Japan's population is aging rapidly, with nearly 30% of its people aged 65 or older. This demographic shift coincides with a total fertility rate of 1.2 children per woman, resulting in a natural population decline.
Key Takeaways
- 1.25% annual population growth rate in Japan (2023)
- 29.0% of Japan’s population aged 65+ (2023)
- 84.5 years life expectancy at birth in Japan (2023)
- 1.7% of Japan’s population was foreign-born (2020)
- 2.0% foreign-born share in Japan (2020)
- 36.2% of Japan’s population lived in the Tokyo metropolitan area in 2020 (Metropolitan Area share)
- 91.8% of Japan’s population lived in urban areas (2022)
- 1,083 municipalities out of 1,741 are ‘marginal’ aging or declining areas (as of 2020 MIC framework)
- 12.7% of adults in Japan have hypertension (2022 Global Burden of Disease risk factor estimate)
- 10.9% of Japan’s GDP spent on health in 2022 (current prices; OECD/WHO GHE data)
- 13.0 hospital beds per 1,000 population in Japan (2021)
- 7.9% of Japan’s workforce employed in health and social work sectors (2022)
- 21.3% old-age dependency ratio in Japan (population 65+ per 15–64, 2023)
- 66.6% youth dependency ratio in Japan (population 0–14 per 15–64, 2023)
- 4.2 million Japan residents aged 0–14 years (2023)
Japan’s population is shrinking with low fertility, aging fast, and health system strain rising.
Related reading
01 · Category
Population & Demographics12 stats
01
1.25% annual population growth rate in Japan (2023)
02
29.0% of Japan’s population aged 65+ (2023)
03
84.5 years life expectancy at birth in Japan (2023)
04
50.9% of Japan’s population is female (2023)
05
1.2 children per woman (total fertility rate, Japan, 2023)
06
7.2 births per 1,000 people in Japan (2023)
07
11.6 deaths per 1,000 people in Japan (2023)
08
-0.3% natural population change rate in Japan (2023)
09
0.2% net migration rate in Japan (2023)
10
335 persons per square kilometer population density in Japan (2023)
11
0.7% share of the world’s population for Japan (2024)
12
64.6 years median age in Japan (2024)
Interpretation
Population & Demographics Interpretation
Japan’s population is aging fast, with 29.0% of people aged 65+ in 2023 and a 1.2 total fertility rate, so the country sees a -0.3% natural population change even with only a small 0.2% net migration, underscoring a clear Population and Demographics trend toward long-term decline.
02 · Category
Migration & Diversity2 stats
01
1.7% of Japan’s population was foreign-born (2020)
02
2.0% foreign-born share in Japan (2020)
Interpretation
Migration & Diversity Interpretation
In 2020, foreign-born residents made up 1.7% of Japan’s population and foreigners accounted for 2.0% overall, showing that while migration is present, it contributes a relatively small share to Japan’s diversity under the Migration and Diversity lens.
03 · Category
Urbanization & Households3 stats
01
36.2% of Japan’s population lived in the Tokyo metropolitan area in 2020 (Metropolitan Area share)
02
91.8% of Japan’s population lived in urban areas (2022)
03
1,083 municipalities out of 1,741 are ‘marginal’ aging or declining areas (as of 2020 MIC framework)
Interpretation
Urbanization & Households Interpretation
In 2022, 91.8% of Japan’s population lived in urban areas, yet 1,083 of 1,741 municipalities are already classified as marginal aging or declining as of 2020, showing how urban concentration can leave many household communities outside major metros struggling.
04 · Category
Ageing & Health3 stats
01
12.7% of adults in Japan have hypertension (2022 Global Burden of Disease risk factor estimate)
02
10.9% of Japan’s GDP spent on health in 2022 (current prices; OECD/WHO GHE data)
03
13.0 hospital beds per 1,000 population in Japan (2021)
Interpretation
Ageing & Health Interpretation
Japan’s Ageing & Health challenge is clear because 12.7% of adults have hypertension, and with 13.0 hospital beds per 1,000 people and health spending at 10.9% of GDP in 2022, the system is supporting a population facing rising chronic health needs.
