Population Pyramids of the World from 1950 to 2100

Japan Population Pyramid 2027

Japan
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2027
Population: 121,732,340

Year

-5 -1   2027  +1 +5

Country

A B C D E F G H I J K L M N O P Q R S T U V W Y Z
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Summary

Japan in 2027

By 2027, the population of Japan is expected to reach 121,732,340. That would be 4.2% less than in 2017 (127,064,690).

With a projected median age of 51.4 years, Japan would have a youth dependency ratio of 18.5 and an old-age dependency ratio of 51.7 per 100 people of working age. The pyramid is constrictive: cohorts of children are smaller than those of their parents, reflecting low fertility and an ageing population.

Ranks #13 of 201 by population Ranks #2 of 201 by median age Ranks #183 of 201 by growth

Share of the population by age group, 1950–2100

Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.

Key indicators for Japan
Population
121,732,340
Median age
51.4
0-14 %
10.9%
65+ %
30.4%
Child dependency
18.5
Old-age dependency
51.7
Region
ASIA
Pyramid shape
Constrictive
Population 2050
105,123,168
Population 2100
76,845,989
What is driving the change
Births per woman
Total fertility rate, 1960–2023
123
1960Replacement level (2.1)2023 · 1.2

In 2023 women in Japan had on average 1.20 children, below the replacement level of 2.1.

Source: World Bank World Development Indicators, latest available year.

Life expectancy at birth
Years, 1960–2023
Total Women Men
60708090
19602023 · 84.0

Life expectancy at birth was 84.0 years in 2023: 87.1 for women and 81.1 for men.

Source: World Bank World Development Indicators, latest available year.

People supported per 100 workers
Dependency ratios, 1950–2100
Children Older adults
20406080
19502100
Migration to and from Japan
Where immigrants come from (2024)

3,409,328 immigrants live in Japan, 2.8% of the population.

China809,893
Viet Nam589,874
Republic of Korea393,944
Philippines319,772
Brazil207,220
Where emigrants live (2024)

1,007,411 people born in Japan live in other countries.

United States of America547,444
Thailand104,515
Australia53,094
Brazil52,758
China40,436
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How Japan compares with its neighbours
Country Population Median age Relative size
Japan 121,732,341 51.4
Republic of Korea 51,518,845 47.9
Dem. People's Republic of Korea 26,686,498 38.1
Taiwan 22,908,339 47.0
China, Hong Kong SAR 7,355,041 49.6
Frequently asked questions about Japan's population
How many people are projected to live in Japan in 2027?
Japan is projected to have a population of 121,732,340 in 2027.
Is the population of Japan increasing or decreasing?
Yes, shrinking: down 4.2% from 2017, with a projected population of 105,123,168 in 2050.
How old is the population of Japan?
The median age in Japan is 51.4 years — half the population is younger, half older.
What share of Japan's population is over 65 or under 15?
30.4% of Japan's population is 65 or older, and 10.9% is under 15.
What type of population pyramid does Japan have?
Japan's pyramid is constrictive — narrower at the base than the middle, the signature of sustained low fertility and population ageing.

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