The latest officially reported population of Japan was 123,366,734 in 2025 vs 5,494,691 people in Oman in 2025. In 2026, based on the adjusted UN estimation, the current Japan's population is 122,704,252 people compared to 5,775,345 in Oman.
Population statistics:
- Japan's population is 21.2 times bigger than Oman's.
- Japan is ranked the 12th most populous country in the world, while Oman is the 118th.
- The countries together account for 1.55% of the world: 1.48% for Japan vs 0.07% for Oman.
- For the last 10 years, Japan has had an average growth rate of -0.28% per year vs +2.96% in Oman.
- Since 2006, the population of Japan has decreased from 128M people to 123M (4.03% decline), while Oman has grown from 2.51M to 5.78M (129.7% growth).
Japan vs Oman: population by year and forecast
| Year | Population | |
|---|---|---|
Japan
|
Oman
|
|
| 2100 | 76,995,942 | 12,271,138 |
| 2099 | 77,380,486 | 12,189,126 |
| 2098 | 77,759,557 | 12,106,527 |
| 2097 | 78,135,569 | 12,023,414 |
| 2096 | 78,515,892 | 11,939,950 |
| 2095 | 78,892,606 | 11,856,068 |
| 2094 | 79,267,768 | 11,771,790 |
| 2093 | 79,645,584 | 11,687,164 |
| 2092 | 80,025,578 | 11,602,253 |
| 2091 | 80,401,222 | 11,517,204 |
| 2090 | 80,778,500 | 11,432,016 |
| 2089 | 81,158,413 | 11,346,729 |
| 2088 | 81,539,639 | 11,261,515 |
| 2087 | 81,926,401 | 11,176,614 |
| 2086 | 82,322,612 | 11,091,765 |
| 2085 | 82,727,738 | 11,007,142 |
| 2084 | 83,141,354 | 10,922,731 |
| 2083 | 83,562,394 | 10,838,447 |
| 2082 | 83,998,809 | 10,754,297 |
| 2081 | 84,447,888 | 10,670,483 |
| 2080 | 84,918,455 | 10,586,785 |
| 2079 | 85,406,042 | 10,503,234 |
| 2078 | 85,916,840 | 10,419,787 |
| 2077 | 86,453,316 | 10,336,364 |
| 2076 | 87,012,155 | 10,252,916 |
| 2075 | 87,597,053 | 10,169,444 |
| 2074 | 88,209,803 | 10,085,876 |
| 2073 | 88,854,316 | 10,002,028 |
| 2072 | 89,519,055 | 9,917,703 |
| 2071 | 90,204,314 | 9,832,854 |
| 2070 | 90,919,143 | 9,747,714 |
| 2069 | 91,645,589 | 9,662,064 |
| 2068 | 92,388,299 | 9,575,805 |
| 2067 | 93,133,993 | 9,488,969 |
| 2066 | 93,889,902 | 9,401,396 |
| 2065 | 94,654,259 | 9,313,366 |
| 2064 | 95,412,429 | 9,224,699 |
| 2063 | 96,169,244 | 9,135,431 |
| 2062 | 96,924,236 | 9,045,431 |
| 2061 | 97,675,525 | 8,954,738 |
| 2060 | 98,422,553 | 8,863,401 |
| 2059 | 99,166,038 | 8,771,240 |
| 2058 | 99,890,950 | 8,678,241 |
| 2057 | 100,607,740 | 8,584,641 |
| 2056 | 101,318,164 | 8,490,445 |
| 2055 | 102,012,184 | 8,395,691 |
| 2054 | 102,706,063 | 8,300,516 |
| 2053 | 103,381,833 | 8,205,120 |
| 2052 | 104,059,800 | 8,109,685 |
| 2051 | 104,729,745 | 8,014,625 |
| 2050 | 105,400,477 | 7,919,979 |
| 2049 | 106,076,354 | 7,825,999 |
| 2048 | 106,754,699 | 7,732,641 |
| 2047 | 107,442,881 | 7,640,024 |
| 2046 | 108,139,155 | 7,547,980 |
| 2045 | 108,844,934 | 7,456,696 |
| 2044 | 109,553,441 | 7,366,027 |
| 2043 | 110,269,851 | 7,276,260 |
| 2042 | 110,992,599 | 7,187,395 |
| 2041 | 111,729,216 | 7,099,567 |
| 2040 | 112,463,507 | 7,012,893 |
