일본 인구 감소 시뮬레이터

Aomori青森県

Shichinohe 七戸町

Data last updated:

Shichinohe, Aomori, Japan has a population of 13,098 (2025 national census). IPSS projections estimate 11,931 by 2030 and 7,212 by 2050 (a decrease of about 50.5% from 2020), with the share of residents aged 65+ rising from 40.8% in 2020 to 56.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025년

(실적)

13,098명

2030년

(추계)

11,931명

▼ -18.0%

2040년

(추계)

9,449명

▼ -35.1%

2050년

(추계)

7,212명

▼ -50.5%

Change vs. 2020 census

고령화율(65세 이상): 2020년 40.8%→2050년 56.2%

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Aomori (青森県)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)」

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Shichinohe 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
198022,707▲ +56.0%Census
198522,342▲ +53.5%Census
199021,237▲ +45.9%Census
199520,209▲ +38.8%Census
200019,357▲ +33.0%Census
200518,471▲ +26.9%Census
201016,759▲ +15.1%Census
201515,709▲ +7.9%Census
202014,556—Census
202513,098▼ -10.0%Census
203011,931▼ -18.0%Projection
203510,678▼ -26.6%Projection
20409,449▼ -35.1%Projection
20458,289▼ -43.1%Projection
20507,212▼ -50.5%Projection

About Shichinohe

Overview

Shichinohe (七戸町) is a municipality in Aomori, Japan, with a population of 13,098 as of 2025.

Population Projection of Shichinohe

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Shichinohe's population is expected to reach 11,931 by 2030 (-18.0%), 9,449 by 2040 (-35.1%), and 7,212 by 2050 (-50.5%). The town is projected to lose more than half its population over 30 years.

Aging Rate of Shichinohe

The aging rate (percentage of residents aged 65 and over) is 40.8% as of 2020 and is projected to rise to 56.2% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #327 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #229 out of 1903 nationwide.
  • Population size: Ranked #1244 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Aomori

Aomori (青森県)의 소득 수준: Aomori (青森県)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사

Frequently Asked Questions

Q.What is the current population of Shichinohe, Aomori?
A.According to the 2025 national census, Shichinohe has a population of 13,098.
Q.What is the population of Shichinohe in 2026?
A.Shichinohe's population in 2026 is estimated at approximately 12,865. This is an interpolated reference value between the 2025 census (13,098) and the IPSS projection for 2030 (11,931).
Q.What is the projected population of Shichinohe in the future?
A.According to IPSS projections, Shichinohe's population is expected to be 11,931 in 2030, 9,449 in 2040, and 7,212 in 2050.
Q.What is the population decline rate of Shichinohe?
A.Over the 30 years from 2020 to 2050, Shichinohe's population is projected to change by -50.5%. The 10-year change is -18.0% and the 20-year change is -35.1%.
Q.Why is the population of Shichinohe 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 Shichinohe, the share of residents aged 65+ is projected to rise from 40.8% to 56.2% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Shichinohe?
A.Shichinohe's aging rate (percentage aged 65 and over) is 40.8% as of 2020, projected to rise to 56.2% 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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