05 · Category
Labor & Dependency8 stats
01
7.9% of Japan’s workforce employed in health and social work sectors (2022)
02
21.3% old-age dependency ratio in Japan (population 65+ per 15–64, 2023)
03
66.6% youth dependency ratio in Japan (population 0–14 per 15–64, 2023)
04
39.5% total dependency ratio in Japan (2023)
05
75.2% employment rate among men aged 15–64 in Japan (2022)
06
2.3 million labor force participation change: Japan’s labor force shrank by 0.5% in 2023 compared with 2022 (Labour Force Survey, annual change)
07
2.6 million ‘unemployed’ persons in Japan in 2023 (ILO modeled estimate for unemployment)
08
2.5 million NEET youth (15–29) in Japan in 2023 (ILO or OECD NEET estimates)
Interpretation
Labor & Dependency Interpretation
With an old-age dependency ratio of 21.3% and a total dependency ratio of 39.5% in 2023 alongside a shrinking labor force of 0.5% and 2.3 million unemployed people, Japan’s Labor and Dependency picture shows mounting pressure to support a growing nonworking population while the effective workforce supply tightens.
More related reading
06 · Category
Fertility & Health4 stats
01
4.2 million Japan residents aged 0–14 years (2023)
02
13.3 deaths per 1,000 population in Japan (2023)
03
79.0% of adults in Japan are not current smokers (2022)
04
30.3% of Japan’s adults are obese (BMI ≥ 30) (2022)
Interpretation
Fertility & Health Interpretation
In Japan’s Fertility and Health picture, a relatively small share of the population is young with only 4.2 million residents aged 0–14 in 2023 while health behaviors and outcomes show risk factors like 30.3% obesity in adults and 13.3 deaths per 1,000 population in 2023.
07 · Category
Labor & Aging3 stats
01
22.1% of Japan’s population is aged 70+ (2023)
02
59.3% employment rate among women aged 15–64 in Japan (2022)
03
36.2% of Japan’s total population is aged 60+ (2023)
Interpretation
Labor & Aging Interpretation
With 36.2% of Japan’s population aged 60+ and 22.1% already at 70+ as of 2023, the Labor and Aging challenge is clear and urgent, especially since women’s employment stands at 59.3% for ages 15 to 64 in 2022.
08 · Category
Migration & Households2 stats
01
3.2 million Japan residents are aged 15–24 (2023)
02
6.0 million people in Japan lived alone (2020)
Interpretation
Migration & Households Interpretation
In Japan, the Migration and Households picture is shaped by young residents and changing living arrangements, with 3.2 million people aged 15 to 24 in 2023 and 6.0 million living alone in 2020 suggesting growing demand for youth-focused mobility and household support.
09 · Category
Housing & Urbanization2 stats
01
31.6% of Japan’s land is used for agriculture (2019)
02
21.1% of Japan’s housing stock is owner-occupied (2023)
Interpretation
Housing & Urbanization Interpretation
With only 21.1% of Japan’s housing stock being owner-occupied in 2023, the housing market under the Housing and Urbanization category appears to be dominated by non-owner arrangements rather than widespread home ownership.
Reference
Cite This Report
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APA
Nathan Caldwell. (2026, February 13). Japan Population Statistics. Gitnux. https://gitnux.org/japan-population-statistics
MLA
Nathan Caldwell. "Japan Population Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/japan-population-statistics.
Chicago
Nathan Caldwell. 2026. "Japan Population Statistics." Gitnux. https://gitnux.org/japan-population-statistics.
Sources & references
39 datasets cited across this report · attribution is report-level
+22 additional datasets cited (not shown individually)