Population by age group in Japan
Japan: Population by age group was 124.37 million people in 2023. ▲ Rising
Latest (2023)
124.37 million people
Change on year
down 0.5%
World rank
12th
of 236 countries
All-time high
128.19 million people
in 2009
All-time low
86.44 million people
in 1950
Years of data
74
1950–2023
Population by age group in Japan, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in people.
Analysis
In 2023, population by age group in Japan stood at 124.37 million people.
That represents a change of down 0.5% on the previous year and down 2.6% over ten years.
Over the whole period, population by age group in Japan peaked at 128.19 million people in 2009 and was at its lowest, 86.44 million people, in 1950.
Japan ranks 12th of 236 countries on this measure, in the top 10%.
The long-run direction has been consistently rising across the 74 years of available data.
Population by age group in Japan, year by year
| Year | people | Change |
|---|---|---|
| 1950 | 86.44 million people | — |
| 1951 | 87.85 million people | +1.6% |
| 1952 | 89.14 million people | +1.5% |
| 1953 | 90.32 million people | +1.3% |
| 1954 | 91.41 million people | +1.2% |
| 1955 | 92.43 million people | +1.1% |
| 1956 | 93.34 million people | +1.0% |
| 1957 | 94.11 million people | +0.8% |
| 1958 | 94.85 million people | +0.8% |
| 1959 | 95.62 million people | +0.8% |
| 1960 | 96.40 million people | +0.8% |
| 1961 | 97.22 million people | +0.8% |
| 1962 | 98.08 million people | +0.9% |
| 1963 | 98.96 million people | +0.9% |
| 1964 | 99.89 million people | +0.9% |
| 1965 | 100.92 million people | +1.0% |
| 1966 | 101.89 million people | +1.0% |
| 1967 | 102.97 million people | +1.1% |
| 1968 | 104.24 million people | +1.2% |
| 1969 | 105.47 million people | +1.2% |
| 1970 | 106.71 million people | +1.2% |
| 1971 | 107.95 million people | +1.2% |
| 1972 | 109.24 million people | +1.2% |
| 1973 | 110.61 million people | +1.3% |
| 1974 | 112.01 million people | +1.3% |
| 1975 | 113.32 million people | +1.2% |
| 1976 | 114.50 million people | +1.0% |
| 1977 | 115.57 million people | +0.9% |
| 1978 | 116.58 million people | +0.9% |
| 1979 | 117.52 million people | +0.8% |
| 1980 | 118.36 million people | +0.7% |
| 1981 | 118.99 million people | +0.5% |
| 1982 | 119.49 million people | +0.4% |
| 1983 | 119.95 million people | +0.4% |
| 1984 | 120.38 million people | +0.4% |
| 1985 | 120.83 million people | +0.4% |
| 1986 | 121.37 million people | +0.4% |
| 1987 | 121.94 million people | +0.5% |
| 1988 | 122.48 million people | +0.4% |
| 1989 | 122.95 million people | +0.4% |
| 1990 | 123.40 million people | +0.4% |
| 1991 | 123.89 million people | +0.4% |
| 1992 | 124.38 million people | +0.4% |
| 1993 | 124.84 million people | +0.4% |
| 1994 | 125.29 million people | +0.4% |
| 1995 | 125.67 million people | +0.3% |
| 1996 | 125.97 million people | +0.2% |
| 1997 | 126.27 million people | +0.2% |
| 1998 | 126.55 million people | +0.2% |
| 1999 | 126.80 million people | +0.2% |
| 2000 | 127.03 million people | +0.2% |
| 2001 | 127.26 million people | +0.2% |
| 2002 | 127.48 million people | +0.2% |
| 2003 | 127.67 million people | +0.1% |
| 2004 | 127.82 million people | +0.1% |
| 2005 | 127.91 million people | +0.1% |
| 2006 | 128.00 million people | +0.1% |
| 2007 | 128.09 million people | +0.1% |
| 2008 | 128.16 million people | +0.1% |
| 2009 | 128.19 million people | +0.0% |
| 2010 | 128.19 million people | -0.0% |
| 2011 | 128.10 million people | -0.1% |
| 2012 | 127.93 million people | -0.1% |
| 2013 | 127.72 million people | -0.2% |
| 2014 | 127.49 million people | -0.2% |
| 2015 | 127.28 million people | -0.2% |
| 2016 | 127.16 million people | -0.1% |
| 2017 | 127.06 million people | -0.1% |
| 2018 | 126.91 million people | -0.1% |
| 2019 | 126.70 million people | -0.2% |
| 2020 | 126.31 million people | -0.3% |
| 2021 | 125.68 million people | -0.5% |
| 2022 | 125.00 million people | -0.5% |
| 2023 | 124.37 million people | -0.5% |
Japan compared with similar countries
- Japan's 124.37 million people is above the median for high income countries, which is 2.98 million people, 41.7× the median. (85 countries reporting)
- Japan's 124.37 million people is above the median for East Asia & Pacific, which is 1.38 million people, 89.8× the median. (37 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 91.55 million people | 86.44 million people | 95.62 million people | 10 |
| 1960s | 100.60 million people | 96.40 million people | 105.47 million people | 10 |
| 1970s | 112.40 million people | 106.71 million people | 117.52 million people | 10 |
| 1980s | 120.67 million people | 118.36 million people | 122.95 million people | 10 |
| 1990s | 125.31 million people | 123.40 million people | 126.80 million people | 10 |
| 2000s | 127.76 million people | 127.03 million people | 128.19 million people | 10 |
| 2010s | 127.45 million people | 126.70 million people | 128.19 million people | 10 |
| 2020s | 125.34 million people | 124.37 million people | 126.31 million people | 4 |
Countries ranked near Japan
More population data for Japan
- Un population 2024 vs 2022, annual growth rate -0.5507 % change on previous year (2100)
- Population long run with projections, annual growth rate -0.4984 % change on previous year (2100)
- Urban and rural population 2050, annual growth rate -5.09 % change on previous year (2050)
- Population regions with projections, annual growth rate -0.4984 % change on previous year (2100)
- Population growth rate, by level of development -0.5% (2100)
- Number of children under 5, by world region 2.83 million people (2100)
- Population density 210.83 people per km² (2100)
- World population growth -0.5% (2100)
- Projected population under age 5, annual growth rate -0.2372 % change on previous year (2100)
- Africa's Development Dynamics (AfDD) Table 03 - Annual population -0.5891 Percent per annum (2030)
Frequently asked questions
- What is population by age group in Japan?
- Population by age group in Japan was 124.37 million people in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest population by age group recorded in Japan?
- The highest recorded value was 128.19 million people in 2009.
- What is the lowest population by age group recorded in Japan?
- The lowest recorded value was 86.44 million people in 1950.
- How does Japan rank for population by age group?
- Japan ranks 12th out of 236 countries with data for 2023.
- Is population by age group rising or falling in Japan?
- Over the last ten years it is down 2.6%. The long-run trend across the full record is rising.
- Where does this Japan data come from?
- The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Population by age group. Statizoid updates them automatically from the source API.
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About this data
Total population, measured on 1 July of the year shown.