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Population in Niger compared to Sao Tome and Principe: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of Niger was 27,032,412 in 2024 vs 235,536 people in Sao Tome and Principe in 2024. In 2026, based on the adjusted UN estimation, the current Niger's population is 29,080,898 people compared to 246,362 in Sao Tome and Principe.

Population statistics:

  • Niger's population is 118 times bigger than Sao Tome and Principe's.
  • Niger is ranked the 53rd most populous country in the world, while Sao Tome and Principe is the 176th.
  • The countries together account for 0.35% of the world: 0.35% for Niger vs 0.003% for Sao Tome and Principe.
  • For the last 10 years, Niger has had an average growth rate of +3.5% per year vs +1.82% in Sao Tome and Principe.
  • Since 2006, the population of Niger has increased from 14.3M people to 29.1M (103.8% growth), while Sao Tome and Principe has grown from 166K to 246K (48.7% growth).

Niger vs Sao Tome and Principe: population by year and forecast

Niger
Factual

Projection
Sao Tome and Principe
Factual

Projection
1x
Year Population
Niger Sao Tome
2100 92,149,803 538,729
2099 91,788,730 537,330
2098 91,409,848 535,787
2097 91,009,119 534,124
2096 90,589,670 532,353
2095 90,150,766 530,576
2094 89,694,201 528,656
2093 89,215,318 526,643
2092 88,716,114 524,507
2091 88,197,952 522,325
2090 87,660,657 519,999
2089 87,103,777 517,612
2088 86,525,686 515,098
2087 85,929,075 512,568
2086 85,313,560 510,018
2085 84,675,788 507,340
2084 84,017,371 504,584
2083 83,337,884 501,679
2082 82,638,198 498,722
2081 81,922,470 495,689
2080 81,186,181 492,482
2079 80,435,226 489,244
2078 79,665,207 485,930
2077 78,877,754 482,450
2076 78,071,174 478,942
2075 77,248,629 475,380
2074 76,412,785 471,763
2073 75,560,272 468,114
2072 74,691,713 464,348
2071 73,808,594 460,509
2070 72,912,178 456,552
2069 71,999,238 452,449
2068 71,073,720 448,367
2067 70,133,854 444,152
2066 69,181,625 439,833
2065 68,221,595 435,561
2064 67,248,034 431,126
2063 66,264,418 426,703
2062 65,270,595 422,184
2061 64,267,053 417,686
2060 63,257,169 413,117
2059 62,239,490 408,577
2058 61,213,177 404,024
2057 60,180,993 399,413
2056 59,145,841 394,844
2055 58,103,375 390,153
2054 57,056,756 385,468
2053 56,007,297 380,737
2052 54,958,567 376,015
2051 53,907,164 371,194
2050 52,858,275 366,397
2049 51,810,418 361,591
2048 50,763,456 356,742
2047 49,719,695 351,861
2046 48,677,799 346,888
2045 47,638,048 341,838
2044 46,602,104 336,792
2043 45,572,618 331,713
2042 44,546,381 326,652
2041 43,525,533 321,594
2040 42,508,212 316,457
2039 41,495,840 311,279
2038 40,485,407 306,071
2037 39,476,789 300,875
2036 38,472,178 295,624
2035 37,470,776 290,400
2034 36,477,557 285,183
2033 35,487,806 279,990
2032 34,508,717 274,835
2031 33,538,029 269,740
2030 32,574,145 264,723
2029 31,620,865 259,705
2028 30,680,257 254,751
2027 29,750,695 249,860
2026 28,832,547 245,066
2025 27,926,917 240,286
2024 27,032,412 235,536
2023 26,159,867 230,871
2022 25,311,973 226,305
2021 24,502,140 221,961
2020 23,717,613 217,435
2019 22,947,757 213,392
2018 22,188,069 210,187
2017 21,435,446 206,970
2016 20,685,753 203,689
2015 19,939,498 200,291
2014 19,215,909 196,767
2013 18,519,898 193,148
2012 17,836,769 189,439
2011 17,176,283 185,649
2010 16,548,835 181,802
2009 15,943,675 177,853
2008 15,361,915 173,793
2007 14,803,610 169,700
2006 14,268,581 165,638
2005 13,756,192 161,639
2004 13,265,836 157,705
2003 12,796,984 153,814
2002 12,349,144 149,922
2001 11,920,647 146,375
2000 11,509,630 144,018
1999 11,117,411 142,442
1998 10,741,413 140,751
1997 10,383,969 138,922
1996 10,044,852 136,962
1995 9,714,529 134,895
1994 9,398,258 132,732
1993 9,100,789 130,467
1992 8,817,633 128,110
1991 8,546,900 125,697
1990 8,286,059 122,980
1989 8,034,780 119,979
1988 7,793,748 116,939
1987 7,561,150 113,919
1986 7,335,811 111,150
1985 7,118,457 108,658
1984 6,909,971 106,394
1983 6,708,644 104,380
1982 6,512,732 102,508
1981 6,322,006 100,615
1980 6,135,971 98,544
1979 5,955,556 96,252
1978 5,782,932 93,794
1977 5,619,716 91,301
1976 5,464,962 88,922
1975 5,317,019 86,708
1974 5,174,953 84,672
1973 5,037,865 82,798
1972 4,904,845 81,041
1971 4,776,225 79,330
1970 4,650,275 77,626
1969 4,525,725 76,083
1968 4,403,637 74,765
1967 4,283,590 73,596
1966 4,165,544 72,576
1965 4,049,695 71,680
1964 3,935,814 70,865
1963 3,823,873 70,112
1962 3,714,520 69,403
1961 3,608,162 68,707
1960 3,505,050 68,012

