The latest officially reported population of Japan was 123,975,371 in 2024 vs 235,536 people in Sao Tome and Principe in 2024. In 2025, based on the adjusted UN estimation, the current Japan's population is 123,324,642 people compared to 244,055 in Sao Tome and Principe.
Population statistics:
- Japan's population is 505 times bigger than Sao Tome and Principe's.
- Japan is ranked the 12th most populous country in the world, while Sao Tome and Principe is the 176th.
- The countries together account for 1.49% of the world: 1.49% for Japan vs 0.003% for Sao Tome and Principe.
- For the last 10 years, Japan has had an average growth rate of -0.25% per year vs +1.82% in Sao Tome and Principe.
- Since 2005, the population of Japan has decreased from 128M people to 123M (3.48% decline), while Sao Tome and Principe has grown from 162K to 244K (51% growth).
- Sao Tome and Principe is projected to reach its peak in 2100 at 534K people, while Japan's population already peaked in 2010 at 128M people and is projected to decrease to 77M people by 2100.
Japan vs Sao Tome and Principe: live population counter
Japan
|
Sao Tome
|
|
|---|---|---|
| Current population |
123324642
|
244055
|
| Population rank | 12/197 | 176/197 |
| Percent of world population | 1.49% | 0.003% |
| One net population change |
58.3 seconds
|
1.88 hours
|
| One birth every |
42.2 seconds
|
1.35 hours
|
| One death every |
19.5 seconds
|
6.81 hours
|
| One migration net change every |
3.43 minutes
|
14.5 hours
|
| Annual migration change | +153,357 | -604 |
| Daily growth/decline | -1,483 | +13 |
| Annual growth/decline | -541,279 | +4,665 |
| Annual growth/decline rate | -0.43% | +2.02% |
| Population growth rate rank | 182/197 | 52/197 |
Japan and Sao Tome and Principe: population history and growth rate by year chart
Japan
Population
Growth rate
Sao Tome and Principe
Population
Growth rate
| Year | Population | Growth rate | ||
|---|---|---|---|---|
|
Japan
|
Sao Tome
|
Japan
|
Sao Tome
|
|
| 1960 | 93,216,000 | 68,012 | - | - |
| 1961 | 94,055,000 | 68,707 | 0.9% | 1.02% |
| 1962 | 94,933,000 | 69,403 | 0.93% | 1.01% |
| 1963 | 95,900,000 | 70,112 | 1.02% | 1.02% |
| 1964 | 96,903,000 | 70,865 | 1.05% | 1.07% |
| 1965 | 97,952,000 | 71,680 | 1.08% | 1.15% |
| 1966 | 98,851,000 | 72,576 | 0.92% | 1.25% |
| 1967 | 99,879,000 | 73,596 | 1.04% | 1.41% |
| 1968 | 101,011,000 | 74,765 | 1.13% | 1.59% |
| 1969 | 102,219,000 | 76,083 | 1.2% | 1.76% |
| 1970 | 103,403,000 | 77,626 | 1.16% | 2.03% |
| 1971 | 105,697,000 | 79,330 | 2.22% | 2.2% |
| 1972 | 107,188,000 | 81,041 | 1.41% | 2.16% |
| 1973 | 108,707,000 | 82,798 | 1.42% | 2.17% |
| 1974 | 110,162,000 | 84,672 | 1.34% | 2.26% |
| 1975 | 111,573,000 | 86,708 | 1.28% | 2.4% |
| 1976 | 112,775,000 | 88,922 | 1.08% | 2.55% |
| 1977 | 113,872,000 | 91,301 | 0.97% | 2.68% |
| 1978 | 114,913,000 | 93,794 | 0.91% | 2.73% |
| 1979 | 115,890,000 | 96,252 | 0.85% | 2.62% |
| 1980 | 116,807,000 | 98,544 | 0.79% | 2.38% |
| 1981 | 117,661,000 | 100,615 | 0.73% | 2.1% |
| 1982 | 118,480,000 | 102,508 | 0.7% | 1.88% |
| 1983 | 119,307,000 | 104,380 | 0.7% | 1.83% |
| 1984 | 120,083,000 | 106,394 | 0.65% | 1.93% |
| 1985 | 120,837,000 | 108,658 | 0.63% | 2.13% |
| 1986 | 121,482,000 | 111,150 | 0.53% | 2.29% |
| 1987 | 122,069,000 | 113,919 | 0.48% | 2.49% |
| 1988 | 122,578,000 | 116,939 | 0.42% | 2.65% |
| 1989 | 123,069,000 | 119,979 | 0.4% | 2.6% |
| 1990 | 123,478,000 | 122,980 | 0.33% | 2.5% |
| 1991 | 123,964,000 | 125,697 | 0.39% | 2.21% |
| 1992 | 124,425,000 | 128,110 | 0.37% | 1.92% |
| 1993 | 124,829,000 | 130,467 | 0.32% | 1.84% |
| 1994 | 125,178,000 | 132,732 | 0.28% | 1.74% |
| 1995 | 125,472,000 | 134,895 | 0.23% | 1.63% |
