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Tokyo東京都

Nishitoukyou 西東京市

Data last updated:

Nishitoukyou, Tokyo, Japan has a population of 207,389 (2020 national census). IPSS projections estimate 212,640 by 2030 and 212,923 by 2050 (an increase of about 2.7% from 2020), with the share of residents aged 65+ rising from 23.9% to 31.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020년

(실적)

207,389명

2030년

(추계)

212,640명

▲ +2.5%

2040년

(추계)

214,300명

▲ +3.3%

2050년

(추계)

212,923명

▲ +2.7%

고령화율（65세 이상）: 2020년 23.9%→2050년 31.7%

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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.

Nishitoukyou Population Projection Table (2020–2050)

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

YearPopulationvs 2020Type
2020207,389—Census
2025210,968▲ +1.7%Projection
2030212,640▲ +2.5%Projection
2035213,841▲ +3.1%Projection
2040214,300▲ +3.3%Projection
2045213,944▲ +3.2%Projection
2050212,923▲ +2.7%Projection

About Nishitoukyou

Overview

Nishitoukyou (西東京市) is a municipality in Tokyo, Japan, with a population of 207,389 as of 2020.

Population Projection of Nishitoukyou

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Nishitoukyou's population is expected to reach 212,640 by 2030 (+2.5%), 214,300 by 2040 (+3.3%), and 212,923 by 2050 (+2.7%). Nishitoukyou is among the rare Japanese municipalities projected to see population growth.

Aging Rate of Nishitoukyou

The aging rate (percentage of residents aged 65 and over) is 23.9% as of 2020 and is projected to rise to 31.7% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1849 out of 1916 municipalities nationwide.
  • Aging rate in 2050: Ranked #1780 out of 1916 nationwide.
  • Population size: Ranked #176 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Tokyo

Frequently Asked Questions

Q.What is the current population of Nishitoukyou, Tokyo?
A.According to the 2020 national census, Nishitoukyou has a population of 207,389.
Q.What is the population of Nishitoukyou in 2026?
A.Nishitoukyou's population in 2026 is estimated at approximately 211,302. This is an interpolated reference value between the 2020 census (207,389) and the IPSS projection for 2030 (212,640).
Q.What is the projected population of Nishitoukyou in the future?
A.According to IPSS projections, Nishitoukyou's population is expected to be 212,640 in 2030, 214,300 in 2040, and 212,923 in 2050.
Q.What is the population decline rate of Nishitoukyou?
A.Over the 30 years from 2020 to 2050, Nishitoukyou's population is projected to change by +2.7%. The 10-year change is +2.5% and the 20-year change is +3.3%.
Q.Why is the population of Nishitoukyou growing?
A.Municipalities with growing populations typically benefit from net in-migration driven by good access to major metropolitan areas, housing development, and family support policies. Nishitoukyou is one of the minority of Japanese municipalities projected to grow through 2050.
Q.What is the aging rate of Nishitoukyou?
A.Nishitoukyou's aging rate (percentage aged 65 and over) is 23.9% as of 2020, projected to rise to 31.7% 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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