Japan vs Nigeria
Japan vs Nigeria: Life expectancy
Life expectancy in 2023: 84.7 years in Japan and 54.5 years in Nigeria, by UN estimates. In 2023 the value was higher in Japan, by 30.2 years, or 1.56 times that in Nigeria.
years · UN
What the numbers say
- Japan has been higher in every year both have figures for since 1950.
- In 2023, Japan ranked 4 and Nigeria ranked 229 of 229 countries, counting from the highest.
- The UN projection (medium variant) puts Japan at 94.4 years and Nigeria at 64.7 years in 2100.
- The world as a whole: 73.2 years in 2023.
Every year
years · UN
| Year | Japan | Nigeria | World |
|---|---|---|---|
| 2023 | 84.7 | 54.5 | 73.2 |
| 2022 | 84.1 | 54.1 | 72.6 |
| 2021 | 84.6 | 53.5 | 70.9 |
| 2020 | 84.7 | 53.1 | 71.9 |
| 2019 | 84.4 | 53 | 72.6 |
| 2018 | 84.3 | 52.7 | 72.4 |
| 2017 | 84.2 | 52.4 | 72.1 |
| 2016 | 84.1 | 52.2 | 71.9 |
| 2015 | 83.9 | 51.9 | 71.6 |
| 2014 | 83.6 | 51.9 | 71.4 |
| 2013 | 83.4 | 51.8 | 71.1 |
| 2012 | 83.2 | 51.7 | 70.8 |
| 2011 | 82.7 | 51.5 | 70.4 |
| 2010 | 82.9 | 51.3 | 70.1 |
| 2009 | 83 | 51.1 | 69.7 |
| 2008 | 82.6 | 50.8 | 69.3 |
| 2007 | 82.6 | 50.4 | 69 |
| 2006 | 82.4 | 49.9 | 68.6 |
| 2005 | 82 | 49.5 | 68.1 |
| 2004 | 82.1 | 49.2 | 67.7 |
| 2003 | 81.9 | 48.6 | 67.4 |
| 2002 | 81.8 | 48 | 67.1 |
| 2001 | 81.5 | 47.6 | 66.8 |
| 2000 | 81.2 | 47.1 | 66.4 |
| 1999 | 80.6 | 46.6 | 66 |
| 1998 | 80.7 | 46.2 | 65.7 |
| 1997 | 80.6 | 46 | 65.5 |
| 1996 | 80.4 | 45.8 | 65.2 |
| 1995 | 79.7 | 45.9 | 64.9 |
| 1994 | 79.8 | 45.8 | 64.3 |
| 1993 | 79.5 | 45.8 | 64.4 |
| 1992 | 79.3 | 45.6 | 64.3 |
| 1991 | 79.3 | 45.5 | 64.1 |
| 1990 | 79 | 45.7 | 64 |
| 1989 | 79 | 45.8 | 63.8 |
| 1988 | 78.6 | 45.8 | 63.4 |
| 1987 | 78.6 | 45.9 | 63.2 |
| 1986 | 78.2 | 46 | 62.7 |
| 1985 | 77.8 | 46.2 | 62.2 |
| 1984 | 77.5 | 46.3 | 61.9 |
| 1983 | 77.1 | 46.4 | 61.5 |
| 1982 | 77.1 | 46.4 | 61.3 |
| 1981 | 76.6 | 46.3 | 60.9 |
| 1980 | 76.1 | 46 | 60.5 |
| 1979 | 76.2 | 45.7 | 60.2 |
| 1978 | 75.7 | 45.4 | 59.5 |
| 1977 | 75.3 | 44.9 | 59.2 |
| 1976 | 74.8 | 44.2 | 58.6 |
| 1975 | 74.4 | 43.1 | 58.3 |
| 1974 | 73.9 | 42.5 | 58.1 |
| 1973 | 73.4 | 41.8 | 57.7 |
| 1972 | 73.3 | 41.3 | 57.2 |
| 1971 | 72.8 | 40.6 | 56 |
| 1970 | 72 | 40 | 56.3 |
| 1969 | 71.9 | 39 | 56 |
| 1968 | 71.7 | 38.6 | 55.6 |
| 1967 | 71.4 | 37.5 | 55.1 |
| 1966 | 71.1 | 38.4 | 54.6 |