| 1996 | 125,757,000 | 136,962 | 0.23% | 1.53% |
| 1997 | 126,057,000 | 138,922 | 0.24% | 1.43% |
| 1998 | 126,400,000 | 140,751 | 0.27% | 1.32% |
| 1999 | 126,631,000 | 142,442 | 0.18% | 1.2% |
| 2000 | 126,843,000 | 144,018 | 0.17% | 1.11% |
| 2001 | 127,149,000 | 146,375 | 0.24% | 1.64% |
| 2002 | 127,445,000 | 149,922 | 0.23% | 2.42% |
| 2003 | 127,718,000 | 153,814 | 0.21% | 2.6% |
| 2004 | 127,761,000 | 157,705 | 0.03% | 2.53% |
| 2005 | 127,773,000 | 161,639 | 0.009% | 2.49% |
| 2006 | 127,854,000 | 165,638 | 0.06% | 2.47% |
| 2007 | 128,001,000 | 169,700 | 0.11% | 2.45% |
| 2008 | 128,063,000 | 173,793 | 0.05% | 2.41% |
| 2009 | 128,047,000 | 177,853 | -0.01% | 2.34% |
| 2010 | 128,070,000 | 181,802 | 0.02% | 2.22% |
| 2011 | 127,833,000 | 185,649 | -0.19% | 2.12% |
| 2012 | 127,629,000 | 189,439 | -0.16% | 2.04% |
| 2013 | 127,445,000 | 193,148 | -0.14% | 1.96% |
| 2014 | 127,276,000 | 196,767 | -0.13% | 1.87% |
| 2015 | 127,141,000 | 200,291 | -0.11% | 1.79% |
| 2016 | 127,076,000 | 203,689 | -0.05% | 1.7% |
| 2017 | 126,972,000 | 206,970 | -0.08% | 1.61% |
| 2018 | 126,811,000 | 210,187 | -0.13% | 1.55% |
| 2019 | 126,633,000 | 213,392 | -0.14% | 1.52% |
| 2020 | 126,261,000 | 217,435 | -0.29% | 1.89% |
| 2021 | 125,681,593 | 221,961 | -0.46% | 2.08% |
| 2022 | 125,124,989 | 226,305 | -0.44% | 1.96% |
| 2023 | 124,516,650 | 230,871 | -0.49% | 2.02% |
| 2024 | 123,975,371 | 235,536 | -0.43% | 2.02% |
| 2025 | 123,324,642 | 240,251 | -0.52% | 2% |
| 2026 | 122,647,678 | 244,987 | -0.55% | 1.97% |
| 2027 | 121,951,038 | 249,783 | -0.57% | 1.96% |
| 2028 | 121,241,776 | 254,657 | -0.58% | 1.95% |
| 2029 | 120,524,230 | 259,597 | -0.59% | 1.94% |
| 2030 | 119,798,959 | 264,560 | -0.6% | 1.91% |
| 2031 | 119,065,610 | 269,566 | -0.61% | 1.89% |
| 2032 | 118,326,333 | 274,643 | -0.62% | 1.88% |
| 2033 | 117,583,337 | 279,761 | -0.63% | 1.86% |
| 2034 | 116,836,274 | 284,911 | -0.64% | 1.84% |
| 2035 | 116,084,328 | 290,082 | -0.64% | 1.81% |
| 2036 | 115,332,395 | 295,269 | -0.65% | 1.79% |
| 2037 | 114,582,890 | 300,439 | -0.65% | 1.75% |
| 2038 | 113,837,760 | 305,590 | -0.65% | 1.71% |
| 2039 | 113,097,352 | 310,729 | -0.65% | 1.68% |
| 2040 | 112,359,802 | 315,833 | -0.65% | 1.64% |
| 2041 | 111,622,622 | 320,875 | -0.66% | 1.6% |
| 2042 | 110,891,223 | 325,888 | -0.66% | 1.56% |
| 2043 | 110,169,955 | 330,908 | -0.65% | 1.54% |
| 2044 | 109,455,823 | 335,919 | -0.65% | 1.51% |
| 2045 | 108,747,012 | 340,911 | -0.65% | 1.49% |
| 2046 | 108,044,346 | 345,883 | -0.65% | 1.46% |
| 2047 | 107,350,486 | 350,758 | -0.64% | 1.41% |
| 2048 | 106,665,616 | 355,569 | -0.64% | 1.37% |
| 2049 | 105,986,908 | 360,353 | -0.64% | 1.35% |
| 2050 | 105,312,022 | 365,103 | -0.64% | 1.32% |
From 2005 to 2015, the population of Japan decreased by 632,000 people (a 0.49% decline), while Sao Tome and Principe gained 38,652 people (a 23.9% growth).
For the next 10 years, from 2015 to 2025, Japan lost -3,816,358 (a 3% decline), while Sao Tome and Principe's population increased by 43,764 (a 21.9% growth).
Japan was ranked 10th most populous country in 2005 and is 12th 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) Japan's population will shrink by 14.6% to 105,312,022 people with a rank change from 12th to 17th. 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 Japan and Sao Tome and Principe
|
Japan
|
Sao Tome
|
|
|---|---|---|
| Life expectancy | 85 years | 70.1 years |
| Average age | 48.3 years | 25.1 years |
| Median age | 50.4 years | 20.3 years |
| Male:Female ratio | 48.8:51.2 | 49.7:50.3 |
| Fertility rate | 1.2 births per woman | 3.64 births per woman |
| Population density | 881 ppl/mi² | 635 ppl/mi² |
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