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Population in Guinea compared to Tanzania: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Guinea was 15,099,727 in 2025 vs 70,545,865 people in Tanzania in 2025. In 2026, based on the adjusted UN estimation, the current Guinea's population is 15,624,314 people compared to 73,639,263 in Tanzania.

Population statistics:

  • Tanzania's population is 4.71 times bigger than Guinea's.
  • Guinea is ranked the 75th most populous country in the world, while Tanzania is the 20th.
  • The countries together account for 1.07% of the world: 0.19% for Guinea vs 0.89% for Tanzania.
  • For the last 10 years, Guinea has had an average growth rate of +2.53% per year vs +3.11% in Tanzania.
  • Since 2006, the population of Guinea has increased from 9.44M people to 15.6M (65.5% growth), while Tanzania has grown from 40.3M to 73.6M (82.8% growth).

Guinea vs Tanzania: population by year and forecast

Guinea
Factual

Projection
Tanzania
Factual

Projection
1x
Year Population
Guinea Tanzania
2100 32,364,089 265,471,550
2099 32,335,737 263,137,702
2098 32,301,888 260,784,676
2097 32,264,245 258,387,890
2096 32,223,409 255,972,277
2095 32,180,906 253,543,248
2094 32,128,461 251,095,452
2093 32,070,233 248,605,184
2092 32,004,039 246,083,651
2091 31,938,993 243,533,968
2090 31,865,431 240,979,094
2089 31,784,278 238,393,867
2088 31,695,025 235,775,056
2087 31,604,442 233,145,231
2086 31,501,968 230,474,072
2085 31,385,846 227,778,580
2084 31,266,394 225,090,075
2083 31,137,977 222,400,079
2082 31,006,787 219,697,321
2081 30,862,718 216,974,796
2080 30,721,315 214,235,505
2079 30,567,350 211,466,096
2078 30,411,381 208,688,171
2077 30,251,450 205,898,494
2076 30,082,310 203,086,766
2075 29,901,467 200,278,383
2074 29,719,623 197,449,196
2073 29,532,278 194,624,081
2072 29,339,197 191,805,820
2071 29,136,328 188,974,004
2070 28,929,558 186,134,634
2069 28,713,370 183,293,747
2068 28,491,765 180,458,385
2067 28,263,091 177,622,538
2066 28,028,228 174,786,430
2065 27,789,471 171,897,059
2064 27,544,497 169,048,435
2063 27,289,819 166,202,091
2062 27,030,698 163,354,473
2061 26,767,195 160,521,858
2060 26,502,170 157,707,240
2059 26,227,034 154,905,240
2058 25,942,870 152,106,040
2057 25,657,776 149,311,257
2056 25,365,788 146,505,507
2055 25,067,342 143,722,840
2054 24,767,401 140,970,467
2053 24,455,823 138,249,490
2052 24,145,399 135,540,803
2051 23,832,003 132,838,721
2050 23,515,546 130,145,345
2049 23,200,886 127,483,126
2048 22,883,237 124,809,212
2047 22,559,713 122,146,647
2046 22,232,988 119,511,124
2045 21,903,369 116,903,642
2044 21,575,120 114,318,843
2043 21,238,706 111,765,580
2042 20,901,770 109,231,423
2041 20,563,787 106,738,458
2040 20,221,476 104,262,479
2039 19,882,253 101,804,600
2038 19,544,803 99,370,760
2037 19,207,349 96,974,485
2036 18,867,323 94,592,848
2035 18,529,941 92,248,476
2034 18,196,482 89,920,872
2033 17,857,890 87,646,627
2032 17,516,126 85,401,853
2031 17,173,592 83,172,579
2030 16,827,321 80,989,443
2029 16,484,980 78,830,947
2028 16,139,132 76,723,335
2027 15,792,131 74,639,948
2026 15,447,070 72,582,361
2025 15,099,727 70,545,865
2024 14,754,785 68,560,157
2023 14,405,468 66,617,606
2022 14,055,137 64,711,821
2021 13,710,513 62,830,412
2020 13,371,183 60,972,798
2019 13,034,346 59,174,891
2018 12,704,774 57,437,145
2017 12,385,659 55,652,890
2016 12,073,030 53,824,013
2015 11,767,070 52,020,962
2014 11,472,924 50,351,512
2013 11,191,873 48,824,128
2012 10,921,581 47,374,260
2011 10,656,810 46,029,367
2010 10,396,086 44,758,488
2009 10,143,534 43,633,982
2008 9,898,870 42,570,728
2007 9,662,281 41,435,512
2006 9,441,171 40,294,902
2005 9,245,844 39,182,076
2004 9,062,726 38,109,668
2003 8,870,781 37,089,555
2002 8,674,066 36,121,304
2001 8,539,960 35,198,299
2000 8,428,832 34,260,139
1999 8,265,123 33,300,330
1998 8,081,990 32,420,458
1997 7,931,370 31,578,089
1996 7,770,035 30,945,762
1995 7,553,249 30,383,497
1994 7,345,107 29,442,356
1993 7,128,177 28,332,692
1992 6,914,366 27,457,588
1991 6,697,166 26,780,436
1990 6,434,374 26,110,207
1989 6,215,811 25,438,759
1988 6,056,574 24,769,686
1987 5,900,198 24,030,378
1986 5,750,668 23,258,959
1985 5,610,373 22,501,693
1984 5,480,096 21,779,066
1983 5,359,814 21,079,874
1982 5,247,672 20,398,571
1981 5,143,288 19,784,703
1980 5,047,419 19,189,769
1979 4,959,283 18,592,038
1978 4,877,854 17,976,566
1977 4,801,128 17,352,929
1976 4,727,022 16,736,211
1975 4,653,876 16,138,361
1974 4,580,510 15,561,630
1973 4,506,324 15,010,101
1972 4,431,292 14,479,308
1971 4,355,200 13,971,451
1970 4,277,535 13,492,677
1969 4,198,300 13,036,700
1968 4,118,550 12,602,076
1967 4,040,153 12,200,109
1966 3,964,155 11,827,459
1965 3,890,716 11,470,728
1964 3,819,722 11,127,826
1963 3,750,954 10,799,528
1962 3,684,273 10,487,756
1961 3,619,551 10,187,886
1960 3,556,749 9,901,419