| 1965 | 70.3 | 38.2 | 54 |
| 1964 | 70.2 | 38 | 54.3 |
| 1963 | 69.8 | 37.8 | 53.7 |
| 1962 | 68.7 | 37.6 | 53.2 |
| 1961 | 68.4 | 37.4 | 50.4 |
| 1960 | 67.7 | 37.2 | 47.8 |
| 1959 | 67.5 | 37 | 49.6 |
| 1958 | 67 | 36.8 | 51.6 |
| 1957 | 65.4 | 36.6 | 51.1 |
| 1956 | 65.6 | 36.5 | 50.7 |
| 1955 | 65.7 | 36.3 | 50.2 |
| 1954 | 64.5 | 36.2 | 49.7 |
| 1953 | 63.3 | 36 | 48.8 |
| 1952 | 63 | 35.9 | 48.2 |
| 1951 | 61 | 35.7 | 47.1 |
| 1950 | 59.3 | 35.5 | 46.4 |
| 1949 | 57.7 | – | – |
| 1948 | 56.8 | – | – |
| 1947 | 51.7 | – | – |
| 1945 | 30.5 | – | – |
| 1935 | 48.2 | – | – |
| 1927 | 45.7 | – | – |
| 1922 | 42.6 | – | – |
| 1920 | 42 | – | – |
| 1915 | 40.9 | – | – |
| 1910 | 40 | – | – |
| 1905 | 39.2 | – | – |
| 1900 | 38.6 | – | – |
| 1895 | 38.1 | – | – |
| 1890 | 37.7 | – | – |
| 1885 | 37.3 | – | – |
| 1880 | 37 | – | – |
| 1875 | 36.8 | – | – |
| 1870 | 36.6 | – | – |
| 1865 | 36.4 | – | – |
- 12.3Estimates, Our World in Data
UN projection (medium variant) · 2024–2100
| Year | Japan | Nigeria | World |
|---|---|---|---|
| 2024 | 84.984–85.8 | 54.653–56.3 | 73.3 |
| 2025 | 8583.7–86.4 | 54.852.5–57.2 | 73.5 |
| 2026 | 85.283.5–86.8 | 5552–57.9 | 73.8 |
| 2027 | 85.383.4–87.3 | 55.151.6–58.5 | 73.9 |
| 2028 | 85.483.3–87.5 | 55.351.5–59 | 74.1 |
| 2029 | 85.683.3–87.9 | 55.451.3–59.5 | 74.2 |
| 2030 | 85.783.3–88.3 | 55.651–60 | 74.4 |
| 2031 | 85.983.3–88.6 | 55.750.8–60.5 | 74.5 |
| 2032 | 8683.3–88.7 | 55.950.5–60.9 | 74.7 |
| 2033 | 86.283.3–89.1 | 5650.4–61.4 | 74.8 |
| 2034 | 86.383.3–89.3 | 56.250.2–61.8 | 75 |
| 2035 | 86.483.4–89.6 | 56.350.1–62.2 | 75.1 |
| 2036 | 86.683.4–89.8 | 56.549.9–62.7 | 75.3 |
| 2037 | 86.783.5–90 | 56.649.8–62.9 | 75.4 |
| 2038 | 86.883.5–90.4 | 56.849.8–62.8 | 75.5 |
| 2039 | 8783.6–90.7 | 56.949.7–63.4 | 75.7 |
| 2040 | 87.183.5–90.9 | 57.150–63.8 | 75.8 |
| 2041 | 87.283.4–91.1 | 57.249.7–64 | 75.9 |
| 2042 | 87.483.6–91.2 | 57.449.9–64.3 | 76.1 |
| 2043 | 87.583.6–91.4 | 57.549.7–64.6 | 76.2 |
| 2044 | 87.683.7–91.7 | 57.749.7–65.3 | 76.3 |
| 2045 | 87.883.8–92.1 | 57.849.7–65.5 | 76.5 |
| 2046 | 87.984–92.2 | 5849.7–65.8 | 76.6 |
| 2047 | 8883.8–92.4 | 58.149.7–66.1 | 76.7 |
| 2048 | 88.283.9–92.7 | 58.349.6–66.3 | 76.8 |
| 2049 | 88.384–93.1 | 58.449.7–66.5 | 76.9 |
| 2050 | 88.483.9–93.2 | 58.549.7–67 | 77 |
| 2051 | 88.583.9–93.3 | 58.749.4–67.2 | 77.1 |