| 2039 | 113,200,859 | 6,927,343 |
| 2038 | 113,940,856 | 6,842,697 |
| 2037 | 114,687,611 | 6,758,909 |
| 2036 | 115,436,359 | 6,675,887 |
| 2035 | 116,187,949 | 6,593,385 |
| 2034 | 116,936,734 | 6,511,234 |
| 2033 | 117,678,572 | 6,429,140 |
| 2032 | 118,419,247 | 6,346,783 |
| 2031 | 119,153,646 | 6,264,019 |
| 2030 | 119,882,512 | 6,180,534 |
| 2029 | 120,600,781 | 6,087,861 |
| 2028 | 121,314,239 | 5,983,340 |
| 2027 | 122,015,984 | 5,854,563 |
| 2026 | 122,704,252 | 5,691,677 |
| 2025 | 123,366,734 | 5,494,691 |
| 2024 | 123,975,371 | 5,281,538 |
| 2023 | 124,516,650 | 5,049,269 |
| 2022 | 125,124,989 | 4,730,226 |
| 2021 | 125,681,593 | 4,500,424 |
| 2020 | 126,261,000 | 4,522,497 |
| 2019 | 126,633,000 | 4,591,241 |
| 2018 | 126,811,000 | 4,597,877 |
| 2017 | 126,972,000 | 4,537,396 |
| 2016 | 127,076,000 | 4,390,877 |
| 2015 | 127,141,000 | 4,184,895 |
| 2014 | 127,276,000 | 4,002,439 |
| 2013 | 127,445,000 | 3,833,913 |
| 2012 | 127,629,000 | 3,547,106 |
| 2011 | 127,833,000 | 3,076,763 |
| 2010 | 128,070,000 | 2,757,446 |
| 2009 | 128,047,000 | 2,684,659 |
| 2008 | 128,063,000 | 2,626,529 |
| 2007 | 128,001,000 | 2,570,174 |
| 2006 | 127,854,000 | 2,514,795 |
| 2005 | 127,773,000 | 2,459,802 |
| 2004 | 127,761,000 | 2,404,821 |
| 2003 | 127,718,000 | 2,363,796 |
| 2002 | 127,445,000 | 2,337,140 |
| 2001 | 127,149,000 | 2,310,217 |
| 2000 | 126,843,000 | 2,282,131 |
| 1999 | 126,631,000 | 2,252,909 |
| 1998 | 126,400,000 | 2,222,489 |
| 1997 | 126,057,000 | 2,190,720 |
| 1996 | 125,757,000 | 2,156,926 |
| 1995 | 125,472,000 | 2,120,528 |
| 1994 | 125,178,000 | 2,081,834 |
| 1993 | 124,829,000 | 2,021,675 |
| 1992 | 124,425,000 | 1,938,238 |
| 1991 | 123,964,000 | 1,851,473 |
| 1990 | 123,478,000 | 1,763,954 |
| 1989 | 123,069,000 | 1,676,228 |
| 1988 | 122,578,000 | 1,588,568 |
| 1987 | 122,069,000 | 1,500,996 |
| 1986 | 121,482,000 | 1,413,419 |
| 1985 | 120,837,000 | 1,325,480 |
| 1984 | 120,083,000 | 1,247,716 |
| 1983 | 119,307,000 | 1,181,459 |
| 1982 | 118,480,000 | 1,117,678 |
| 1981 | 117,661,000 | 1,057,320 |
| 1980 | 116,807,000 | 1,001,248 |
| 1979 | 115,890,000 | 949,116 |
| 1978 | 114,913,000 | 900,304 |
| 1977 | 113,872,000 | 855,314 |
| 1976 | 112,775,000 | 814,701 |
| 1975 | 111,573,000 | 778,864 |
| 1974 | 110,162,000 | 746,988 |
| 1973 | 108,707,000 | 721,179 |
| 1972 | 107,188,000 | 700,593 |
| 1971 | 105,697,000 | 681,119 |
| 1970 | 103,403,000 | 662,680 |
| 1969 | 102,219,000 | 645,255 |
| 1968 | 101,011,000 | 628,798 |
| 1967 | 99,879,000 | 613,318 |
| 1966 | 98,851,000 | 598,804 |
| 1965 | 97,952,000 | 585,236 |
| 1964 | 96,903,000 | 572,577 |
| 1963 | 95,900,000 | 560,827 |
| 1962 | 94,933,000 | 549,941 |
| 1961 | 94,055,000 | 539,854 |
| 1960 | 93,216,000 | 530,485 |
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/japan/oman | CC BY 
From 2006 to 2016, the population of Japan decreased by 778,000 people (a 0.61% decline), while Oman gained 1,876,082 people (a 74.6% growth).
