Lifespan inequality: Gini coefficient by sex in Japan
Japan: Lifespan inequality: Gini coefficient by sex was 0.0703 in 2023. ▼ Falling
Latest (2023)
0.0703
Change on year
down 1.3%
World rank
227th
of 236 countries
All-time high
0.2962
in 1947
All-time low
0.0703
in 2023
Years of data
77
1947–2023
Lifespan inequality: Gini coefficient by sex in Japan, 1947–2023
Source: Human Mortality Database (2025); Aburto et al. (2023) – with major processing by Our World in Data.
Analysis
Japan recorded 0.0703 for lifespan inequality: gini coefficient by sex in 2023. That is the lowest value across all 77 years on record.
The figure is down 1.3% on the previous year and down 4.0% over ten years.
Over the whole period, lifespan inequality: gini coefficient by sex in Japan peaked at 0.2962 in 1947 and was at its lowest, 0.0703, in 2023.
Japan ranks 227th of 236 countries on this measure, in the bottom quarter.
The long-run direction has been consistently falling across the 77 years of available data.
Lifespan inequality: Gini coefficient by sex in Japan, year by year
| Year | Value | Change |
|---|---|---|
| 1947 | 0.2962 | — |
| 1948 | 0.2504 | -15.5% |
| 1949 | 0.2443 | -2.4% |
| 1950 | 0.226 | -7.5% |
| 1951 | 0.2115 | -6.4% |
| 1952 | 0.1924 | -9.0% |
| 1953 | 0.1839 | -4.4% |
| 1954 | 0.1773 | -3.6% |
| 1955 | 0.1659 | -6.4% |
| 1956 | 0.1618 | -2.5% |
| 1957 | 0.1587 | -1.9% |
| 1958 | 0.1514 | -4.7% |
| 1959 | 0.1464 | -3.2% |
| 1960 | 0.1394 | -4.8% |
| 1961 | 0.1336 | -4.2% |
| 1962 | 0.1287 | -3.7% |
| 1963 | 0.1235 | -4.1% |
| 1964 | 0.1194 | -3.3% |
| 1965 | 0.1155 | -3.3% |
| 1966 | 0.1132 | -2.0% |
| 1967 | 0.1113 | -1.6% |
| 1968 | 0.1089 | -2.2% |
| 1969 | 0.1077 | -1.0% |
| 1970 | 0.106 | -1.6% |
| 1971 | 0.1042 | -1.7% |
| 1972 | 0.1025 | -1.6% |
| 1973 | 0.1003 | -2.2% |
| 1974 | 0.098 | -2.2% |
| 1975 | 0.0962 | -1.9% |
| 1976 | 0.094 | -2.2% |
| 1977 | 0.093 | -1.1% |
| 1978 | 0.0916 | -1.4% |
| 1979 | 0.0906 | -1.1% |
| 1980 | 0.089 | -1.8% |
| 1981 | 0.0881 | -0.9% |
| 1982 | 0.0876 | -0.6% |
| 1983 | 0.0866 | -1.1% |
| 1984 | 0.0859 | -0.9% |
| 1985 | 0.085 | -1.0% |
| 1986 | 0.0841 | -1.0% |
| 1987 | 0.0833 | -0.9% |
| 1988 | 0.0825 | -1.0% |
| 1989 | 0.0824 | -0.1% |
| 1990 | 0.0815 | -1.1% |
| 1991 | 0.0816 | +0.1% |
| 1992 | 0.0817 | +0.1% |
| 1993 | 0.0815 | -0.2% |
| 1994 | 0.0807 | -0.9% |
| 1995 | 0.0817 | +1.2% |
| 1996 | 0.0809 | -1.1% |
| 1997 | 0.0805 | -0.4% |
| 1998 | 0.0811 | +0.7% |
| 1999 | 0.0801 | -1.2% |
| 2000 | 0.0799 | -0.2% |
| 2001 | 0.0793 | -0.8% |
| 2002 | 0.0791 | -0.3% |
| 2003 | 0.0786 | -0.6% |
| 2004 | 0.0783 | -0.4% |
| 2005 | 0.0779 | -0.6% |
| 2006 | 0.0774 | -0.6% |
| 2007 | 0.0768 | -0.8% |
| 2008 | 0.0765 | -0.4% |
| 2009 | 0.0756 | -1.2% |
| 2010 | 0.0751 | -0.6% |
| 2011 | 0.0776 | +3.4% |
| 2012 | 0.0739 | -4.9% |
| 2013 | 0.0732 | -0.8% |
| 2014 | 0.0732 | -0.0% |