| 2052 | 88.784–93.6 | 58.849.3–67.5 | 77.2 |
| 2053 | 88.884–93.6 | 5949.3–67.7 | 77.3 |
| 2054 | 88.984.1–93.8 | 59.149.1–67.6 | 77.4 |
| 2055 | 8984.2–94 | 59.249.2–68.1 | 77.6 |
| 2056 | 89.284.2–94.4 | 59.449.2–68.6 | 77.7 |
| 2057 | 89.384.4–94.5 | 59.549–68.9 | 77.8 |
| 2058 | 89.484.4–94.7 | 59.648.9–69.2 | 77.9 |
| 2059 | 89.584.5–95 | 59.848.8–69.2 | 78 |
| 2060 | 89.784.4–95.2 | 59.948.6–69.1 | 78.1 |
| 2061 | 89.884.4–95.2 | 60.148.7–69.2 | 78.2 |
| 2062 | 89.984.7–95.6 | 60.248.5–69.6 | 78.3 |
| 2063 | 9084.6–95.8 | 60.348.8–69.7 | 78.4 |
| 2064 | 90.184.6–96 | 60.549–69.8 | 78.5 |
| 2065 | 90.384.6–96.2 | 60.649–70.3 | 78.6 |
| 2066 | 90.484.6–96.4 | 60.748.7–70.4 | 78.7 |
| 2067 | 90.584.7–96.6 | 60.849.2–70.8 | 78.8 |
| 2068 | 90.684.9–96.8 | 6149–71 | 78.9 |
| 2069 | 90.785–97 | 61.149.1–71.3 | 79 |
| 2070 | 90.985–97.2 | 61.248.9–71.6 | 79.1 |
| 2071 | 9185.1–97.4 | 61.348.8–71.7 | 79.2 |
| 2072 | 91.185–97.6 | 61.548.7–72.2 | 79.3 |
| 2073 | 91.285–97.6 | 61.648.6–72.2 | 79.4 |
| 2074 | 91.485.2–98.1 | 61.748.7–72.6 | 79.4 |
| 2075 | 91.585.3–98.2 | 61.948.6–72.6 | 79.5 |
| 2076 | 91.685.5–98.4 | 6248.7–72.9 | 79.6 |
| 2077 | 91.785.5–98.4 | 62.148.6–73.1 | 79.7 |
| 2078 | 91.885.6–98.5 | 62.248.4–73.3 | 79.8 |
| 2079 | 91.985.6–98.7 | 62.348.5–73.8 | 79.9 |
| 2080 | 92.185.8–98.9 | 62.548.4–73.7 | 80 |
| 2081 | 92.285.8–99 | 62.648.9–73.9 | 80.1 |
| 2082 | 92.385.8–99.5 | 62.748.6–74.1 | 80.2 |
| 2083 | 92.485.9–99.5 | 62.848.7–74.6 | 80.3 |
| 2084 | 92.586.1–99.8 | 62.948.7–74.6 | 80.3 |
| 2085 | 92.686.2–99.9 | 6349.2–74.7 | 80.4 |
| 2086 | 92.785.9–100 | 63.148.8–74.8 | 80.5 |
| 2087 | 92.986.1–100.1 | 63.348.7–74.9 | 80.6 |
| 2088 | 9386.3–100.2 | 63.449–75.1 | 80.7 |
| 2089 | 93.186.4–100.3 | 63.549–75.1 | 80.8 |
| 2090 | 93.286.4–100.8 | 63.649.3–75.5 | 80.9 |
| 2091 | 93.386.7–100.8 | 63.749.1–75.6 | 81 |
| 2092 | 93.586.4–101.1 | 63.949.2–75.6 | 81 |
| 2093 | 93.686.5–101.4 | 6449–75.9 | 81.1 |
| 2094 | 93.786.5–101.5 | 64.149.3–76.3 | 81.2 |
| 2095 | 93.886.4–101.6 | 64.249.2–76.4 | 81.3 |
| 2096 | 93.986.6–101.8 | 64.349.3–76.7 | 81.4 |
| 2097 | 9486.7–102.2 | 64.449–77 | 81.5 |
| 2098 | 94.286.6–102.3 | 64.549.3–77.3 | 81.6 |
| 2099 | 94.386.7–102.2 | 64.649.3–77.5 | 81.7 |
| 2100 | 94.486.7–102.4 | 64.749.6–77.8 | 81.7 |
Each country on its own
Good to know
