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 2025, based on the adjusted UN estimation, the current Niger's population is 28,638,403 people compared to 244,055 in Sao Tome and Principe.
Population statistics:
- Niger's population is 117.3 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 2005, the population of Niger has increased from 13.8M people to 28.6M (108.2% growth), while Sao Tome and Principe has grown from 162K to 244K (51% growth).
- Niger is projected to reach its peak in 2100 at 90.8M people compared to the peak of 534K people in 2100 for Sao Tome and Principe.
Niger vs Sao Tome and Principe: live population counter
Niger
|
Sao Tome
|
|
|---|---|---|
| Current population |
28638403
|
244055
|
| 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
|
| One migration net change every |
2.17 hours
|
14.5 hours
|
| Annual migration change | -4,041 | -604 |
| 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 | 11/197 | 52/197 |
Niger and Sao Tome and Principe: population history and growth rate by year chart
| Year | Population | Growth rate | ||
|---|---|---|---|---|
|
Niger
|
Sao Tome
|
Niger
|
Sao Tome
|
|
| 1960 | 3,505,050 | 68,012 | - | - |
| 1961 | 3,608,162 | 68,707 | 2.94% | 1.02% |
| 1962 | 3,714,520 | 69,403 | 2.95% | 1.01% |
| 1963 | 3,823,873 | 70,112 | 2.94% | 1.02% |
| 1964 | 3,935,814 | 70,865 | 2.93% | 1.07% |
| 1965 | 4,049,695 | 71,680 | 2.89% | 1.15% |
| 1966 | 4,165,544 | 72,576 | 2.86% | 1.25% |
| 1967 | 4,283,590 | 73,596 | 2.83% | 1.41% |
| 1968 | 4,403,637 | 74,765 | 2.8% | 1.59% |
| 1969 | 4,525,725 | 76,083 | 2.77% | 1.76% |
| 1970 | 4,650,275 | 77,626 | 2.75% | 2.03% |
| 1971 | 4,776,225 | 79,330 | 2.71% | 2.2% |
| 1972 | 4,904,845 | 81,041 | 2.69% | 2.16% |
| 1973 | 5,037,865 | 82,798 | 2.71% | 2.17% |
| 1974 | 5,174,953 | 84,672 | 2.72% | 2.26% |
| 1975 | 5,317,019 | 86,708 | 2.75% | 2.4% |
| 1976 | 5,464,962 | 88,922 | 2.78% | 2.55% |
| 1977 | 5,619,716 | 91,301 | 2.83% | 2.68% |
| 1978 | 5,782,932 | 93,794 | 2.9% | 2.73% |
| 1979 | 5,955,556 | 96,252 | 2.99% | 2.62% |
| 1980 | 6,135,971 | 98,544 | 3.03% | 2.38% |
| 1981 | 6,322,006 | 100,615 | 3.03% | 2.1% |
| 1982 | 6,512,732 | 102,508 | 3.02% | 1.88% |
| 1983 | 6,708,644 | 104,380 | 3.01% | 1.83% |
| 1984 | 6,909,971 | 106,394 | 3% | 1.93% |
| 1985 | 7,118,457 | 108,658 | 3.02% | 2.13% |
| 1986 | 7,335,811 | 111,150 | 3.05% | 2.29% |
| 1987 | 7,561,150 | 113,919 | 3.07% | 2.49% |
| 1988 | 7,793,748 | 116,939 | 3.08% | 2.65% |
| 1989 | 8,034,780 | 119,979 | 3.09% | 2.6% |
| 1990 | 8,286,059 | 122,980 | 3.13% | 2.5% |
| 1991 | 8,546,900 | 125,697 | 3.15% | 2.21% |
| 1992 | 8,817,633 | 128,110 | 3.17% | 1.92% |
| 1993 | 9,100,789 | 130,467 | 3.21% | 1.84% |
| 1994 | 9,398,258 | 132,732 | 3.27% | 1.74% |
| 1995 | 9,714,529 | 134,895 | 3.37% | 1.63% |
| 1996 | 10,044,852 | 136,962 | 3.4% | 1.53% |
| 1997 | 10,383,969 | 138,922 | 3.38% | 1.43% |
| 1998 | 10,741,413 | 140,751 | 3.44% | 1.32% |
| 1999 | 11,117,411 | 142,442 | 3.5% | 1.2% |
| 2000 | 11,509,630 | 144,018 | 3.53% | 1.11% |
| 2001 | 11,920,647 | 146,375 | 3.57% | 1.64% |
| 2002 | 12,349,144 | 149,922 | 3.59% | 2.42% |
| 2003 | 12,796,984 | 153,814 | 3.63% | 2.6% |
| 2004 | 13,265,836 | 157,705 | 3.66% | 2.53% |
| 2005 | 13,756,192 | 161,639 | 3.7% | 2.49% |
| 2006 | 14,268,581 | 165,638 | 3.72% | 2.47% |
| 2007 | 14,803,610 | 169,700 | 3.75% | 2.45% |
