Sri Lanka
Natural

Migration
1x
Year Population change
Guinea Sri Lanka
Natural Migration Natural Migration
2025 - -16,282 - -30,724
2024 358,497 -12,024 50,407 -27,245
2023 356,147 -3,997 66,111 -28,011
2022 352,517 -3,997 95,378 -27,435
2021 345,121 -4,373 121,858 -29,586
2020 342,289 -4,365 170,968 -29,875
2019 338,984 -3,240 172,243 -28,426
2018 332,585 -9,187 183,610 -28,607
2017 328,542 -13,718 187,993 -22,324
2016 324,608 -14,189 194,232 -18,388
2015 316,604 -15,117 201,815 -29,797
2014 309,539 -22,741 211,541 -33,672
2013 304,430 -29,136 221,021 -37,754
2012 298,094 -32,808 229,138 -41,955
2011 293,318 -29,069 224,461 -90,839
2010 288,512 -31,327 224,325 -98,060
2009 281,920 -34,007 200,175 -81,130
2008 274,327 -32,925 232,225 -97,144
2007 266,070 -34,311 248,287 -109,695
2006 258,518 -48,078 248,706 -107,045
2005 251,209 -71,015 248,683 -118,594
2004 242,075 -56,036 212,527 -84,795
2003 234,774 -36,934 252,008 -107,573
2002 229,022 -33,450 252,840 -105,718
2001 227,642 -155,020 244,377 19,273
2000 227,081 -77,450 227,060 123,894
1999 223,968 -46,183 206,876 138,799
1998 219,385 -30,903 201,059 150,724
1997 220,373 -107,614 208,193 135,636
1996 214,896 -4,973 215,290 127,236
1995 205,644 18,021 221,957 117,416
1994 201,439 -8,826 228,904 8,323
1993 195,612 45,616 226,257 36,232
1992 189,682 -3,285 222,230 88,542
1991 181,299 66,718 218,117 -1,047
1990 169,926 107,641 224,454 -195,736
1989 164,707 -5,150 212,401 -33,305
1988 159,566 -637 219,184 -58,415
1987 154,178 -350 226,414 -63,105
1986 148,137 -2,900 233,782 -26,460
1985 142,313 -6,965 247,836 -80,950
1984 136,640 -11,439 263,175 -225,450
1983 130,629 -15,265 277,768 -209,362
1982 126,831 -17,920 300,030 -163,987
1981 121,223 -21,367 328,096 -89,824
1980 117,186 -25,287 328,155 -63,541
1979 113,141 -28,770 329,791 -57,683
1978 109,415 -30,933 317,055 -50,189
1977 105,990 -31,004 300,038 -45,383
1976 102,449 -29,220 291,816 -41,258
1975 99,267 -26,221 282,496 -37,475
1974 96,315 -22,637 275,521 -33,979
1973 93,764 -19,065 278,577 -30,582
1972 91,147 -15,782 282,494 -27,071
1971 88,358 -11,543 281,200 -22,021
1970 85,418 -6,906 286,719 -16,299
1969 82,799 -2,844 286,218 -10,152
1968 79,892 -345 286,642 -7,163
1967 77,251 0 284,738 -6,696
1966 74,748 0 275,549 -6,794
1965 72,134 0 272,422 -7,249
1964 69,848 0 269,584 -7,614
1963 67,690 0 262,880 -8,118
1962 65,672 0 256,719 -8,909
1961 63,766 0 251,087 -10,144
1960 61,848 0 247,631 -12,610

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

GeoRank.org/population/guinea/sri-lanka | CC BY

Over the last 10 years, 97.6% of the population change in Guinea is from natural causes (a gain of 3,395,894 people) and 2.42% is from migration (a loss of 84,207 people). In Sri Lanka 84.3% is from natural causes (a gain of 1,444,615 people) and 15.7% is from migration (a loss of 269,694 people).

As of 2024, 117,416 residents or 0.8% of the population were not native-born in Guinea, compared to 40,698 people or 0.2% in Sri Lanka.

Biggest cities by population

Guinea
City Population
Conakry 1.67M
Mamou 376K
Nzerekore 316K
Gueckedou 222K
Kankan 191K
Boffa 48.3K
Forecariah 23K
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 (1960–2025, 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/sri-lanka | 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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