The latest officially reported population of Japan was 123,975,371 in 2024 vs 68,560,157 people in Tanzania in 2024. In 2025, based on the adjusted UN estimation, the current Japan's population is 123,324,642 people compared to 72,166,806 in Tanzania.
Population statistics:
- Japan's population is 1.71 times bigger than Tanzania's.
- Japan is ranked the 12th most populous country in the world, while Tanzania is the 20th.
- The countries together account for 2.36% of the world: 1.49% for Japan vs 0.87% for Tanzania.
- For the last 10 years, Japan has had an average growth rate of -0.25% per year vs +3.13% in Tanzania.
- Since 2005, the population of Japan has decreased from 128M people to 123M (3.48% decline), while Tanzania has grown from 39.2M to 72.2M (84.2% growth).
- Tanzania is projected to reach its peak in 2100 at 263M people, while Japan's population already peaked in 2010 at 128M people and is projected to decrease to 77M people by 2100.
Japan vs Tanzania: live population counter
Japan
|
Tanzania
|
|
|---|---|---|
| Current population |
123324642
|
72166806
|
| Population rank | 12/197 | 20/197 |
| Percent of world population | 1.49% | 0.87% |
| One net population change |
58.3 seconds
|
16.2 seconds
|
| One birth every |
42.2 seconds
|
13.4 seconds
|
| One death every |
19.5 seconds
|
1.36 minutes
|
| One migration net change every |
3.43 minutes
|
17.6 minutes
|
| Annual migration change | +153,357 | -29,865 |
| Daily growth/decline | -1,483 | +5,322 |
| Annual growth/decline | -541,279 | +1,942,551 |
| Annual growth/decline rate | -0.43% | +2.92% |
| Population growth rate rank | 182/197 | 19/197 |
Japan and Tanzania: population history and growth rate by year chart
Japan
Population
Growth rate
Tanzania
Population
Growth rate
| Year | Population | Growth rate | ||
|---|---|---|---|---|
|
Japan
|
Tanzania
|
Japan
|
Tanzania
|
|
| 1960 | 93,216,000 | 9,901,419 | - | - |
| 1961 | 94,055,000 | 10,187,886 | 0.9% | 2.89% |
| 1962 | 94,933,000 | 10,487,756 | 0.93% | 2.94% |
| 1963 | 95,900,000 | 10,799,528 | 1.02% | 2.97% |
| 1964 | 96,903,000 | 11,127,826 | 1.05% | 3.04% |
| 1965 | 97,952,000 | 11,470,728 | 1.08% | 3.08% |
| 1966 | 98,851,000 | 11,827,459 | 0.92% | 3.11% |
| 1967 | 99,879,000 | 12,200,109 | 1.04% | 3.15% |
| 1968 | 101,011,000 | 12,602,076 | 1.13% | 3.29% |
| 1969 | 102,219,000 | 13,036,700 | 1.2% | 3.45% |
| 1970 | 103,403,000 | 13,492,677 | 1.16% | 3.5% |
| 1971 | 105,697,000 | 13,971,451 | 2.22% | 3.55% |
| 1972 | 107,188,000 | 14,479,308 | 1.41% | 3.63% |
| 1973 | 108,707,000 | 15,010,101 | 1.42% | 3.67% |
| 1974 | 110,162,000 | 15,561,630 | 1.34% | 3.67% |
| 1975 | 111,573,000 | 16,138,361 | 1.28% | 3.71% |
| 1976 | 112,775,000 | 16,736,211 | 1.08% | 3.7% |
| 1977 | 113,872,000 | 17,352,929 | 0.97% | 3.68% |
| 1978 | 114,913,000 | 17,976,566 | 0.91% | 3.59% |
| 1979 | 115,890,000 | 18,592,038 | 0.85% | 3.42% |
| 1980 | 116,807,000 | 19,189,769 | 0.79% | 3.21% |
| 1981 | 117,661,000 | 19,784,703 | 0.73% | 3.1% |
| 1982 | 118,480,000 | 20,398,571 | 0.7% | 3.1% |
| 1983 | 119,307,000 | 21,079,874 | 0.7% | 3.34% |
| 1984 | 120,083,000 | 21,779,066 | 0.65% | 3.32% |
| 1985 | 120,837,000 | 22,501,693 | 0.63% | 3.32% |
| 1986 | 121,482,000 | 23,258,959 | 0.53% | 3.37% |
| 1987 | 122,069,000 | 24,030,378 | 0.48% | 3.32% |
| 1988 | 122,578,000 | 24,769,686 | 0.42% | 3.08% |
| 1989 | 123,069,000 | 25,438,759 | 0.4% | 2.7% |
| 1990 | 123,478,000 | 26,110,207 | 0.33% | 2.64% |
| 1991 | 123,964,000 | 26,780,436 | 0.39% | 2.57% |
| 1992 | 124,425,000 | 27,457,588 | 0.37% | 2.53% |
| 1993 | 124,829,000 | 28,332,692 | 0.32% | 3.19% |
| 1994 | 125,178,000 | 29,442,356 | 0.28% | 3.92% |
| 1995 | 125,472,000 | 30,383,497 | 0.23% | 3.2% |
| 1996 | 125,757,000 | 30,945,762 | 0.23% | 1.85% |
| 1997 | 126,057,000 | 31,578,089 | 0.24% | 2.04% |