For the next 10 years, from 2016 to 2026, Japan lost 4,371,748 people (a 3.44% decline), while Oman's population increased by 1,384,468 people (a 31.5% growth).
Japan was ranked 10th most populous country in 2006 and is 12th in 2026. Oman was ranked 138th in 2006 and ranked 118th now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Japan's population will shrink by 14.1% to 105,400,477 people with a rank change from 12th to 17th. The population of Oman will increase by 37.1% to 7,919,979 people and rank change from 118th to 113th.
Oman is projected to reach its peak in 2100 at 12.3M people, while Japan's population already peaked in 2010 at 128M people and is projected to decrease to 77M people by 2100.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Japan
|
Oman
|
|
| 2100 | -0.5% | 0.67% |
| 2099 | -0.49% | 0.68% |
| 2098 | -0.48% | 0.69% |
| 2097 | -0.48% | 0.7% |
| 2096 | -0.48% | 0.71% |
| 2095 | -0.47% | 0.72% |
| 2094 | -0.47% | 0.72% |
| 2093 | -0.47% | 0.73% |
| 2092 | -0.47% | 0.74% |
| 2091 | -0.47% | 0.75% |
| 2090 | -0.47% | 0.75% |
| 2089 | -0.47% | 0.76% |
| 2088 | -0.47% | 0.76% |
| 2087 | -0.48% | 0.76% |
| 2086 | -0.49% | 0.77% |
| 2085 | -0.5% | 0.77% |
| 2084 | -0.5% | 0.78% |
| 2083 | -0.52% | 0.78% |
| 2082 | -0.53% | 0.79% |
| 2081 | -0.55% | 0.79% |
| 2080 | -0.57% | 0.8% |
| 2079 | -0.59% | 0.8% |
| 2078 | -0.62% | 0.81% |
| 2077 | -0.64% | 0.81% |
| 2076 | -0.67% | 0.82% |
| 2075 | -0.69% | 0.83% |
| 2074 | -0.73% | 0.84% |
| 2073 | -0.74% | 0.85% |
| 2072 | -0.76% | 0.86% |
| 2071 | -0.79% | 0.87% |
| 2070 | -0.79% | 0.89% |
| 2069 | -0.8% | 0.9% |
| 2068 | -0.8% | 0.92% |
| 2067 | -0.81% | 0.93% |
| 2066 | -0.81% | 0.95% |
| 2065 | -0.79% | 0.96% |
| 2064 | -0.79% | 0.98% |
| 2063 | -0.78% | 0.99% |
| 2062 | -0.77% | 1.01% |
| 2061 | -0.76% | 1.03% |
| 2060 | -0.75% | 1.05% |
| 2059 | -0.73% | 1.07% |
| 2058 | -0.71% | 1.09% |
| 2057 | -0.7% | 1.11% |
| 2056 | -0.68% | 1.13% |
| 2055 | -0.68% | 1.15% |
| 2054 | -0.65% | 1.16% |
| 2053 | -0.65% | 1.18% |
| 2052 | -0.64% | 1.19% |
| 2051 | -0.64% | 1.2% |
| 2050 | -0.64% | 1.2% |
| 2049 | -0.64% | 1.21% |
| 2048 | -0.64% | 1.21% |
| 2047 | -0.64% | 1.22% |
| 2046 | -0.65% | 1.22% |
| 2045 | -0.65% | 1.23% |
| 2044 | -0.65% | 1.23% |
