Japan Population Decline Simulator

Yamanashi山梨県

Minamiarupusu 南アルプス市

Data last updated:

Minamiarupusu, Yamanashi, Japan has a population of 69,196 (2025 national census). IPSS projections estimate 66,055 by 2030 and 56,258 by 2050 (a decrease of about 19.0% from 2020), with the share of residents aged 65+ rising from 27.9% in 2020 to 40.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

69,196

2030

(Projection)

66,055

▼ -4.9%

2040

(Projection)

61,548

▼ -11.4%

2050

(Projection)

56,258

▼ -19.0%

Change vs. 2020 census

Elderly Rate (65+): 2020 27.9%→2050 40.5%

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Other municipalities in Yamanashi (山梨県)

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.

Minamiarupusu 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
198054,123▼ -22.1%Census
198558,298▼ -16.1%Census
199062,351▼ -10.2%Census
199567,504▼ -2.8%Census
200070,116▲ +0.9%Census
200572,055▲ +3.7%Census
201072,635▲ +4.6%Census
201570,828▲ +2.0%Census
202069,459—Census
202569,196▼ -0.4%Census
203066,055▼ -4.9%Projection
203563,949▼ -7.9%Projection
204061,548▼ -11.4%Projection
204558,992▼ -15.1%Projection
205056,258▼ -19.0%Projection

About Minamiarupusu

Overview

Minamiarupusu (南アルプス市) is a municipality in Yamanashi, Japan, with a population of 69,196 as of 2025.

Population Projection of Minamiarupusu

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Minamiarupusu's population is expected to reach 66,055 by 2030 (-4.9%), 61,548 by 2040 (-11.4%), and 56,258 by 2050 (-19.0%). A modest population change is expected.

Aging Rate of Minamiarupusu

The aging rate (percentage of residents aged 65 and over) is 27.9% as of 2020 and is projected to rise to 40.5% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1376 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1212 out of 1903 nationwide.
  • Population size: Ranked #556 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Yamanashi

Earnings in Yamanashi (山梨県): Average salary in Yamanashi (山梨県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Minamiarupusu, Yamanashi?
A.According to the 2025 national census, Minamiarupusu has a population of 69,196.
Q.What is the population of Minamiarupusu in 2026?
A.Minamiarupusu's population in 2026 is estimated at approximately 68,568. This is an interpolated reference value between the 2025 census (69,196) and the IPSS projection for 2030 (66,055).
Q.What is the projected population of Minamiarupusu in the future?
A.According to IPSS projections, Minamiarupusu's population is expected to be 66,055 in 2030, 61,548 in 2040, and 56,258 in 2050.
Q.What is the population decline rate of Minamiarupusu?
A.Over the 30 years from 2020 to 2050, Minamiarupusu's population is projected to change by -19.0%. The 10-year change is -4.9% and the 20-year change is -11.4%.
Q.Why is the population of Minamiarupusu 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 Minamiarupusu, the share of residents aged 65+ is projected to rise from 27.9% to 40.5% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Minamiarupusu?
A.Minamiarupusu's aging rate (percentage aged 65 and over) is 27.9% as of 2020, projected to rise to 40.5% 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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