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/tanzania | CC BY

From 2006 to 2016, the population of Guinea increased by 2,631,859 people (a 27.9% growth), while Tanzania gained 13,529,111 people (a 33.6% growth).

For the next 10 years, from 2016 to 2026, Guinea gained 3,551,284 people (a 29.4% growth), while Tanzania's population increased by 19,815,250 people (a 36.8% growth).

Guinea was ranked 84th most populous country in 2006 and is 75th in 2026. Tanzania was ranked 30th in 2006 and ranked 20th 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 Tanzania will increase by 76.7% to 130,145,345 people and rank change from 20th to 15th.

Guinea is projected to reach its peak in 2100 at 32.4M people compared to the peak of 265M people in 2100 for Tanzania.

Population growth rate by year

Guinea
Factual

Projection
Tanzania
Factual

Projection
1x
Year Growth rate
Guinea Tanzania
2100 0.09% 0.89%
2099 0.1% 0.9%
2098 0.12% 0.93%
2097 0.13% 0.94%
2096 0.13% 0.96%
2095 0.16% 0.97%
2094 0.18% 1%
2093 0.21% 1.02%
2092 0.2% 1.05%
2091 0.23% 1.06%
2090 0.26% 1.08%
2089 0.28% 1.11%
2088 0.29% 1.13%
2087 0.33% 1.16%
2086 0.37% 1.18%
2085 0.38% 1.19%
2084 0.41% 1.21%
2083 0.42% 1.23%
2082 0.47% 1.25%
2081 0.46% 1.28%
2080 0.5% 1.31%
2079 0.51% 1.33%
2078 0.53% 1.35%
2077 0.56% 1.38%
2076 0.6% 1.4%
2075 0.61% 1.43%
2074 0.63% 1.45%
2073 0.66% 1.47%
2072 0.7% 1.5%
2071 0.71% 1.53%
2070 0.75% 1.55%
2069 0.78% 1.57%
2068 0.81% 1.6%
2067 0.84% 1.62%
2066 0.86% 1.68%
2065 0.89% 1.69%
2064 0.93% 1.71%
2063 0.96% 1.74%
2062 0.98% 1.76%
2061 1% 1.78%
2060 1.05% 1.81%
2059 1.1% 1.84%
2058 1.11% 1.87%
2057 1.15% 1.92%
2056 1.19% 1.94%
2055 1.21% 1.95%
2054 1.27% 1.97%
2053 1.29% 2%
2052 1.32% 2.03%
2051 1.35% 2.07%
2050 1.36% 2.09%
2049 1.39% 2.14%
2048 1.43% 2.18%
2047 1.47% 2.21%
2046 1.5% 2.23%
2045 1.52% 2.26%
2044 1.58% 2.28%
2043 1.61% 2.32%
2042 1.64% 2.34%
2041 1.69% 2.37%
2040 1.71% 2.41%
2039 1.73% 2.45%
2038 1.76% 2.47%
2037 1.8% 2.52%
2036 1.82% 2.54%
2035 1.83% 2.59%
2034 1.9% 2.59%
2033 1.95% 2.63%
2032 1.99% 2.68%
2031 2.06% 2.7%
