Japan Population Decline Simulator

Saitama埼玉県

Miyashiro 宮代町

Data last updated:

Miyashiro, Saitama, Japan has a population of 33,542 (2025 national census). IPSS projections estimate 32,654 by 2030 and 28,029 by 2050 (a decrease of about 17.9% from 2020), with the share of residents aged 65+ rising from 32.4% in 2020 to 37.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

33,542

2030

(Projection)

32,654

▼ -4.4%

2040

(Projection)

30,233

▼ -11.5%

2050

(Projection)

28,029

▼ -17.9%

Change vs. 2020 census

Elderly Rate (65+): 2020 32.4%→2050 37.9%

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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.

Miyashiro 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
198029,537▼ -13.5%Census
198531,212▼ -8.6%Census
199033,837▼ -0.9%Census
199535,712▲ +4.6%Census
200035,193▲ +3.1%Census
200534,620▲ +1.4%Census
201033,641▼ -1.5%Census
201533,705▼ -1.3%Census
202034,147—Census
202533,542▼ -1.8%Census
203032,654▼ -4.4%Projection
203531,506▼ -7.7%Projection
204030,233▼ -11.5%Projection
204529,017▼ -15.0%Projection
205028,029▼ -17.9%Projection

About Miyashiro

Overview

Miyashiro (宮代町) is a municipality in Saitama, Japan, with a population of 33,542 as of 2025.

Population Projection of Miyashiro

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Miyashiro's population is expected to reach 32,654 by 2030 (-4.4%), 30,233 by 2040 (-11.5%), and 28,029 by 2050 (-17.9%). A modest population change is expected.

Aging Rate of Miyashiro

The aging rate (percentage of residents aged 65 and over) is 32.4% as of 2020 and is projected to rise to 37.9% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1408 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1409 out of 1903 nationwide.
  • Population size: Ranked #845 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Saitama

Earnings in Saitama (埼玉県): Average salary in Saitama (埼玉県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Miyashiro, Saitama?
A.According to the 2025 national census, Miyashiro has a population of 33,542.
Q.What is the population of Miyashiro in 2026?
A.Miyashiro's population in 2026 is estimated at approximately 33,364. This is an interpolated reference value between the 2025 census (33,542) and the IPSS projection for 2030 (32,654).
Q.What is the projected population of Miyashiro in the future?
A.According to IPSS projections, Miyashiro's population is expected to be 32,654 in 2030, 30,233 in 2040, and 28,029 in 2050.
Q.What is the population decline rate of Miyashiro?
A.Over the 30 years from 2020 to 2050, Miyashiro's population is projected to change by -17.9%. The 10-year change is -4.4% and the 20-year change is -11.5%.
Q.Why is the population of Miyashiro 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 Miyashiro, the share of residents aged 65+ is projected to rise from 32.4% to 37.9% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Miyashiro?
A.Miyashiro's aging rate (percentage aged 65 and over) is 32.4% as of 2020, projected to rise to 37.9% 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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