| 2043 | -0.65% | 1.24% |
| 2042 | -0.66% | 1.24% |
| 2041 | -0.65% | 1.24% |
| 2040 | -0.65% | 1.23% |
| 2039 | -0.65% | 1.24% |
| 2038 | -0.65% | 1.24% |
| 2037 | -0.65% | 1.24% |
| 2036 | -0.65% | 1.25% |
| 2035 | -0.64% | 1.26% |
| 2034 | -0.63% | 1.28% |
| 2033 | -0.63% | 1.3% |
| 2032 | -0.62% | 1.32% |
| 2031 | -0.61% | 1.35% |
| 2030 | -0.6% | 1.52% |
| 2029 | -0.59% | 1.75% |
| 2028 | -0.58% | 2.2% |
| 2027 | -0.56% | 2.86% |
| 2026 | -0.54% | 3.59% |
| 2025 | -0.49% | 4.04% |
| 2024 | -0.43% | 4.6% |
| 2023 | -0.49% | 6.74% |
| 2022 | -0.44% | 5.11% |
| 2021 | -0.46% | -0.49% |
| 2020 | -0.29% | -1.5% |
| 2019 | -0.14% | -0.14% |
| 2018 | -0.13% | 1.33% |
| 2017 | -0.08% | 3.34% |
| 2016 | -0.05% | 4.92% |
| 2015 | -0.11% | 4.56% |
| 2014 | -0.13% | 4.4% |
| 2013 | -0.14% | 8.09% |
| 2012 | -0.16% | 15.3% |
| 2011 | -0.19% | 11.6% |
| 2010 | 0.02% | 2.71% |
| 2009 | -0.01% | 2.21% |
| 2008 | 0.05% | 2.19% |
| 2007 | 0.11% | 2.2% |
| 2006 | 0.06% | 2.24% |
| 2005 | 0.009% | 2.29% |
| 2004 | 0.03% | 1.74% |
| 2003 | 0.21% | 1.14% |
| 2002 | 0.23% | 1.17% |
| 2001 | 0.24% | 1.23% |
| 2000 | 0.17% | 1.3% |
| 1999 | 0.18% | 1.37% |
| 1998 | 0.27% | 1.45% |
| 1997 | 0.24% | 1.57% |
| 1996 | 0.23% | 1.72% |
| 1995 | 0.23% | 1.86% |
| 1994 | 0.28% | 2.98% |
| 1993 | 0.32% | 4.3% |
| 1992 | 0.37% | 4.69% |
| 1991 | 0.39% | 4.96% |
| 1990 | 0.33% | 5.23% |
| 1989 | 0.4% | 5.52% |
| 1988 | 0.42% | 5.83% |
| 1987 | 0.48% | 6.2% |
| 1986 | 0.53% | 6.63% |
| 1985 | 0.63% | 6.23% |
| 1984 | 0.65% | 5.61% |
| 1983 | 0.7% | 5.71% |
| 1982 | 0.7% | 5.71% |
| 1981 | 0.73% | 5.6% |
| 1980 | 0.79% | 5.49% |
| 1979 | 0.85% | 5.42% |
| 1978 | 0.91% | 5.26% |
| 1977 | 0.97% | 4.99% |
| 1976 | 1.08% | 4.6% |
| 1975 | 1.28% | 4.27% |
| 1974 | 1.34% | 3.58% |
| 1973 | 1.42% | 2.94% |
| 1972 | 1.41% | 2.86% |
| 1971 | 2.22% | 2.78% |
| 1970 | 1.16% | 2.7% |
| 1969 | 1.2% | 2.62% |
| 1968 | 1.13% | 2.52% |
| 1967 | 1.04% | 2.42% |
| 1966 | 0.92% | 2.32% |
| 1965 | 1.08% | 2.21% |
| 1964 | 1.05% | 2.1% |
| 1963 | 1.02% | 1.98% |
| 1962 | 0.93% | 1.87% |
| 1961 | 0.9% | 1.77% |
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/japan/oman | CC BY
In 2025, the population of Japan declined by 0.49%, while Oman's population grew by 4.04%.
