Japan Population Decline Simulator

Hyogo兵庫県

Taishi 太子町

Data last updated:

Taishi, Hyogo, Japan has a population of 33,498 (2020 national census). IPSS projections estimate 31,699 by 2030 and 26,806 by 2050 (a decrease of about 20.0% from 2020), with the share of residents aged 65+ rising from 27.4% to 38.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020

(Census)

33,498

2030

(Projection)

31,699

-5.4%

2040

(Projection)

29,332

-12.4%

2050

(Projection)

26,806

-20.0%

Elderly Rate (65+): 2020 27.4%2050 38.9%

Other municipalities in Hyogo (兵庫県)

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.

Taishi Population Projection Table (2020–2050)

Population by year, based on the national census and IPSS (2023) projections.

YearPopulationvs 2020Type
202033,498Census
202532,753▼ -2.2%Projection
203031,699▼ -5.4%Projection
203530,540▼ -8.8%Projection
204029,332▼ -12.4%Projection
204528,098▼ -16.1%Projection
205026,806▼ -20.0%Projection

About Taishi

Overview

Taishi (太子町) is a municipality in Hyogo, Japan, with a population of 33,498 as of 2020.

Population Projection of Taishi

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Taishi's population is expected to reach 31,699 by 2030 (-5.4%), 29,332 by 2040 (-12.4%), and 26,806 by 2050 (-20.0%). A significant population decline is projected over the next three decades.

Aging Rate of Taishi

The aging rate (percentage of residents aged 65 and over) is 27.4% as of 2020 and is projected to rise to 38.9% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Taishi's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1352 out of 1916 municipalities nationwide.
  • Aging rate in 2050: Ranked #1353 out of 1916 nationwide.
  • Population size: Ranked #875 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Hyogo

Frequently Asked Questions

Q.What is the current population of Taishi, Hyogo?
A.According to the 2020 national census, Taishi has a population of 33,498.
Q.What is the population of Taishi in 2026?
A.Taishi's population in 2026 is estimated at approximately 32,542. This is an interpolated reference value between the 2020 census (33,498) and the IPSS projection for 2030 (31,699).
Q.What is the projected population of Taishi in the future?
A.According to IPSS projections, Taishi's population is expected to be 31,699 in 2030, 29,332 in 2040, and 26,806 in 2050.
Q.What is the population decline rate of Taishi?
A.Over the 30 years from 2020 to 2050, Taishi's population is projected to change by -20.0%. The 10-year change is -5.4% and the 20-year change is -12.4%.
Q.Why is the population of Taishi 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 Taishi, the share of residents aged 65+ is projected to rise from 27.4% to 38.9% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Taishi?
A.Taishi's aging rate (percentage aged 65 and over) is 27.4% as of 2020, projected to rise to 38.9% 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 the 2020 national census results. Future projections use the IPSS 2023 edition. Data will be updated as new census results become available.

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