일본 인구 감소 시뮬레이터

Saitama埼玉県

Kawagoe 川越市

Data last updated:

Kawagoe, Saitama, Japan has a population of 354,680 (2020 national census). IPSS projections estimate 352,898 by 2030 and 331,749 by 2050 (a decrease of about 6.5% from 2020), with the share of residents aged 65+ rising from 28.0% to 35.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020년

(실적)

354,680명

2030년

(추계)

352,898명

▼ -0.5%

2040년

(추계)

343,119명

▼ -3.3%

2050년

(추계)

331,749명

▼ -6.5%

고령화율（65세 이상）: 2020년 28%→2050년 35.9%

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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.

Kawagoe Population Projection Table (2020–2050)

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

YearPopulationvs 2020Type
2020354,680—Census
2025355,370▲ +0.2%Projection
2030352,898▼ -0.5%Projection
2035348,570▼ -1.7%Projection
2040343,119▼ -3.3%Projection
2045337,466▼ -4.9%Projection
2050331,749▼ -6.5%Projection

About Kawagoe

Overview

Kawagoe (川越市) is a municipality in Saitama, Japan, with a population of 354,680 as of 2020.

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 352,898 by 2030 (-0.5%), 343,119 by 2040 (-3.3%), and 331,749 by 2050 (-6.5%). A modest population change is expected.

Aging Rate of Kawagoe

The aging rate (percentage of residents aged 65 and over) is 28.0% as of 2020 and is projected to rise to 35.9% 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 #1683 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1551 out of 1903 nationwide.
  • Population size: Ranked #70 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Saitama

Frequently Asked Questions

Q.What is the current population of Kawagoe, Saitama?
A.According to the 2020 national census, Kawagoe has a population of 354,680.
Q.What is the population of Kawagoe in 2026?
A.Kawagoe's population in 2026 is estimated at approximately 354,876. This is an interpolated reference value between the 2020 census (354,680) and the IPSS projection for 2030 (352,898).
Q.What is the projected population of Kawagoe in the future?
A.According to IPSS projections, Kawagoe's population is expected to be 352,898 in 2030, 343,119 in 2040, and 331,749 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 -6.5%. The 10-year change is -0.5% and the 20-year change is -3.3%.
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 28.0% to 35.9% 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 28.0% as of 2020, projected to rise to 35.9% 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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