일본 인구 감소 시뮬레이터

Kagawa香川県

Tadotsu 多度津町

Data last updated:

Tadotsu, Kagawa, Japan has a population of 22,459 (2020 national census). IPSS projections estimate 20,824 by 2030 and 16,952 by 2050 (a decrease of about 24.5% from 2020), with the share of residents aged 65+ rising from 32.4% to 39.0%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020년

(실적)

22,459명

2030년

(추계)

20,824명

▼ -7.3%

2040년

(추계)

18,962명

▼ -15.6%

2050년

(추계)

16,952명

▼ -24.5%

고령화율（65세 이상）: 2020년 32.4%→2050년 39%

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데이터 출처

  • 일본 정부 통계 종합 포털(e-Stat)（https://www.e-stat.go.jp/）
  • 국립사회보장・인구문제연구소 「일본의 지역별 장래추계인구(레이와 5년 추계)」

※이 서비스는 e-Stat의 API 기능을 사용하고 있으나 서비스 내용은 일본 정부에 의해 보증된 것이 아닙니다.

Tadotsu Population Projection Table (2020–2050)

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

YearPopulationvs 2020Type
202022,459—Census
202521,658▼ -3.6%Projection
203020,824▼ -7.3%Projection
203519,934▼ -11.2%Projection
204018,962▼ -15.6%Projection
204517,948▼ -20.1%Projection
205016,952▼ -24.5%Projection

About Tadotsu

Overview

Tadotsu (多度津町) is a municipality in Kagawa, Japan, with a population of 22,459 as of 2020.

Population Projection of Tadotsu

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Tadotsu's population is expected to reach 20,824 by 2030 (-7.3%), 18,962 by 2040 (-15.6%), and 16,952 by 2050 (-24.5%). A significant population decline is projected over the next three decades.

Aging Rate of Tadotsu

The aging rate (percentage of residents aged 65 and over) is 32.4% as of 2020 and is projected to rise to 39.0% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Tadotsu's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1223 out of 1916 municipalities nationwide.
  • Aging rate in 2050: Ranked #1342 out of 1916 nationwide.
  • Population size: Ranked #1063 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Kagawa

Frequently Asked Questions

Q.What is the current population of Tadotsu, Kagawa?
A.According to the 2020 national census, Tadotsu has a population of 22,459.
Q.What is the population of Tadotsu in 2026?
A.Tadotsu's population in 2026 is estimated at approximately 21,491. This is an interpolated reference value between the 2020 census (22,459) and the IPSS projection for 2030 (20,824).
Q.What is the projected population of Tadotsu in the future?
A.According to IPSS projections, Tadotsu's population is expected to be 20,824 in 2030, 18,962 in 2040, and 16,952 in 2050.
Q.What is the population decline rate of Tadotsu?
A.Over the 30 years from 2020 to 2050, Tadotsu's population is projected to change by -24.5%. The 10-year change is -7.3% and the 20-year change is -15.6%.
Q.Why is the population of Tadotsu 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 Tadotsu, the share of residents aged 65+ is projected to rise from 32.4% to 39.0% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Tadotsu?
A.Tadotsu's aging rate (percentage aged 65 and over) is 32.4% as of 2020, projected to rise to 39.0% 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 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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