| 1998 | 126,400,000 | 32,420,458 | 0.27% | 2.67% |
| 1999 | 126,631,000 | 33,300,330 | 0.18% | 2.71% |
| 2000 | 126,843,000 | 34,260,139 | 0.17% | 2.88% |
| 2001 | 127,149,000 | 35,198,299 | 0.24% | 2.74% |
| 2002 | 127,445,000 | 36,121,304 | 0.23% | 2.62% |
| 2003 | 127,718,000 | 37,089,555 | 0.21% | 2.68% |
| 2004 | 127,761,000 | 38,109,668 | 0.03% | 2.75% |
| 2005 | 127,773,000 | 39,182,076 | 0.009% | 2.81% |
| 2006 | 127,854,000 | 40,294,902 | 0.06% | 2.84% |
| 2007 | 128,001,000 | 41,435,512 | 0.11% | 2.83% |
| 2008 | 128,063,000 | 42,570,728 | 0.05% | 2.74% |
| 2009 | 128,047,000 | 43,633,982 | -0.01% | 2.5% |
| 2010 | 128,070,000 | 44,758,488 | 0.02% | 2.58% |
| 2011 | 127,833,000 | 46,029,367 | -0.19% | 2.84% |
| 2012 | 127,629,000 | 47,374,260 | -0.16% | 2.92% |
| 2013 | 127,445,000 | 48,824,128 | -0.14% | 3.06% |
| 2014 | 127,276,000 | 50,351,512 | -0.13% | 3.13% |
| 2015 | 127,141,000 | 52,020,962 | -0.11% | 3.32% |
| 2016 | 127,076,000 | 53,824,013 | -0.05% | 3.47% |
| 2017 | 126,972,000 | 55,652,890 | -0.08% | 3.4% |
| 2018 | 126,811,000 | 57,437,145 | -0.13% | 3.21% |
| 2019 | 126,633,000 | 59,174,891 | -0.14% | 3.03% |
| 2020 | 126,261,000 | 60,972,798 | -0.29% | 3.04% |
| 2021 | 125,681,593 | 62,830,412 | -0.46% | 3.05% |
| 2022 | 125,124,989 | 64,711,821 | -0.44% | 2.99% |
| 2023 | 124,516,650 | 66,617,606 | -0.49% | 2.95% |
| 2024 | 123,975,371 | 68,560,157 | -0.43% | 2.92% |
| 2025 | 123,324,642 | 70,545,858 | -0.52% | 2.9% |
| 2026 | 122,647,678 | 72,563,773 | -0.55% | 2.86% |
| 2027 | 121,951,038 | 74,604,804 | -0.57% | 2.81% |
| 2028 | 121,241,776 | 76,670,483 | -0.58% | 2.77% |
| 2029 | 120,524,230 | 78,773,192 | -0.59% | 2.74% |
| 2030 | 119,798,959 | 80,913,118 | -0.6% | 2.72% |
| 2031 | 119,065,610 | 83,087,927 | -0.61% | 2.69% |
| 2032 | 118,326,333 | 85,293,126 | -0.62% | 2.65% |
| 2033 | 117,583,337 | 87,520,491 | -0.63% | 2.61% |
| 2034 | 116,836,274 | 89,788,673 | -0.64% | 2.59% |
| 2035 | 116,084,328 | 92,091,418 | -0.64% | 2.56% |
| 2036 | 115,332,395 | 94,420,808 | -0.65% | 2.53% |
| 2037 | 114,582,890 | 96,775,766 | -0.65% | 2.49% |
| 2038 | 113,837,760 | 99,156,465 | -0.65% | 2.46% |
| 2039 | 113,097,352 | 101,567,525 | -0.65% | 2.43% |
| 2040 | 112,359,802 | 103,999,350 | -0.65% | 2.39% |
| 2041 | 111,622,622 | 106,448,475 | -0.66% | 2.35% |
| 2042 | 110,891,223 | 108,926,272 | -0.66% | 2.33% |
| 2043 | 110,169,955 | 111,433,788 | -0.65% | 2.3% |
| 2044 | 109,455,823 | 113,966,263 | -0.65% | 2.27% |
| 2045 | 108,747,012 | 116,525,463 | -0.65% | 2.25% |
| 2046 | 108,044,346 | 119,109,670 | -0.65% | 2.22% |
| 2047 | 107,350,486 | 121,721,018 | -0.64% | 2.19% |
| 2048 | 106,665,616 | 124,351,294 | -0.64% | 2.16% |
| 2049 | 105,986,908 | 126,981,394 | -0.64% | 2.12% |
| 2050 | 105,312,022 | 129,621,083 | -0.64% | 2.08% |
From 2005 to 2015, the population of Japan decreased by 632,000 people (a 0.49% decline), while Tanzania gained 12,838,886 people (a 32.8% growth).
For the next 10 years, from 2015 to 2025, Japan lost -3,816,358 (a 3% decline), while Tanzania's population increased by 20,145,844 (a 38.7% growth).
Japan was ranked 10th most populous country in 2005 and is 12th in 2025. Tanzania was ranked 31st in 2005 and ranked 20th 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 Tanzania will increase by 79.6% to 129,621,083 people and rank change from 20th to 15th.
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Population differences between Japan and Tanzania
|
Japan
|
Tanzania
|
|
|---|---|---|
| Life expectancy | 85 years | 67.4 years |
| Average age | 48.3 years | 22.7 years |
| Median age | 50.4 years | 18.4 years |
| Male:Female ratio | 48.8:51.2 | 49.6:50.4 |
| Fertility rate | 1.2 births per woman | 4.61 births per woman |
| Population density | 881 ppl/mi² | 200.5 ppl/mi² |
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