Live population counters
|
Japan
|
Oman
|
|
|---|---|---|
| Current population |
122704252
|
5775345
|
| Population rank | 12/197 | 118/197 |
| Percent of world population | 1.48% | 0.07% |
| One net population change |
52 seconds
|
2.47 minutes
|
| One birth every |
44.6 seconds
|
5.93 minutes
|
| One death every |
19.1 seconds
|
52.3 minutes
|
| Daily growth/decline | -1,667 | +584 |
| Annual growth/decline | -608,637 | +213,153 |
| Annual growth/decline rate | -0.49% | +4.04% |
| Population growth rate rank | 183/197 | 3/197 |
| One migration net change every |
3.75 minutes
|
4.63 minutes
|
| Annual migration change | +140,579 | +113,734 |
| Net migration rank | 10/196 | 15/196 |
| Foreign-born residents | 3,409,529 | 2,283,366 |
| Foreign-born residents rank | 19/195 | 33/195 |
| Foreign-born share of population | 2.8% | 43.2% |
| Foreign-born share rank | 120/195 | 11/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Japan
|
Oman
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | 140,579 | - | 113,734 |
| 2024 | -942,213 | 153,357 | 78,557 | 154,219 |
| 2023 | -871,617 | 175,003 | 75,467 | 156,285 |
| 2022 | -825,825 | 175,003 | 67,278 | 339,063 |
| 2021 | -640,976 | -34,996 | 69,991 | -16,726 |
| 2020 | -542,923 | 42,001 | 74,224 | -171,635 |
| 2019 | -531,858 | 318,190 | 77,394 | -117,480 |
| 2018 | -456,520 | 320,601 | 79,438 | -52,630 |
| 2017 | -406,310 | 322,564 | 82,408 | 11,751 |
| 2016 | -343,106 | 314,732 | 81,350 | 117,538 |
| 2015 | -292,424 | 168,896 | 79,241 | 133,842 |
| 2014 | -267,279 | 58,109 | 76,258 | 75,557 |
| 2013 | -242,146 | 66,449 | 71,905 | 113,335 |
| 2012 | -229,733 | 67,904 | 65,572 | 322,812 |
| 2011 | -204,533 | 97,720 | 59,689 | 492,609 |
| 2010 | -128,070 | 131,860 | 57,619 | 28,717 |
| 2009 | -76,828 | 125,450 | 52,007 | 7,226 |
| 2008 | -51,225 | 142,605 | 47,146 | 9,877 |
| 2007 | -25,600 | 138,024 | 44,207 | 11,478 |
| 2006 | 12,785 | 130,065 | 43,969 | 11,103 |
| 2005 | -25,554 | 113,017 | 44,688 | 10,231 |
| 2004 | 76,656 | 69,014 | 45,651 | 9,394 |
| 2003 | 114,946 | 74,875 | 46,273 | -19,265 |
| 2002 | 178,423 | 60,864 | 46,397 | -20,098 |
| 2001 | 203,438 | 59,563 | 46,651 | -19,103 |
| 2000 | 228,317 | 23,468 | 47,208 | -18,588 |
| 1999 | 202,610 | 56,901 | 48,053 | -18,235 |
| 1998 | 265,440 | 45,912 | 48,654 | -17,626 |
| 1997 | 277,325 | 43,366 | 49,510 | -16,998 |
| 1996 | 314,392 | 25,030 | 50,362 | -15,286 |
| 1995 | 276,039 | 87,714 | 51,139 | -13,418 |
| 1994 | 363,017 | 154,214 | 52,337 | -12,665 |
| 1993 | 312,073 | 168,836 | 53,439 | 27,204 |
| 1992 | 360,833 | 170,878 | 54,471 | 31,756 |
| 1991 | 396,685 | 161,331 | 55,382 | 31,927 |
| 1990 | 407,478 | 124,582 | 56,000 | 31,722 |
| 1989 | 467,662 | 31,202 | 56,202 | 31,528 |
