Japan Population Decline Simulator

Tokyo東京都

Miyakejimamiyake 三宅村

Data last updated:

Miyakejimamiyake, Tokyo, Japan has a population of 1,986 (2025 national census). IPSS projections estimate 1,963 by 2030 and 1,613 by 2050 (a decrease of about 29.0% from 2020), with the share of residents aged 65+ rising from 39.3% in 2020 to 35.0%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025Census

1,986

2030Projection

1,963

▼ -13.6%

2040Projection

1,733

▼ -23.8%

2050Projection

1,613

▼ -29.0%

Change vs. 2020 census

Elderly Rate (65+): 2020 39.3%→2050 35%

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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.

Miyakejimamiyake 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
19804,228▲ +86.0%Census
19854,167▲ +83.3%Census
19903,911▲ +72.1%Census
19953,831▲ +68.5%Census
20052,439▲ +7.3%Census
20102,676▲ +17.7%Census
20152,482▲ +9.2%Census
20202,273—Census
20251,986▼ -12.6%Census
20301,963▼ -13.6%Projection
20351,831▼ -19.4%Projection
20401,733▼ -23.8%Projection
20451,662▼ -26.9%Projection
20501,613▼ -29.0%Projection

About Miyakejimamiyake

Overview

Miyakejimamiyake (三宅村) is a municipality in Tokyo, Japan, with a population of 1,986 as of 2025.

Population Projection of Miyakejimamiyake

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Miyakejimamiyake's population is expected to reach 1,963 by 2030 (-13.6%), 1,733 by 2040 (-23.8%), and 1,613 by 2050 (-29.0%). A significant population decline is projected over the next three decades.

Aging Rate of Miyakejimamiyake

The aging rate (percentage of residents aged 65 and over) is 39.3% as of 2020 and is projected to rise to 35.0% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Miyakejimamiyake's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1093 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1612 out of 1903 nationwide.
  • Population size: Ranked #1812 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 Miyakejimamiyake, Tokyo?
A.According to the 2025 national census, Miyakejimamiyake has a population of 1,986.
Q.What is the population of Miyakejimamiyake in 2026?
A.Miyakejimamiyake's population in 2026 is estimated at approximately 1,981. This is an interpolated reference value between the 2025 census (1,986) and the IPSS projection for 2030 (1,963).
Q.What is the projected population of Miyakejimamiyake in the future?
A.According to IPSS projections, Miyakejimamiyake's population is expected to be 1,963 in 2030, 1,733 in 2040, and 1,613 in 2050.
Q.What is the population decline rate of Miyakejimamiyake?
A.Over the 30 years from 2020 to 2050, Miyakejimamiyake's population is projected to change by -29.0%. The 10-year change is -13.6% and the 20-year change is -23.8%.
Q.Why is the population of Miyakejimamiyake 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 Miyakejimamiyake, the share of residents aged 65+ is projected to rise from 39.3% to 35.0% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Miyakejimamiyake?
A.Miyakejimamiyake's aging rate (percentage aged 65 and over) is 39.3% as of 2020, projected to rise to 35.0% 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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