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/niger/sao-tome-and-principe | CC BY

From 2006 to 2016, the population of Niger increased by 6,417,172 people (a 45% growth), while Sao Tome and Principe gained 38,051 people (a 23% growth).

For the next 10 years, from 2016 to 2026, Niger gained 8,395,145 people (a 40.6% growth), while Sao Tome and Principe's population increased by 42,673 people (a 21% growth).

Niger was ranked 64th most populous country in 2006 and is 53rd in 2026. Sao Tome and Principe was ranked 178th in 2006 and ranked 176th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Niger's population will grow by 81.8% to 52,858,275 people with a rank change from 53rd to 38th. The population of Sao Tome and Principe will increase by 48.7% to 366,397 people and rank change from 176th to 175th.

Niger is projected to reach its peak in 2100 at 92.1M people compared to the peak of 539K people in 2100 for Sao Tome and Principe.

Population growth rate by year

Niger
Factual

Projection
Sao Tome and Principe
Factual

Projection
1x
Year Growth rate
Niger Sao Tome
2100 0.39% 0.26%
2099 0.41% 0.29%
2098 0.44% 0.31%
2097 0.46% 0.33%
2096 0.49% 0.33%
2095 0.51% 0.36%
2094 0.54% 0.38%
2093 0.56% 0.41%
2092 0.59% 0.42%
2091 0.61% 0.45%
2090 0.64% 0.46%
2089 0.67% 0.49%
2088 0.69% 0.49%
2087 0.72% 0.5%
2086 0.75% 0.53%
2085 0.78% 0.55%
2084 0.82% 0.58%
2083 0.85% 0.59%
2082 0.87% 0.61%
2081 0.91% 0.65%
2080 0.93% 0.66%
2079 0.97% 0.68%
2078 1% 0.72%
2077 1.03% 0.73%
2076 1.06% 0.75%
2075 1.09% 0.77%
2074 1.13% 0.78%
2073 1.16% 0.81%
2072 1.2% 0.83%
2071 1.23% 0.87%
2070 1.27% 0.91%
2069 1.3% 0.91%
2068 1.34% 0.95%
2067 1.38% 0.98%
2066 1.41% 0.98%
2065 1.45% 1.03%
2064 1.48% 1.04%
2063 1.52% 1.07%
2062 1.56% 1.08%
2061 1.6% 1.11%
2060 1.64% 1.11%
2059 1.68% 1.13%
2058 1.72% 1.15%
2057 1.75% 1.16%
2056 1.79% 1.2%
2055 1.83% 1.22%
2054 1.87% 1.24%
2053 1.91% 1.26%
2052 1.95% 1.3%
2051 1.98% 1.31%
2050 2.02% 1.33%
2049 2.06% 1.36%
2048 2.1% 1.39%
2047 2.14% 1.43%
2046 2.18% 1.48%
2045 2.22% 1.5%
2044 2.26% 1.53%
2043 2.3% 1.55%
2042 2.35% 1.57%
2041 2.39% 1.62%
2040 2.44% 1.66%
2039 2.5% 1.7%
2038 2.55% 1.73%
2037 2.61% 1.78%
2036 2.67% 1.8%
