Sex gap in life expectancy at age 45 in Japan

Japan: Sex gap in life expectancy at age 45 was 5.74 years in 2023. ▲ Rising

Latest (2023)
5.74 years
Change on year
up 0.1%
World rank
41st
of 236 countries
All-time high
6.36 years
in 2003
All-time low
3.02 years
in 1951
Years of data
77
1947–2023

Sex gap in life expectancy at age 45 in Japan, 1947–2023

0246194719852023

Source: Human Mortality Database (2025); UN, World Population Prospects (2024) – with major processing by Our World in Data. Measured in years.

Analysis

In 2023, sex gap in life expectancy at age 45 in Japan stood at 5.74 years.

Compared with earlier readings it is up 0.1% on the previous year and down 3.0% over ten years.

Over the whole period, sex gap in life expectancy at age 45 in Japan peaked at 6.36 years in 2003 and was at its lowest, 3.02 years, in 1951.

Japan ranks 41st of 236 countries on this measure, in the top quarter.

The long-run direction has been consistently rising across the 77 years of available data.

Sex gap in life expectancy at age 45 in Japan, year by year

Annual values for Sex gap in life expectancy at age 45 in Japan, 1947 to 2023.
Year years Change
1947 3.44 years
1948 3.09 years -10.2%
1949 3.11 years +0.6%
1950 3.04 years -2.1%
1951 3.02 years -0.8%
1952 3.05 years +1.1%
1953 3.08 years +1.0%
1954 3.43 years +11.2%
1955 3.42 years -0.2%
1956 3.43 years +0.2%
1957 3.6 years +5.1%
1958 3.64 years +1.2%
1959 3.68 years +1.0%
1960 3.74 years +1.6%
1961 3.71 years -0.7%
1962 3.83 years +3.1%
1963 3.89 years +1.5%
1964 3.92 years +0.9%
1965 3.99 years +1.8%
1966 4.02 years +0.6%
1967 4.02 years +0.1%
1968 4.09 years +1.7%
1969 4.22 years +3.0%
1970 4.15 years -1.5%
1971 4.17 years +0.4%
1972 4.2 years +0.8%
1973 4.11 years -2.1%
1974 4.06 years -1.3%
1975 4.11 years +1.3%
1976 4.18 years +1.6%
1977 4.24 years +1.5%
1978 4.31 years +1.7%
1979 4.44 years +3.0%
1980 4.51 years +1.6%
1981 4.53 years +0.4%
1982 4.64 years +2.5%
1983 4.76 years +2.4%
1984 4.86 years +2.1%
1985 4.89 years +0.7%
1986 4.97 years +1.5%
1987 5.05 years +1.7%
1988 5.04 years -0.1%
1989 5.16 years +2.4%
1990 5.24 years +1.4%
1991 5.37 years +2.6%
1992 5.5 years +2.3%
1993 5.56 years +1.2%
1994 5.64 years +1.5%
1995 5.73 years +1.6%
1996 5.85 years +2.0%
1997 5.93 years +1.5%
1998 6.09 years +2.6%
1999 6.1 years +0.3%
2000 6.23 years +2.1%
2001 6.23 years -0.1%
2002 6.29 years +1.0%
2003 6.36 years +1.0%
2004 6.32 years -0.6%
2005 6.35 years +0.5%
2006 6.26 years -1.3%
2007 6.26 years -0.1%
2008 6.26 years +0.1%
2009 6.31 years +0.7%
2010 6.22 years -1.4%
2011 6.04 years -2.9%
2012 6 years -0.6%
2013 5.92 years -1.4%
2014 5.86 years -0.9%
2015 5.83 years -0.7%
2016 5.8 years -0.5%
2017 5.81 years +0.2%
2018 5.73 years -1.3%
2019 5.73 years -0.1%
2020 5.79 years +1.2%
2021 5.77 years -0.5%
2022 5.73 years -0.6%
2023 5.74 years +0.1%

Averages by decade

DecadeAverage LowestHighest Years
1940s 3.21 years 3.09 years 3.44 years 3
1950s 3.34 years 3.02 years 3.68 years 10
1960s 3.94 years 3.71 years 4.22 years 10
1970s 4.2 years 4.06 years 4.44 years 10
1980s 4.84 years 4.51 years 5.16 years 10
1990s 5.7 years 5.24 years 6.1 years 10
2000s 6.29 years 6.23 years 6.36 years 10
2010s 5.89 years 5.73 years 6.22 years 10
2020s 5.76 years 5.73 years 5.79 years 4

Countries ranked near Japan

  1. 38 Cook Islands 5.78 years compare
  2. 39 Montenegro 5.77 years compare
  3. 40 Martinique 5.76 years compare
  4. 42 Sri Lanka 5.7 years compare
  5. 43 Tonga 5.7 years compare
  6. 44 Tuvalu 5.68 years compare

See the full ranking of 236 places →

More health data for Japan

All data for Japan →

Frequently asked questions

What is sex gap in life expectancy at age 45 in Japan?
Sex gap in life expectancy at age 45 in Japan was 5.74 years in 2023, according to Human Mortality Database (2025); UN, World Population Prospects (2024) – with major processing by Our World in Data.
What is the highest sex gap in life expectancy at age 45 recorded in Japan?
The highest recorded value was 6.36 years in 2003.
What is the lowest sex gap in life expectancy at age 45 recorded in Japan?
The lowest recorded value was 3.02 years in 1951.
How does Japan rank for sex gap in life expectancy at age 45?
Japan ranks 41st out of 236 countries with data for 2023.
Is sex gap in life expectancy at age 45 rising or falling in Japan?
Over the last ten years it is down 3.0%. The long-run trend across the full record is rising.
Where does this Japan data come from?
The figures come from Human Mortality Database (2025); UN, World Population Prospects (2024) – with major processing by Our World in Data, published as part of Sex gap in life expectancy at age 45. Statizoid updates them automatically from the source API.

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Sex gap in life expectancy at age 45 in Japan. Statizoid, drawing on Human Mortality Database (2025); UN, World Population Prospects (2024) – with major processing by Our World in Data. Retrieved 02 September 2026, from https://health.statizoid.com/stat/difference-in-female-and-male-life-expectancy-at-age-45/japan/

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About this data

Indicator
Sex gap in life expectancy at age 45
Unit
years
Source
Human Mortality Database (2025); UN, World Population Prospects (2024) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 18,722 data points, 1751–2023
Last refreshed

Difference in period life expectancy (females - males) at a given age.