일본 인구 감소 시뮬레이터

Mie三重県

Kawagoe 川越町

Data last updated:

Kawagoe, Mie, Japan has a population of 15,786 (2025 national census). IPSS projections estimate 15,515 by 2030 and 14,891 by 2050 (a decrease of about 1.5% from 2020), with the share of residents aged 65+ rising from 18.9% in 2020 to 30.4%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025년

(실적)

15,786명

2030년

(추계)

15,515명

▲ +2.6%

2040년

(추계)

15,420명

▲ +2.0%

2050년

(추계)

14,891명

▼ -1.5%

Change vs. 2020 census

고령화율(65세 이상): 2020년 18.9%→2050년 30.4%

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Mie (三重県)의 다른 시구정촌

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.

Kawagoe 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
198010,645▼ -29.6%Census
198510,403▼ -31.2%Census
19909,988▼ -34.0%Census
199510,863▼ -28.2%Census
200011,782▼ -22.1%Census
200513,048▼ -13.7%Census
201014,003▼ -7.4%Census
201514,752▼ -2.5%Census
202015,123—Census
202515,786▲ +4.4%Census
203015,515▲ +2.6%Projection
203515,520▲ +2.6%Projection
204015,420▲ +2.0%Projection
204515,204▲ +0.5%Projection
205014,891▼ -1.5%Projection

About Kawagoe

Overview

Kawagoe (川越町) is a municipality in Mie, Japan, with a population of 15,786 as of 2025.

Population Projection of Kawagoe

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kawagoe's population is expected to reach 15,515 by 2030 (+2.6%), 15,420 by 2040 (+2.0%), and 14,891 by 2050 (-1.5%). A modest population change is expected.

Aging Rate of Kawagoe

The aging rate (percentage of residents aged 65 and over) is 18.9% as of 2020 and is projected to rise to 30.4% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1780 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1823 out of 1903 nationwide.
  • Population size: Ranked #1164 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Mie

Mie (三重県)의 소득 수준: Mie (三重県)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사

Frequently Asked Questions

Q.What is the current population of Kawagoe, Mie?
A.According to the 2025 national census, Kawagoe has a population of 15,786.
Q.What is the population of Kawagoe in 2026?
A.Kawagoe's population in 2026 is estimated at approximately 15,732. This is an interpolated reference value between the 2025 census (15,786) and the IPSS projection for 2030 (15,515).
Q.What is the projected population of Kawagoe in the future?
A.According to IPSS projections, Kawagoe's population is expected to be 15,515 in 2030, 15,420 in 2040, and 14,891 in 2050.
Q.What is the population decline rate of Kawagoe?
A.Over the 30 years from 2020 to 2050, Kawagoe's population is projected to change by -1.5%. The 10-year change is +2.6% and the 20-year change is +2.0%.
Q.Why is the population of Kawagoe 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 Kawagoe, the share of residents aged 65+ is projected to rise from 18.9% to 30.4% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Kawagoe?
A.Kawagoe's aging rate (percentage aged 65 and over) is 18.9% as of 2020, projected to rise to 30.4% 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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