Japan Population Decline Simulator

Kanagawa神奈川県

Manazuru 真鶴町

Data last updated:

Manazuru, Kanagawa, Japan has a population of 5,957 (2025 national census). IPSS projections estimate 5,576 by 2030 and 3,364 by 2050 (a decrease of about 50.0% from 2020), with the share of residents aged 65+ rising from 43.6% in 2020 to 62.4%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

5,957

2030

(Projection)

5,576

▼ -17.0%

2040

(Projection)

4,412

▼ -34.4%

2050

(Projection)

3,364

▼ -50.0%

Change vs. 2020 census

Elderly Rate (65+): 2020 43.6%→2050 62.4%

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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.

Manazuru 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
19809,968▲ +48.3%Census
19859,834▲ +46.3%Census
19909,588▲ +42.6%Census
19959,606▲ +42.9%Census
20009,075▲ +35.0%Census
20058,714▲ +29.6%Census
20108,212▲ +22.2%Census
20157,333▲ +9.1%Census
20206,722—Census
20255,957▼ -11.4%Census
20305,576▼ -17.0%Projection
20354,993▼ -25.7%Projection
20404,412▼ -34.4%Projection
20453,871▼ -42.4%Projection
20503,364▼ -50.0%Projection

About Manazuru

Overview

Manazuru (真鶴町) is a municipality in Kanagawa, Japan, with a population of 5,957 as of 2025.

Population Projection of Manazuru

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Manazuru's population is expected to reach 5,576 by 2030 (-17.0%), 4,412 by 2040 (-34.4%), and 3,364 by 2050 (-50.0%). The town is projected to lose more than half its population over 30 years.

Aging Rate of Manazuru

The aging rate (percentage of residents aged 65 and over) is 43.6% as of 2020 and is projected to rise to 62.4% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

Manazuru is experiencing one of the faster rates of population decline in Japan.

National and Prefectural Rank

  • Population decline rate: Ranked #342 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #64 out of 1903 nationwide.
  • Population size: Ranked #1536 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 Manazuru, Kanagawa?
A.According to the 2025 national census, Manazuru has a population of 5,957.
Q.What is the population of Manazuru in 2026?
A.Manazuru's population in 2026 is estimated at approximately 5,881. This is an interpolated reference value between the 2025 census (5,957) and the IPSS projection for 2030 (5,576).
Q.What is the projected population of Manazuru in the future?
A.According to IPSS projections, Manazuru's population is expected to be 5,576 in 2030, 4,412 in 2040, and 3,364 in 2050.
Q.What is the population decline rate of Manazuru?
A.Over the 30 years from 2020 to 2050, Manazuru's population is projected to change by -50.0%. The 10-year change is -17.0% and the 20-year change is -34.4%.
Q.Why is the population of Manazuru 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 Manazuru, the share of residents aged 65+ is projected to rise from 43.6% to 62.4% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Manazuru?
A.Manazuru's aging rate (percentage aged 65 and over) is 43.6% as of 2020, projected to rise to 62.4% 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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