2035 2.72% 1.83%
2034 2.79% 1.85%
2033 2.84% 1.88%
2032 2.89% 1.89%
2031 2.96% 1.9%
2030 3.01% 1.93%
2029 3.07% 1.94%
2028 3.12% 1.96%
2027 3.18% 1.96%
2026 3.24% 1.99%
2025 3.31% 2.02%
2024 3.34% 2.02%
2023 3.35% 2.02%
2022 3.31% 1.96%
2021 3.31% 2.08%
2020 3.35% 1.89%
2019 3.42% 1.52%
2018 3.51% 1.55%
2017 3.62% 1.61%
2016 3.74% 1.7%
2015 3.77% 1.79%
2014 3.76% 1.87%
2013 3.83% 1.96%
2012 3.85% 2.04%
2011 3.79% 2.12%
2010 3.8% 2.22%
2009 3.79% 2.34%
2008 3.77% 2.41%
2007 3.75% 2.45%
2006 3.72% 2.47%
2005 3.7% 2.49%
2004 3.66% 2.53%
2003 3.63% 2.6%
2002 3.59% 2.42%
2001 3.57% 1.64%
2000 3.53% 1.11%
1999 3.5% 1.2%
1998 3.44% 1.32%
1997 3.38% 1.43%
1996 3.4% 1.53%
1995 3.37% 1.63%
1994 3.27% 1.74%
1993 3.21% 1.84%
1992 3.17% 1.92%
1991 3.15% 2.21%
1990 3.13% 2.5%
1989 3.09% 2.6%
1988 3.08% 2.65%
1987 3.07% 2.49%
1986 3.05% 2.29%
1985 3.02% 2.13%
1984 3% 1.93%
1983 3.01% 1.83%
1982 3.02% 1.88%
1981 3.03% 2.1%
1980 3.03% 2.38%
1979 2.99% 2.62%
1978 2.9% 2.73%
1977 2.83% 2.68%
1976 2.78% 2.55%
1975 2.75% 2.4%
1974 2.72% 2.26%
1973 2.71% 2.17%
1972 2.69% 2.16%
1971 2.71% 2.2%
1970 2.75% 2.03%
1969 2.77% 1.76%
1968 2.8% 1.59%
1967 2.83% 1.41%
1966 2.86% 1.25%
1965 2.89% 1.15%
1964 2.93% 1.07%
1963 2.94% 1.02%
1962 2.95% 1.01%
1961 2.94% 1.02%

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/niger/sao-tome-and-principe | CC BY

In 2024, the population of Niger grew by 3.34%, while Sao Tome and Principe's population grew by 2.02%.

Live population counters

Niger Sao Tome
Current population
29080898
246362
Population rank 53/197 176/197
Percent of world population 0.35% 0.003%
One net population change
36.1 seconds
1.88 hours
One birth every
28.8 seconds
1.35 hours
One death every
2.27 minutes
6.81 hours
Daily growth/decline +2,391 +13
Annual growth/decline +872,545 +4,665
Annual growth/decline rate +3.34% +2.02%
Population growth rate rank 10/197 49/197
One migration net change every
1.14 hours
13.5 hours
Annual migration change -7,704 -650
Net migration rank 126/196 90/196
Foreign-born residents 449,236 1,955
Foreign-born residents rank 85/195 194/195
Foreign-born share of population 1.7% 0.8%
Foreign-born share rank 140/195 162/195