- How long a newborn would live on average if the year’s death rates held all its life.
- Source: UN DESA, World Population Prospects 2024.
- Before 1950: Our World in Data, long-run life expectancy.
- The dashed line is the UN projection (medium variant), a scenario rather than a forecast; the band is its 95% prediction interval.
- Ranks count the 229 countries with a value in 2023, highest first.
- The faint line is the world as a whole, as the same source counts it.
How the layers work, where their data comes from and what they can’t tell you: Countries through time
Japan vs Nigeria
Health
- Child mortalityJapan: 0.2 per 100 live births in 2024Nigeria: 11.6 per 100 live births in 2024
- Infant mortalityJapan: 1.6 per 1,000 live births in 2023Nigeria: 69.5 per 1,000 live births in 2023
- Safe drinking waterJapan: 98.7% in 2022Nigeria: 29% in 2022
- DepressionJapan: 3.34% in 2017Nigeria: 3.92% in 2017
- Suicide rateJapan: 15.7 per 100,000 people in 2017Nigeria: 7.5 per 100,000 people in 2017
People
- PopulationJapan: 124 million people in 2023Nigeria: 228 million people in 2023
- Population growthJapan: -0.48% a year in 2023Nigeria: 2.1% a year in 2023
- Fertility rateJapan: 1.21 births per woman in 2023Nigeria: 4.48 births per woman in 2023
- Urban populationJapan: 92.3% in 2025Nigeria: 63.8% in 2025
- Median ageJapan: 49 years in 2023Nigeria: 17.8 years in 2023
- People aged 65 and overJapan: 29.6% in 2023Nigeria: 3% in 2023
- Net migration rateJapan: 1.4 per 1,000 people in 2023Nigeria: -0.3 per 1,000 people in 2023
Economy
Education
Politics
Conflict
Military
- Military spendingJapan: 1.41% of GDP in 2025Nigeria: 0.91% of GDP in 2025
- Military spending in US dollarsJapan: $59.5B in 2025Nigeria: $1.76B in 2025
- Military spending per personJapan: $504 in 2025Nigeria: $9 in 2025
- Military share of state spendingJapan: 3.8% of government spending in 2025Nigeria: 5.9% of government spending in 2025
- Armed forces personnelJapan: 261,000 people in 2020Nigeria: 223,000 people in 2020
- National powerJapan: 2.47% of world capability in 2022Nigeria: 1.16% of world capability in 2022
- Armed forces, share of workersJapan: 0.38% of the labour force in 2020Nigeria: 0.23% of the labour force in 2020
- Arms importsJapan: 1.72 billion TIV in 2025Nigeria: 21 million TIV in 2025
- Arms exportsJapan: 28 million TIV in 2025Nigeria: 4 million TIV in 2022