2030 2.08% 2.74%
2029 2.14% 2.75%
2028 2.2% 2.79%
2027 2.23% 2.83%
2026 2.3% 2.89%
2025 2.34% 2.9%
2024 2.42% 2.92%
2023 2.49% 2.95%
2022 2.51% 2.99%
2021 2.54% 3.05%
2020 2.58% 3.04%
2019 2.59% 3.03%
2018 2.58% 3.21%
2017 2.59% 3.4%
2016 2.6% 3.47%
2015 2.56% 3.32%
2014 2.51% 3.13%
2013 2.47% 3.06%
2012 2.48% 2.92%
2011 2.51% 2.84%
2010 2.49% 2.58%
2009 2.47% 2.5%
2008 2.45% 2.74%
2007 2.34% 2.83%
2006 2.11% 2.84%
2005 2.02% 2.81%
2004 2.16% 2.75%
2003 2.27% 2.68%
2002 1.57% 2.62%
2001 1.32% 2.74%
2000 1.98% 2.88%
1999 2.27% 2.71%
1998 1.9% 2.67%
1997 2.08% 2.04%
1996 2.87% 1.85%
1995 2.83% 3.2%
1994 3.04% 3.92%
1993 3.09% 3.19%
1992 3.24% 2.53%
1991 4.08% 2.57%
1990 3.52% 2.64%
1989 2.63% 2.7%
1988 2.65% 3.08%
1987 2.6% 3.32%
1986 2.5% 3.37%
1985 2.38% 3.32%
1984 2.24% 3.32%
1983 2.14% 3.34%
1982 2.03% 3.1%
1981 1.9% 3.1%
1980 1.78% 3.21%
1979 1.67% 3.42%
1978 1.6% 3.59%
1977 1.57% 3.68%
1976 1.57% 3.7%
1975 1.6% 3.71%
1974 1.65% 3.67%
1973 1.69% 3.67%
1972 1.75% 3.63%
1971 1.82% 3.55%
1970 1.89% 3.5%
1969 1.94% 3.45%
1968 1.94% 3.29%
1967 1.92% 3.15%
1966 1.89% 3.11%
1965 1.86% 3.08%
1964 1.83% 3.04%
1963 1.81% 2.97%
1962 1.79% 2.94%
1961 1.77% 2.89%

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/tanzania | CC BY

In 2025, the population of Guinea grew by 2.34%, while Tanzania's population grew by 2.9%.

Live population counters

Guinea Tanzania
Current population
15624314
73639263
Population rank 75/197 20/197
Percent of world population 0.19% 0.89%
One net population change
1.53 minutes
15.9 seconds
One birth every
1.07 minutes
13.2 seconds
One death every
3.95 minutes
1.34 minutes
Daily growth/decline +945 +5,440
Annual growth/decline +344,942 +1,985,708
Annual growth/decline rate +2.34% +2.9%
Population growth rate rank 34/197 16/197
One migration net change every
32.4 minutes
41.4 minutes
Annual migration change -16,282 -12,730
Net migration rank 147/196 139/196
Foreign-born residents 117,416 462,371
Foreign-born residents rank 125/195 83/195
Foreign-born share of population 0.8% 0.7%
Foreign-born share rank 159/195 167/195

