Japan Population Decline Simulator

Tokyo東京都

Akiruno あきる野市

Data last updated:

Akiruno, Tokyo, Japan has a population of 77,141 (2025 national census). IPSS projections estimate 75,649 by 2030 and 66,455 by 2050 (a decrease of about 16.2% from 2020), with the share of residents aged 65+ rising from 31.0% in 2020 to 42.0%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025Census

77,141

2030Projection

75,649

▼ -4.6%

2040Projection

70,890

▼ -10.6%

2050Projection

66,455

▼ -16.2%

Change vs. 2020 census

Elderly Rate (65+): 2020 31%→2050 42%

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Other municipalities in Tokyo (東京都)

Data Sources

  • Portal Site of Official Statistics of Japan (e-Stat)(https://www.e-stat.go.jp/)
  • National Institute of Population and Social Security Research (IPSS), Regional Population Projections (2023 ed.)

* This service uses the e-Stat API but its content is not guaranteed by the Japanese government.

Akiruno Population Table (1980–2050)

Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.

YearPopulationvs 2020Type
198062,810▼ -20.8%Census
198566,529▼ -16.1%Census
199071,940▼ -9.3%Census
199575,355▼ -5.0%Census
200078,351▼ -1.2%Census
200579,587▲ +0.4%Census
201080,868▲ +2.0%Census
201580,954▲ +2.1%Census
202079,292—Census
202577,141▼ -2.7%Census
203075,649▼ -4.6%Projection
203573,283▼ -7.6%Projection
204070,890▼ -10.6%Projection
204568,618▼ -13.5%Projection
205066,455▼ -16.2%Projection

About Akiruno

Overview

Akiruno (あきる野市) is a municipality in Tokyo, Japan, with a population of 77,141 as of 2025.

Population Projection of Akiruno

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Akiruno's population is expected to reach 75,649 by 2030 (-4.6%), 70,890 by 2040 (-10.6%), and 66,455 by 2050 (-16.2%). A modest population change is expected.

Aging Rate of Akiruno

The aging rate (percentage of residents aged 65 and over) is 31.0% as of 2020 and is projected to rise to 42.0% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

Akiruno's demographic trajectory is similar to the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1452 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1093 out of 1903 nationwide.
  • Population size: Ranked #505 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Tokyo

Earnings in Tokyo (東京都): Average salary in Tokyo (東京都) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Akiruno, Tokyo?
A.According to the 2025 national census, Akiruno has a population of 77,141.
Q.What is the population of Akiruno in 2026?
A.Akiruno's population in 2026 is estimated at approximately 76,843. This is an interpolated reference value between the 2025 census (77,141) and the IPSS projection for 2030 (75,649).
Q.What is the projected population of Akiruno in the future?
A.According to IPSS projections, Akiruno's population is expected to be 75,649 in 2030, 70,890 in 2040, and 66,455 in 2050.
Q.What is the population decline rate of Akiruno?
A.Over the 30 years from 2020 to 2050, Akiruno's population is projected to change by -16.2%. The 10-year change is -4.6% and the 20-year change is -10.6%.
Q.Why is the population of Akiruno declining?
A.Nationwide, Japan's population decline is driven by natural decrease (deaths exceeding births) and, in regional municipalities, by net out-migration of young people to major metropolitan areas. In Akiruno, the share of residents aged 65+ is projected to rise from 31.0% to 42.0% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Akiruno?
A.Akiruno's aging rate (percentage aged 65 and over) is 31.0% as of 2020, projected to rise to 42.0% by 2050.
Q.Where does this population data come from?
A.Historical data is sourced from Japan's national census via the e-Stat API (Statistics Bureau of Japan). Future projections are from the National Institute of Population and Social Security Research (IPSS) "Regional Population Projections 2023".
Q.Is the data up to date?
A.Historical data uses national census results through 2025. Future projections use the IPSS 2023 edition, which is based on the 2020 census.

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