| 2015 | 0.0723 | -1.3% |
| 2016 | 0.072 | -0.3% |
| 2017 | 0.0711 | -1.3% |
| 2018 | 0.0713 | +0.3% |
| 2019 | 0.0711 | -0.3% |
| 2020 | 0.0713 | +0.3% |
| 2021 | 0.0711 | -0.3% |
| 2022 | 0.0712 | +0.2% |
| 2023 | 0.0703 | -1.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1940s | 0.2637 | 0.2443 | 0.2962 | 3 |
| 1950s | 0.1775 | 0.1464 | 0.226 | 10 |
| 1960s | 0.1201 | 0.1077 | 0.1394 | 10 |
| 1970s | 0.0976 | 0.0906 | 0.106 | 10 |
| 1980s | 0.0855 | 0.0824 | 0.089 | 10 |
| 1990s | 0.0811 | 0.0801 | 0.0817 | 10 |
| 2000s | 0.0779 | 0.0756 | 0.0799 | 10 |
| 2010s | 0.0731 | 0.0711 | 0.0776 | 10 |
| 2020s | 0.071 | 0.0703 | 0.0713 | 4 |
Countries ranked near Japan
More poverty & inequality data for Japan
- Number of income/consumption surveys in the past decade available via the World Bank 5 surveys (2025)
- Number of income/consumption surveys in the past decade available via 0 surveys per person (2025)
- Number of income/consumption surveys in the past decade available via 0 surveys per US$ of GDP (2025)
- Fertility rate vs. share living in extreme poverty 1.21 live births per woman (2023)
- Cereal yield vs. share in extreme poverty 6,245 kg per hectare (2023)
- Cereal yield vs extreme poverty, per unit of GDP 0 units per US$ of GDP (2023)
- Cereal yield vs extreme poverty, annual growth rate -1.18 % change on previous year (2023)
- Tax revenues vs income inequality, gaps filled 34.86 (2022)
- Tax revenue as share of GDP vs. income inequality 34.9% (2022)
- Tax revenues vs income inequality, per unit of GDP 0 units per US$ of GDP (2022)
Frequently asked questions
- What is lifespan inequality: gini coefficient by sex in Japan?
- Lifespan inequality: gini coefficient by sex in Japan was 0.0703 in 2023, according to Human Mortality Database (2025); Aburto et al. (2023) – with major processing by Our World in Data.
- What is the highest lifespan inequality: gini coefficient by sex recorded in Japan?
- The highest recorded value was 0.2962 in 1947.
- What is the lowest lifespan inequality: gini coefficient by sex recorded in Japan?
- The lowest recorded value was 0.0703 in 2023.
- How does Japan rank for lifespan inequality: gini coefficient by sex?
- Japan ranks 227th out of 236 countries with data for 2023.
- Is lifespan inequality: gini coefficient by sex rising or falling in Japan?
- Over the last ten years it is down 4.0%. The long-run trend across the full record is falling.
- Where does this Japan data come from?
- The figures come from Human Mortality Database (2025); Aburto et al. (2023) – with major processing by Our World in Data, published as part of Lifespan inequality: Gini coefficient by sex. Statizoid updates them automatically from the source API.
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About this data
Level of inequality in lifespans, measured between 0 and 1.