| 2008 | 15,361,915 | 173,793 | 3.77% | 2.41% |
| 2009 | 15,943,675 | 177,853 | 3.79% | 2.34% |
| 2010 | 16,548,835 | 181,802 | 3.8% | 2.22% |
| 2011 | 17,176,283 | 185,649 | 3.79% | 2.12% |
| 2012 | 17,836,769 | 189,439 | 3.85% | 2.04% |
| 2013 | 18,519,898 | 193,148 | 3.83% | 1.96% |
| 2014 | 19,215,909 | 196,767 | 3.76% | 1.87% |
| 2015 | 19,939,498 | 200,291 | 3.77% | 1.79% |
| 2016 | 20,685,753 | 203,689 | 3.74% | 1.7% |
| 2017 | 21,435,446 | 206,970 | 3.62% | 1.61% |
| 2018 | 22,188,069 | 210,187 | 3.51% | 1.55% |
| 2019 | 22,947,757 | 213,392 | 3.42% | 1.52% |
| 2020 | 23,717,613 | 217,435 | 3.35% | 1.89% |
| 2021 | 24,502,140 | 221,961 | 3.31% | 2.08% |
| 2022 | 25,311,973 | 226,305 | 3.31% | 1.96% |
| 2023 | 26,159,867 | 230,871 | 3.35% | 2.02% |
| 2024 | 27,032,412 | 235,536 | 3.34% | 2.02% |
| 2025 | 27,917,825 | 240,251 | 3.28% | 2% |
| 2026 | 28,814,872 | 244,987 | 3.21% | 1.97% |
| 2027 | 29,723,688 | 249,783 | 3.15% | 1.96% |
| 2028 | 30,643,561 | 254,657 | 3.09% | 1.95% |
| 2029 | 31,575,091 | 259,597 | 3.04% | 1.94% |
| 2030 | 32,518,069 | 264,560 | 2.99% | 1.91% |
| 2031 | 33,469,616 | 269,566 | 2.93% | 1.89% |
| 2032 | 34,428,638 | 274,643 | 2.87% | 1.88% |
| 2033 | 35,397,029 | 279,761 | 2.81% | 1.86% |
| 2034 | 36,372,374 | 284,911 | 2.76% | 1.84% |
| 2035 | 37,353,462 | 290,082 | 2.7% | 1.81% |
| 2036 | 38,340,142 | 295,269 | 2.64% | 1.79% |
| 2037 | 39,330,372 | 300,439 | 2.58% | 1.75% |
| 2038 | 40,323,460 | 305,590 | 2.52% | 1.71% |
| 2039 | 41,318,407 | 310,729 | 2.47% | 1.68% |
| 2040 | 42,316,733 | 315,833 | 2.42% | 1.64% |
| 2041 | 43,319,236 | 320,875 | 2.37% | 1.6% |
| 2042 | 44,326,115 | 325,888 | 2.32% | 1.56% |
| 2043 | 45,337,248 | 330,908 | 2.28% | 1.54% |
| 2044 | 46,353,160 | 335,919 | 2.24% | 1.51% |
| 2045 | 47,374,113 | 340,911 | 2.2% | 1.49% |
| 2046 | 48,397,993 | 345,883 | 2.16% | 1.46% |
| 2047 | 49,423,853 | 350,758 | 2.12% | 1.41% |
| 2048 | 50,452,202 | 355,569 | 2.08% | 1.37% |
| 2049 | 51,482,559 | 360,353 | 2.04% | 1.35% |
| 2050 | 52,513,870 | 365,103 | 2% | 1.32% |
From 2005 to 2015, the population of Niger increased by 6,183,306 people (a 44.9% growth), while Sao Tome and Principe gained 38,652 people (a 23.9% growth).
For the next 10 years, from 2015 to 2025, Niger gained 8,698,905 (a 43.6% growth), while Sao Tome and Principe's population increased by 43,764 (a 21.9% growth).
Niger was ranked 65th most populous country in 2005 and is 53rd in 2025. Sao Tome and Principe was ranked 178th in 2005 and ranked 176th now.
The UN's World Population Prospects forecasts that with changing growth rate trends in 25 years (in 2050) Niger's population will grow by 83.4% to 52,513,870 people with a rank change from 53rd to 38th. The population of Sao Tome and Principe will increase by 49.6% to 365,103 people and rank change from 176th to 175th.
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Population differences between Niger and Sao Tome and Principe
|
Niger
|
Sao Tome
|
|
|---|---|---|
| Life expectancy | 61.7 years | 70.1 years |
| Average age | 21.2 years | 25.1 years |
| Median age | 16.5 years | 20.3 years |
| Male:Female ratio | 50.8:49.2 | 49.7:50.3 |
| Fertility rate | 6.06 births per woman | 3.64 births per woman |
| Population density | 55.3 ppl/mi² | 635 ppl/mi² |
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