Natural population change vs migration

Guinea
Natural

Migration
Tanzania
Natural

Migration
1x
Year Population change
Guinea Tanzania
Natural Migration Natural Migration
2025 - -16,282 - -12,730
2024 358,497 -12,024 1,993,730 -29,865
2023 356,147 -3,997 1,960,623 -39,388
2022 352,517 -3,997 1,927,960 -37,557
2021 345,121 -4,373 1,880,137 -7,704
2020 342,289 -4,365 1,861,377 -18,587
2019 338,984 -3,240 1,816,669 -63,602
2018 332,585 -9,187 1,777,852 -55,444
2017 328,542 -13,718 1,726,909 119,142
2016 324,608 -14,189 1,659,502 152,194
2015 316,604 -15,117 1,592,882 201,495
2014 309,539 -22,741 1,565,630 -21,083
2013 304,430 -29,136 1,509,008 1,241
2012 298,094 -32,808 1,439,325 -49,875
2011 293,318 -29,069 1,384,886 -84,546
2010 288,512 -31,327 1,363,477 -122,020
2009 281,920 -34,007 1,332,015 -324,478
2008 274,327 -32,925 1,303,728 -184,816
2007 266,070 -34,311 1,278,285 -126,793
2006 258,518 -48,078 1,257,927 -128,231
2005 251,209 -71,015 1,224,165 -128,251
2004 242,075 -56,036 1,175,379 -126,490
2003 234,774 -36,934 1,118,435 -127,101
2002 229,022 -33,450 1,063,195 -118,047
2001 227,642 -155,020 1,026,242 -125,375
2000 227,081 -77,450 985,185 -9,701
1999 223,968 -46,183 948,659 -4,489
1998 219,385 -30,903 920,806 -105,184
1997 220,373 -107,614 882,544 -13,400
1996 214,896 -4,973 868,524 -473,007
1995 205,644 18,021 838,980 -109,971
1994 201,439 -8,826 803,953 349,348
1993 195,612 45,616 778,044 288,004
1992 189,682 -3,285 767,961 -83,825
1991 181,299 66,718 762,011 -91,851
1990 169,926 107,641 750,825 -80,529
1989 164,707 -5,150 743,854 -71,268
1988 159,566 -637 736,551 -71,012
1987 154,178 -350 718,580 94,498
1986 148,137 -2,900 705,677 24,101
1985 142,313 -6,965 697,867 86,864
1984 136,640 -11,439 687,435 -26,938
1983 130,629 -15,265 679,720 58,161
1982 126,831 -17,920 662,627 -37,883
1981 121,223 -21,367 645,496 -42,485
1980 117,186 -25,287 629,444 -42,588
1979 113,141 -28,770 613,388 -4,792
1978 109,415 -30,933 595,024 27,307
1977 105,990 -31,004 574,938 49,997
1976 102,449 -29,220 553,617 54,875
1975 99,267 -26,221 533,906 53,290
1974 96,315 -22,637 515,152 51,127
1973 93,764 -19,065 488,429 48,363
1972 91,147 -15,782 467,305 57,489
1971 88,358 -11,543 449,014 41,900
1970 85,418 -6,906 427,988 38,635
1969 82,799 -2,844 408,322 37,006
1968 79,892 -345 389,467 34,455
1967 77,251 0 374,763 5,265
1966 74,748 0 360,229 5,049
1965 72,134 0 343,456 4,742
1964 69,848 0 328,527 9,090
1963 67,690 0 314,644 4,333
1962 65,672 0 300,663 3,916
1961 63,766 0 286,839 8,338
1960 61,848 0 275,814 1,946

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

GeoRank.org/population/guinea/tanzania | 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 Tanzania 98.8% is from natural causes (a gain of 18,197,641 people) and 1.2% is from migration (a gain of 220,684 people).

As of 2024, 117,416 residents or 0.8% of the population were not native-born in Guinea, compared to 462,371 people or 0.7% in Tanzania.

Biggest cities by population

Guinea
City Population
Conakry 1.67M
Mamou 376K
Nzerekore 316K
Gueckedou 222K
Kankan 191K
Boffa 48.3K
Forecariah 23K
Tanzania
City Population
Dar es Salaam 4.72M
Zanzibar 710K
Mwanza 706K
Mbeya 542K
Morogoro 471K
Arusha 416K
Tanga 221K
Dodoma 214K
Moshi 145K

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/tanzania | 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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