일본 인구 감소 시뮬레이터

Saitama埼玉県

Nishi さいたま市西区

Data last updated:

Nishi, Saitama, Japan has a population of 93,512 (2020 national census). IPSS projections estimate 98,659 by 2030 and 97,438 by 2050 (an increase of about 4.2% from 2020), with the share of residents aged 65+ rising from 27.9% to 33.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020년

(실적)

93,512명

2030년

(추계)

98,659명

▲ +5.5%

2040년

(추계)

98,636명

▲ +5.5%

2050년

(추계)

97,438명

▲ +4.2%

고령화율（65세 이상）: 2020년 27.9%→2050년 33.5%

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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.

Nishi Population Projection Table (2020–2050)

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

YearPopulationvs 2020Type
202093,512—Census
202597,959▲ +4.8%Projection
203098,659▲ +5.5%Projection
203598,871▲ +5.7%Projection
204098,636▲ +5.5%Projection
204598,084▲ +4.9%Projection
205097,438▲ +4.2%Projection

About Nishi

Overview

Nishi (さいたま市西区) is a municipality in Saitama, Japan, with a population of 93,512 as of 2020.

Population Projection of Nishi

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Nishi's population is expected to reach 98,659 by 2030 (+5.5%), 98,636 by 2040 (+5.5%), and 97,438 by 2050 (+4.2%). Nishi is among the rare Japanese municipalities projected to see population growth.

Aging Rate of Nishi

The aging rate (percentage of residents aged 65 and over) is 27.9% as of 2020 and is projected to rise to 33.5% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1849 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1702 out of 1903 nationwide.
  • Population size: Ranked #447 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Saitama

Frequently Asked Questions

Q.What is the current population of Nishi, Saitama?
A.According to the 2020 national census, Nishi has a population of 93,512.
Q.What is the population of Nishi in 2026?
A.Nishi's population in 2026 is estimated at approximately 98,099. This is an interpolated reference value between the 2020 census (93,512) and the IPSS projection for 2030 (98,659).
Q.What is the projected population of Nishi in the future?
A.According to IPSS projections, Nishi's population is expected to be 98,659 in 2030, 98,636 in 2040, and 97,438 in 2050.
Q.What is the population decline rate of Nishi?
A.Over the 30 years from 2020 to 2050, Nishi's population is projected to change by +4.2%. The 10-year change is +5.5% and the 20-year change is +5.5%.
Q.Why is the population of Nishi 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. Nishi is one of the minority of Japanese municipalities projected to grow through 2050.
Q.What is the aging rate of Nishi?
A.Nishi's aging rate (percentage aged 65 and over) is 27.9% as of 2020, projected to rise to 33.5% 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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