Median age of the population in Japan 2015

The median age of the population in Japan has steadily been increasing since 1950 and is projected to be around 48 years old in 2020. As of 2017, the median age of Japan is the second highest in the world, behind the Principality of Monaco.

The elderly in Japan

An improved quality of life and regular health checks are just two reasons why Japan has one of the highest life expectancies in the world. The life expectancy from birth in Japan improved significantly after World War II, rising 20 years in the decade between 1945 and 1955. As life expectancy continues to increase, Japan expects difficulties caring for the older generation in the future. Shortages in the service sector are already a major concern, with demand for nurses and care workers increasing.

Fertility and birth rates

The fertility rate among Japan’s population has been around 1.4 children per woman since 2010. Apart from a small baby boom in the early seventies, the crude birth rate of Japan has been declining since 1950 and is expected to be as low as 7.5 births per thousand people in 2020. With falling birth rates and such a large share of its inhabitants reaching their later years, Japan’s total population is expected to continue declining.

Japan: Median age of the population from 1950 to 2050*

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Release date

July 2019



Survey time period

1950 to 2050*

Supplementary notes

* The 2020 figure is a projection; according to the source, figures have been based on a medium variant.

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