日本人口减少模拟器

Kanagawa神奈川県

Isogo 横浜市磯子区

Data last updated:

Isogo, Kanagawa, Japan has a population of 163,579 (2025 national census). IPSS projections estimate 163,670 by 2030 and 150,823 by 2050 (a decrease of about 9.5% from 2020), with the share of residents aged 65+ rising from 28.5% in 2020 to 36.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年

(实际)

163,579人

2030年

(预测)

163,670人

▼ -1.8%

2040年

(预测)

157,759人

▼ -5.4%

2050年

(预测)

150,823人

▼ -9.5%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 28.5%→2050年 36.5%

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岁

Kanagawa (神奈川県)的其他市区町村

数据来源

  • 日本政府统计综合窗口(e-Stat)(https://www.e-stat.go.jp/)
  • 国立社会保障・人口问题研究所「日本地区别未来推计人口(令和5年推计)」

※本服务使用e-Stat的API功能,但服务内容不受日本政府保证。

Isogo 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
1980156,586▼ -6.1%Census
1985162,484▼ -2.5%Census
1990168,846▲ +1.3%Census
1995168,568▲ +1.1%Census
2000165,015▼ -1.0%Census
2005163,525▼ -1.9%Census
2010163,237▼ -2.1%Census
2015166,229▼ -0.3%Census
2020166,731—Census
2025163,579▼ -1.9%Census
2030163,670▼ -1.8%Projection
2035160,916▼ -3.5%Projection
2040157,759▼ -5.4%Projection
2045154,374▼ -7.4%Projection
2050150,823▼ -9.5%Projection

About Isogo

Overview

Isogo (横浜市磯子区) is a municipality in Kanagawa, Japan, with a population of 163,579 as of 2025.

Population Projection of Isogo

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Isogo's population is expected to reach 163,670 by 2030 (-1.8%), 157,759 by 2040 (-5.4%), and 150,823 by 2050 (-9.5%). A modest population change is expected.

Aging Rate of Isogo

The aging rate (percentage of residents aged 65 and over) is 28.5% as of 2020 and is projected to rise to 36.5% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1627 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1515 out of 1903 nationwide.
  • Population size: Ranked #233 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Kanagawa

Kanagawa (神奈川県)的收入水平: Kanagawa (神奈川県)的平均年收入(按年龄、性别、企业规模)jpsalary / 厚生劳动省 工资结构基本统计调查

Frequently Asked Questions

Q.What is the current population of Isogo, Kanagawa?
A.According to the 2025 national census, Isogo has a population of 163,579.
Q.What is the population of Isogo in 2026?
A.Isogo's population in 2026 is estimated at approximately 163,597. This is an interpolated reference value between the 2025 census (163,579) and the IPSS projection for 2030 (163,670).
Q.What is the projected population of Isogo in the future?
A.According to IPSS projections, Isogo's population is expected to be 163,670 in 2030, 157,759 in 2040, and 150,823 in 2050.
Q.What is the population decline rate of Isogo?
A.Over the 30 years from 2020 to 2050, Isogo's population is projected to change by -9.5%. The 10-year change is -1.8% and the 20-year change is -5.4%.
Q.Why is the population of Isogo 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 Isogo, the share of residents aged 65+ is projected to rise from 28.5% to 36.5% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Isogo?
A.Isogo's aging rate (percentage aged 65 and over) is 28.5% as of 2020, projected to rise to 36.5% 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 national census results through 2025. Future projections use the IPSS 2023 edition, which is based on the 2020 census.

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