Median age estimates and projections in Japan

The median age in Japan was 49.0 years in 2023. The value for 2023 is the highest in the series, which starts in 1950.

Japan, 2023 (latest estimate) 49.0 Years
Change from 2022 +0.8% 2022: 48.5 years
Median of OECD (38 countries), 2023 41.4 years Middle value of 38 countries
Projection for 2030 51.5 years Medium variant, World Population Prospects 2024
Projection for 2050 52.8 years Medium variant, World Population Prospects 2024
Projection for 2100 53.0 years Medium variant, World Population Prospects 2024
Position in 2023 2nd of 216 See the full ranking

Median age estimates and projections in Japan over time

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Japan

Years. Source: United Nations, DESA, Population Division (2024). World Population Prospects 2024. Gaps mean no published value; points are not joined across missing years. Dashed lines are projections.

Median age, estimates and projections to 2100 (years), 1994 to 2100 – the last ten estimates and projections every five years; the CSV has every year
Period Japan
2100 53.0 yearsf (Projection (medium variant))
2095 52.7 yearsf (Projection (medium variant))
2090 52.4 yearsf (Projection (medium variant))
2085 52.3 yearsf (Projection (medium variant))
2080 52.7 yearsf (Projection (medium variant))
2075 53.3 yearsf (Projection (medium variant))
2070 53.6 yearsf (Projection (medium variant))
2065 53.5 yearsf (Projection (medium variant))
2060 53.1 yearsf (Projection (medium variant))
2055 52.8 yearsf (Projection (medium variant))
2050 52.8 yearsf (Projection (medium variant))
2045 53.0 yearsf (Projection (medium variant))
2040 53.1 yearsf (Projection (medium variant))
2035 52.5 yearsf (Projection (medium variant))
2030 51.5 yearsf (Projection (medium variant))
2025 49.8 yearsf (Projection (medium variant))
2023 49.0 years
2022 48.5 years
2021 48.1 years
2020 47.7 years
2019 47.3 years
2018 46.9 years
2017 46.5 years
2016 46.2 years
2015 45.8 years
2014 45.5 years

Flags: f Projection (medium variant) . A dash means no value was published.

In short

  • That is a change of +0.8% from 48.5 years in 2022.
  • Since 2013, when it was 45.1 years, the figure has changed by +8.6%.
  • Among the 216 countries with data for 2023, Japan has the 2nd highest value.

Source and dates

Original producer
UN Population Division
Source
United Nations, Department of Economic and Social Affairs, Population Division
Dataset or series code
WPP2024 · dataset details · view at source
Observation period
1950 to 2023 for Japan
Provider update
Not stated by the provider
Retrieved
9 November 2026
Published here
9 November 2026
Licence
CC BY 3.0 IGO
Attribution
Source: United Nations, DESA, Population Division (2024). World Population Prospects 2024