일본 인구 감소 시뮬레이터

Nagano長野県

Nagano 長野市

Data last updated:

Nagano, Nagano, Japan has a population of 357,077 (2025 national census). IPSS projections estimate 352,346 by 2030 and 304,037 by 2050 (a decrease of about 18.4% from 2020), with the share of residents aged 65+ rising from 30.1% in 2020 to 40.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025년

(실적)

357,077명

2030년

(추계)

352,346명

▼ -5.5%

2040년

(추계)

329,524명

▼ -11.6%

2050년

(추계)

304,037명

▼ -18.4%

Change vs. 2020 census

고령화율(65세 이상): 2020년 30.1%→2050년 40.8%

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Nagano (長野県)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.

Nagano 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
1980358,173▼ -3.9%Census
1985369,023▼ -1.0%Census
1990377,261▲ +1.2%Census
1995387,359▲ +3.9%Census
2000387,911▲ +4.1%Census
2005386,572▲ +3.7%Census
2010381,511▲ +2.3%Census
2015377,598▲ +1.3%Census
2020372,760—Census
2025357,077▼ -4.2%Census
2030352,346▼ -5.5%Projection
2035341,304▼ -8.4%Projection
2040329,524▼ -11.6%Projection
2045317,061▼ -14.9%Projection
2050304,037▼ -18.4%Projection

About Nagano

Overview

Nagano (長野市) is a municipality in Nagano, Japan, with a population of 357,077 as of 2025.

Population Projection of Nagano

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Nagano's population is expected to reach 352,346 by 2030 (-5.5%), 329,524 by 2040 (-11.6%), and 304,037 by 2050 (-18.4%). A modest population change is expected.

Aging Rate of Nagano

The aging rate (percentage of residents aged 65 and over) is 30.1% as of 2020 and is projected to rise to 40.8% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1390 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1191 out of 1903 nationwide.
  • Population size: Ranked #68 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Nagano

Nagano (長野県)의 소득 수준: Nagano (長野県)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사

Frequently Asked Questions

Q.What is the current population of Nagano, Nagano?
A.According to the 2025 national census, Nagano has a population of 357,077.
Q.What is the population of Nagano in 2026?
A.Nagano's population in 2026 is estimated at approximately 356,131. This is an interpolated reference value between the 2025 census (357,077) and the IPSS projection for 2030 (352,346).
Q.What is the projected population of Nagano in the future?
A.According to IPSS projections, Nagano's population is expected to be 352,346 in 2030, 329,524 in 2040, and 304,037 in 2050.
Q.What is the population decline rate of Nagano?
A.Over the 30 years from 2020 to 2050, Nagano's population is projected to change by -18.4%. The 10-year change is -5.5% and the 20-year change is -11.6%.
Q.Why is the population of Nagano 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 Nagano, the share of residents aged 65+ is projected to rise from 30.1% to 40.8% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Nagano?
A.Nagano's aging rate (percentage aged 65 and over) is 30.1% as of 2020, projected to rise to 40.8% 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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