Japan Population Decline Simulator

Tokyo東京都

Nerima 練馬区

Data last updated:

Nerima, Tokyo, Japan has a population of 760,819 (2025 national census). IPSS projections estimate 765,071 by 2030 and 755,009 by 2050 (an increase of about 0.3% from 2020), with the share of residents aged 65+ rising from 22.1% in 2020 to 26.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025Census

760,819

2030Projection

765,071

▲ +1.7%

2040Projection

764,854

▲ +1.6%

2050Projection

755,009

▲ +0.3%

Change vs. 2020 census

Elderly Rate (65+): 2020 22.1%→2050 26.2%

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Other municipalities in Tokyo (東京都)

Data Sources

  • Portal Site of Official Statistics of Japan (e-Stat)(https://www.e-stat.go.jp/)
  • National Institute of Population and Social Security Research (IPSS), Regional Population Projections (2023 ed.)

* This service uses the e-Stat API but its content is not guaranteed by the Japanese government.

Nerima 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
1980564,156▼ -25.0%Census
1985587,887▼ -21.9%Census
1990618,663▼ -17.8%Census
1995635,746▼ -15.5%Census
2000658,132▼ -12.6%Census
2005692,339▼ -8.0%Census
2010716,124▼ -4.8%Census
2015721,722▼ -4.1%Census
2020752,608—Census
2025760,819▲ +1.1%Census
2030765,071▲ +1.7%Projection
2035765,653▲ +1.7%Projection
2040764,854▲ +1.6%Projection
2045761,202▲ +1.1%Projection
2050755,009▲ +0.3%Projection

About Nerima

Overview

Nerima (練馬区) is a municipality in Tokyo, Japan, with a population of 760,819 as of 2025.

Population Projection of Nerima

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Nerima's population is expected to reach 765,071 by 2030 (+1.7%), 764,854 by 2040 (+1.6%), and 755,009 by 2050 (+0.3%). Nerima is among the rare Japanese municipalities projected to see population growth.

Aging Rate of Nerima

The aging rate (percentage of residents aged 65 and over) is 22.1% as of 2020 and is projected to rise to 26.2% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1797 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1881 out of 1903 nationwide.
  • Population size: Ranked #18 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Tokyo

Earnings in Tokyo (東京都): Average salary in Tokyo (東京都) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Nerima, Tokyo?
A.According to the 2025 national census, Nerima has a population of 760,819.
Q.What is the population of Nerima in 2026?
A.Nerima's population in 2026 is estimated at approximately 761,669. This is an interpolated reference value between the 2025 census (760,819) and the IPSS projection for 2030 (765,071).
Q.What is the projected population of Nerima in the future?
A.According to IPSS projections, Nerima's population is expected to be 765,071 in 2030, 764,854 in 2040, and 755,009 in 2050.
Q.What is the population decline rate of Nerima?
A.Over the 30 years from 2020 to 2050, Nerima's population is projected to change by +0.3%. The 10-year change is +1.7% and the 20-year change is +1.6%.
Q.Why is the population of Nerima 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. Nerima is one of the minority of Japanese municipalities projected to grow through 2050.
Q.What is the aging rate of Nerima?
A.Nerima's aging rate (percentage aged 65 and over) is 22.1% as of 2020, projected to rise to 26.2% 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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