| 1988 | 527,085 | 51,154 | 56,142 | 31,456 |
| 1987 | 598,138 | 28,001 | 55,933 | 31,608 |
| 1986 | 631,706 | 27,987 | 55,324 | 32,289 |
| 1985 | 676,687 | -141,323 | 54,609 | 33,666 |
| 1984 | 756,523 | -273,686 | 52,253 | 14,993 |
| 1983 | 775,495 | -269,755 | 49,646 | 15,617 |
| 1982 | 805,664 | -288,550 | 46,939 | 15,359 |
| 1981 | 811,861 | -278,525 | 44,176 | 14,239 |
| 1980 | 864,372 | -92,314 | 41,109 | 12,626 |
| 1979 | 950,298 | -57,692 | 38,022 | 12,511 |
| 1978 | 1,011,234 | -47,996 | 35,141 | 11,946 |
| 1977 | 1,070,397 | -49,082 | 32,342 | 10,554 |
| 1976 | 1,127,750 | -34,976 | 30,032 | 8,299 |
| 1975 | 1,204,989 | 107 | 27,699 | 5,632 |
| 1974 | 1,332,960 | -10,145 | 25,543 | 4,880 |
| 1973 | 1,391,449 | -34,674 | 24,195 | -2,996 |
| 1972 | 1,372,006 | -73,980 | 22,968 | -2,996 |
| 1971 | 1,331,782 | -107,778 | 21,973 | -2,996 |
| 1970 | 1,230,496 | 33,731 | 20,893 | -2,996 |
| 1969 | 1,195,962 | 49,447 | 19,949 | -2,996 |
| 1968 | 1,191,930 | 43,593 | 18,962 | -2,996 |
| 1967 | 1,258,475 | 29,632 | 17,990 | -2,996 |
| 1966 | 682,072 | 68,934 | 17,030 | -2,996 |
| 1965 | 1,126,448 | -50,667 | 16,103 | -2,996 |
| 1964 | 1,046,553 | -100,696 | 15,205 | -2,996 |
| 1963 | 987,770 | -100,742 | 14,283 | -2,996 |
| 1962 | 901,864 | -57,075 | 13,485 | -2,996 |
| 1961 | 893,522 | -58,882 | 12,690 | -2,996 |
| 1960 | 894,874 | -150,371 | 12,034 | -2,996 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/japan/oman | CC BY
Over the last 10 years, 75% of the population change in Japan is from natural causes (a loss of 5,853,772 people) and 25% is from migration (a gain of 1,955,351 people). In Oman 58% is from natural causes (a gain of 765,348 people) and 42% is from migration (a gain of 554,227 people).
As of 2024, 3,409,529 residents or 2.8% of the population were not native-born in Japan, compared to 2,283,366 people or 43.2% in Oman.
Biggest cities by population
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Population differences between Japan and Oman
|
Japan
|
Oman
|
|
|---|---|---|
| Life expectancy | 85.1 years | 80.7 years |
| Average age | 48.5 years | 29.8 years |
| Median age | 50.8 years | 30.6 years |
| Male:Female ratio | 48.8:51.2 | 62.4:37.6 |
| Fertility rate | 1.15 births per woman | 2.51 births per woman |
| Population density | 872 ppl/mi² | 47.6 ppl/mi² |
Population map with other countries
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/japan/oman | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-07-08)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
- U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
- Wikidata (2026, retrieved 2026-07-08)
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