Japan Population Decline Simulator

Kanagawa神奈川県

Midori 横浜市緑区

Data last updated:

Midori, Kanagawa, Japan has a population of 181,166 (2025 national census). IPSS projections estimate 183,536 by 2030 and 175,764 by 2050 (a decrease of about 4.0% from 2020), with the share of residents aged 65+ rising from 24.8% in 2020 to 35.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

181,166

2030

(Projection)

183,536

▲ +0.2%

2040

(Projection)

180,610

▼ -1.4%

2050

(Projection)

175,764

▼ -4.0%

Change vs. 2020 census

Elderly Rate (65+): 2020 24.8%→2050 35.7%

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Other municipalities in Kanagawa (神奈川県)

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.

Midori 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
1980289,766▲ +58.3%Census
1985365,934▲ +99.9%Census
1990426,663▲ +133.0%Census
1995148,498▼ -18.9%Census
2000158,159▼ -13.6%Census
2005169,831▼ -7.2%Census
2010177,631▼ -3.0%Census
2015180,366▼ -1.5%Census
2020183,082—Census
2025181,166▼ -1.0%Census
2030183,536▲ +0.2%Projection
2035182,366▼ -0.4%Projection
2040180,610▼ -1.4%Projection
2045178,351▼ -2.6%Projection
2050175,764▼ -4.0%Projection

About Midori

Overview

Midori (横浜市緑区) is a municipality in Kanagawa, Japan, with a population of 181,166 as of 2025.

Population Projection of Midori

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Midori's population is expected to reach 183,536 by 2030 (+0.2%), 180,610 by 2040 (-1.4%), and 175,764 by 2050 (-4.0%). A modest population change is expected.

Aging Rate of Midori

The aging rate (percentage of residents aged 65 and over) is 24.8% as of 2020 and is projected to rise to 35.7% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1737 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1564 out of 1903 nationwide.
  • Population size: Ranked #207 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Kanagawa

Earnings in Kanagawa (神奈川県): Average salary in Kanagawa (神奈川県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Midori, Kanagawa?
A.According to the 2025 national census, Midori has a population of 181,166.
Q.What is the population of Midori in 2026?
A.Midori's population in 2026 is estimated at approximately 181,640. This is an interpolated reference value between the 2025 census (181,166) and the IPSS projection for 2030 (183,536).
Q.What is the projected population of Midori in the future?
A.According to IPSS projections, Midori's population is expected to be 183,536 in 2030, 180,610 in 2040, and 175,764 in 2050.
Q.What is the population decline rate of Midori?
A.Over the 30 years from 2020 to 2050, Midori's population is projected to change by -4.0%. The 10-year change is +0.2% and the 20-year change is -1.4%.
Q.Why is the population of Midori 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 Midori, the share of residents aged 65+ is projected to rise from 24.8% to 35.7% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Midori?
A.Midori's aging rate (percentage aged 65 and over) is 24.8% as of 2020, projected to rise to 35.7% 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 national census results through 2025. Future projections use the IPSS 2023 edition, which is based on the 2020 census.

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