일본 인구 감소 시뮬레이터

Tokyo東京都

Itabashi 板橋区

Data last updated:

Itabashi, Tokyo, Japan has a population of 584,403 (2020 national census). IPSS projections estimate 598,135 by 2030 and 605,109 by 2050 (an increase of about 3.5% from 2020), with the share of residents aged 65+ rising from 23.4% to 28.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020년

(실적)

584,403명

2030년

(추계)

598,135명

▲ +2.3%

2040년

(추계)

606,997명

▲ +3.9%

2050년

(추계)

605,109명

▲ +3.5%

고령화율（65세 이상）: 2020년 23.4%→2050년 28.7%

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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.

Itabashi Population Projection Table (2020–2050)

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

YearPopulationvs 2020Type
2020584,403—Census
2025591,743▲ +1.3%Projection
2030598,135▲ +2.3%Projection
2035603,745▲ +3.3%Projection
2040606,997▲ +3.9%Projection
2045607,176▲ +3.9%Projection
2050605,109▲ +3.5%Projection

About Itabashi

Overview

Itabashi (板橋区) is a municipality in Tokyo, Japan, with a population of 584,403 as of 2020.

Population Projection of Itabashi

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Itabashi's population is expected to reach 598,135 by 2030 (+2.3%), 606,997 by 2040 (+3.9%), and 605,109 by 2050 (+3.5%). Itabashi is among the rare Japanese municipalities projected to see population growth.

Aging Rate of Itabashi

The aging rate (percentage of residents aged 65 and over) is 23.4% as of 2020 and is projected to rise to 28.7% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1856 out of 1916 municipalities nationwide.
  • Aging rate in 2050: Ranked #1859 out of 1916 nationwide.
  • Population size: Ranked #31 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Tokyo

Frequently Asked Questions

Q.What is the current population of Itabashi, Tokyo?
A.According to the 2020 national census, Itabashi has a population of 584,403.
Q.What is the population of Itabashi in 2026?
A.Itabashi's population in 2026 is estimated at approximately 593,021. This is an interpolated reference value between the 2020 census (584,403) and the IPSS projection for 2030 (598,135).
Q.What is the projected population of Itabashi in the future?
A.According to IPSS projections, Itabashi's population is expected to be 598,135 in 2030, 606,997 in 2040, and 605,109 in 2050.
Q.What is the population decline rate of Itabashi?
A.Over the 30 years from 2020 to 2050, Itabashi's population is projected to change by +3.5%. The 10-year change is +2.3% and the 20-year change is +3.9%.
Q.Why is the population of Itabashi 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. Itabashi is one of the minority of Japanese municipalities projected to grow through 2050.
Q.What is the aging rate of Itabashi?
A.Itabashi's aging rate (percentage aged 65 and over) is 23.4% as of 2020, projected to rise to 28.7% 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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