일본 인구 감소 시뮬레이터

Yamanashi山梨県

Yamanakako 山中湖村

Data last updated:

Yamanakako, Yamanashi, Japan has a population of 5,214 (2025 national census). IPSS projections estimate 4,878 by 2030 and 4,051 by 2050 (a decrease of about 21.8% from 2020), with the share of residents aged 65+ rising from 33.7% in 2020 to 46.3%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025년

(실적)

5,214명

2030년

(추계)

4,878명

▼ -5.8%

2040년

(추계)

4,477명

▼ -13.6%

2050년

(추계)

4,051명

▼ -21.8%

Change vs. 2020 census

고령화율(65세 이상): 2020년 33.7%→2050년 46.3%

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Yamanashi (山梨県)의 다른 시구정촌

데이터 출처

  • 일본 정부 통계 종합 포털(e-Stat)(https://www.e-stat.go.jp/)
  • 국립사회보장・인구문제연구소 「일본의 지역별 장래추계인구(레이와 5년 추계)」

※이 서비스는 e-Stat의 API 기능을 사용하고 있으나 서비스 내용은 일본 정부에 의해 보증된 것이 아닙니다.

Yamanakako 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
19804,637▼ -10.5%Census
19854,904▼ -5.3%Census
19905,040▼ -2.7%Census
19955,296▲ +2.3%Census
20005,274▲ +1.8%Census
20055,440▲ +5.0%Census
20105,324▲ +2.8%Census
20155,208▲ +0.6%Census
20205,179—Census
20255,214▲ +0.7%Census
20304,878▼ -5.8%Projection
20354,683▼ -9.6%Projection
20404,477▼ -13.6%Projection
20454,258▼ -17.8%Projection
20504,051▼ -21.8%Projection

About Yamanakako

Overview

Yamanakako (山中湖村) is a municipality in Yamanashi, Japan, with a population of 5,214 as of 2025.

Population Projection of Yamanakako

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Yamanakako's population is expected to reach 4,878 by 2030 (-5.8%), 4,477 by 2040 (-13.6%), and 4,051 by 2050 (-21.8%). A significant population decline is projected over the next three decades.

Aging Rate of Yamanakako

The aging rate (percentage of residents aged 65 and over) is 33.7% as of 2020 and is projected to rise to 46.3% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

Yamanakako's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1305 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #802 out of 1903 nationwide.
  • Population size: Ranked #1587 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Yamanashi

Yamanashi (山梨県)의 소득 수준: Yamanashi (山梨県)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사

Frequently Asked Questions

Q.What is the current population of Yamanakako, Yamanashi?
A.According to the 2025 national census, Yamanakako has a population of 5,214.
Q.What is the population of Yamanakako in 2026?
A.Yamanakako's population in 2026 is estimated at approximately 5,147. This is an interpolated reference value between the 2025 census (5,214) and the IPSS projection for 2030 (4,878).
Q.What is the projected population of Yamanakako in the future?
A.According to IPSS projections, Yamanakako's population is expected to be 4,878 in 2030, 4,477 in 2040, and 4,051 in 2050.
Q.What is the population decline rate of Yamanakako?
A.Over the 30 years from 2020 to 2050, Yamanakako's population is projected to change by -21.8%. The 10-year change is -5.8% and the 20-year change is -13.6%.
Q.Why is the population of Yamanakako 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 Yamanakako, the share of residents aged 65+ is projected to rise from 33.7% to 46.3% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Yamanakako?
A.Yamanakako's aging rate (percentage aged 65 and over) is 33.7% as of 2020, projected to rise to 46.3% 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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