Japan Population Decline Simulator

Aichi愛知県

Miyoshi みよし市

Data last updated:

Miyoshi, Aichi, Japan has a population of 61,458 (2025 national census). IPSS projections estimate 61,282 by 2030 and 56,436 by 2050 (a decrease of about 8.9% from 2020), with the share of residents aged 65+ rising from 18.6% in 2020 to 33.1%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025Census

61,458

2030Projection

61,282

▼ -1.1%

2040Projection

59,309

▼ -4.3%

2050Projection

56,436

▼ -8.9%

Change vs. 2020 census

Elderly Rate (65+): 2020 18.6%→2050 33.1%

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Other municipalities in Aichi (愛知県)

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.

Miyoshi 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
198028,552▼ -53.9%Census
198530,039▼ -51.5%Census
199032,241▼ -48.0%Census
199539,920▼ -35.6%Census
200047,684▼ -23.0%Census
200556,252▼ -9.2%Census
201060,098▼ -3.0%Census
201561,810▼ -0.2%Census
202061,952—Census
202561,458▼ -0.8%Census
203061,282▼ -1.1%Projection
203560,366▼ -2.6%Projection
204059,309▼ -4.3%Projection
204558,011▼ -6.4%Projection
205056,436▼ -8.9%Projection

About Miyoshi

Overview

Miyoshi (みよし市) is a municipality in Aichi, Japan, with a population of 61,458 as of 2025.

Population Projection of Miyoshi

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Miyoshi's population is expected to reach 61,282 by 2030 (-1.1%), 59,309 by 2040 (-4.3%), and 56,436 by 2050 (-8.9%). A modest population change is expected.

Aging Rate of Miyoshi

The aging rate (percentage of residents aged 65 and over) is 18.6% as of 2020 and is projected to rise to 33.1% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1646 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1725 out of 1903 nationwide.
  • Population size: Ranked #591 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Aichi

Earnings in Aichi (愛知県): Average salary in Aichi (愛知県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Miyoshi, Aichi?
A.According to the 2025 national census, Miyoshi has a population of 61,458.
Q.What is the population of Miyoshi in 2026?
A.Miyoshi's population in 2026 is estimated at approximately 61,423. This is an interpolated reference value between the 2025 census (61,458) and the IPSS projection for 2030 (61,282).
Q.What is the projected population of Miyoshi in the future?
A.According to IPSS projections, Miyoshi's population is expected to be 61,282 in 2030, 59,309 in 2040, and 56,436 in 2050.
Q.What is the population decline rate of Miyoshi?
A.Over the 30 years from 2020 to 2050, Miyoshi's population is projected to change by -8.9%. The 10-year change is -1.1% and the 20-year change is -4.3%.
Q.Why is the population of Miyoshi 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 Miyoshi, the share of residents aged 65+ is projected to rise from 18.6% to 33.1% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Miyoshi?
A.Miyoshi's aging rate (percentage aged 65 and over) is 18.6% as of 2020, projected to rise to 33.1% 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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