Natural population change vs migration

Niger
Natural

Migration
Sao Tome and Principe
Natural

Migration
1x
Year Population change
Niger Sao Tome
Natural Migration Natural Migration
2025 - -7,704 - -650
2024 - -4,041 - -604
2023 864,139 995 5,221 -592
2022 829,651 995 5,102 -592
2021 793,428 -4,405 4,954 -782
2020 784,437 -4,402 4,874 0
2019 775,474 -15,778 4,932 -1,716
2018 763,536 -3,830 4,957 -1,757
2017 752,384 -6,830 5,007 -1,779
2016 738,999 14,833 5,125 -1,793
2015 721,630 17,051 5,269 -1,809
2014 704,609 3,891 5,381 -1,801
2013 686,070 -2,543 5,449 -1,787
2012 664,009 18,714 5,501 -1,739
2011 645,175 -6,941 5,445 -1,616
2010 624,685 -8,033 5,391 -1,529
2009 602,671 -9,014 5,349 -1,328
2008 579,727 -9,847 5,297 -1,203
2007 556,808 -10,069 5,226 -1,127
2006 533,374 -10,054 5,057 -1,031
2005 511,167 -9,700 4,897 -941
2004 488,328 -9,070 4,810 -894
2003 467,295 -8,841 4,702 -816
2002 446,767 -9,550 4,591 -690
2001 428,417 -8,654 4,471 -1,289
2000 410,779 -8,522 4,334 -2,798
1999 394,212 -12,037 4,221 -2,594
1998 377,120 -7,298 4,120 -2,364
1997 358,745 -13,680 4,041 -2,153
1996 341,223 -8,057 3,993 -1,974
1995 323,630 3,843 3,948 -1,829
1994 306,026 -959 3,860 -1,644
1993 292,135 -2,269 3,841 -1,527
1992 278,690 -2,258 3,822 -1,432
1991 266,527 -1,500 3,801 -1,362
1990 256,594 73 3,719 -727
1989 245,278 613 3,576 -571
1988 237,296 -1,139 3,544 -465
1987 231,371 -2,338 3,440 -470
1986 224,365 -2,728 3,180 -614
1985 219,206 -6,126 3,242 -828
1984 213,111 -9,208 3,163 -1,041
1983 207,962 -9,209 3,100 -1,203
1982 202,012 -8,935 3,047 -1,203
1981 195,938 -7,559 3,015 -1,067
1980 189,251 -5,564 2,965 -770
1979 180,632 -3,495 2,893 -491
1978 171,614 -3,494 2,800 -279
1977 161,792 -3,476 2,705 -255
1976 154,489 -3,308 2,608 -302
1975 147,962 -3,254 2,515 -392
1974 142,606 -3,179 2,422 -474
1973 137,695 -2,942 2,329 -525
1972 133,813 -2,525 2,232 -517
1971 128,223 -2,277 2,127 -430
1970 128,184 -2,225 1,980 -279
1969 125,389 -2,245 1,862 -469
1968 123,301 -2,277 1,767 -520
1967 121,358 -2,289 1,693 -606
1966 119,314 -2,289 1,642 -688
1965 116,963 -2,289 1,611 -765
1964 115,386 -2,289 1,600 -819
1963 113,072 -2,289 1,609 -886
1962 110,280 -2,369 1,625 -927
1961 107,693 -2,893 1,657 -960
1960 105,081 -3,641 1,547 -860

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

GeoRank.org/population/niger/sao-tome-and-principe | CC BY

Over the last 10 years, 100% of the population change in Niger is from natural causes (a gain of 7,728,287 people) and 0.03% is from migration (a gain of 2,520 people). In Sao Tome and Principe 80.1% is from natural causes (a gain of 50,822 people) and 19.9% is from migration (a loss of 12,621 people).

As of 2024, 449,236 residents or 1.7% of the population were not native-born in Niger, compared to 1,955 people or 0.8% in Sao Tome and Principe.

Biggest cities by population

Niger
City Population
Niamey 1.5M
Maradi 267K
Zinder 236K
Sao Tome
City Population
Sao Tome 65.5K
Trindade 6.64K

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/niger/sao-tome-and-principe | 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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