일본 인구 감소 시뮬레이터

Nagano長野県

Suzaka 須坂市

Data last updated:

Suzaka, Nagano, Japan has a population of 47,774 (2025 national census). IPSS projections estimate 45,703 by 2030 and 36,723 by 2050 (a decrease of about 25.9% from 2020), with the share of residents aged 65+ rising from 32.5% in 2020 to 42.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025년

(실적)

47,774명

2030년

(추계)

45,703명

▼ -7.8%

2040년

(추계)

41,262명

▼ -16.7%

2050년

(추계)

36,723명

▼ -25.9%

Change vs. 2020 census

고령화율(65세 이상): 2020년 32.5%→2050년 42.2%

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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.

Suzaka 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
198052,543▲ +6.0%Census
198553,611▲ +8.2%Census
199053,662▲ +8.3%Census
199553,842▲ +8.6%Census
200054,207▲ +9.4%Census
200553,668▲ +8.3%Census
201052,168▲ +5.3%Census
201550,725▲ +2.4%Census
202049,559—Census
202547,774▼ -3.6%Census
203045,703▼ -7.8%Projection
203543,518▼ -12.2%Projection
204041,262▼ -16.7%Projection
204539,019▼ -21.3%Projection
205036,723▼ -25.9%Projection

About Suzaka

Overview

Suzaka (須坂市) is a municipality in Nagano, Japan, with a population of 47,774 as of 2025.

Population Projection of Suzaka

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Suzaka's population is expected to reach 45,703 by 2030 (-7.8%), 41,262 by 2040 (-16.7%), and 36,723 by 2050 (-25.9%). A significant population decline is projected over the next three decades.

Aging Rate of Suzaka

The aging rate (percentage of residents aged 65 and over) is 32.5% as of 2020 and is projected to rise to 42.2% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

Suzaka's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1180 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1074 out of 1903 nationwide.
  • Population size: Ranked #693 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 Suzaka, Nagano?
A.According to the 2025 national census, Suzaka has a population of 47,774.
Q.What is the population of Suzaka in 2026?
A.Suzaka's population in 2026 is estimated at approximately 47,360. This is an interpolated reference value between the 2025 census (47,774) and the IPSS projection for 2030 (45,703).
Q.What is the projected population of Suzaka in the future?
A.According to IPSS projections, Suzaka's population is expected to be 45,703 in 2030, 41,262 in 2040, and 36,723 in 2050.
Q.What is the population decline rate of Suzaka?
A.Over the 30 years from 2020 to 2050, Suzaka's population is projected to change by -25.9%. The 10-year change is -7.8% and the 20-year change is -16.7%.
Q.Why is the population of Suzaka 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 Suzaka, the share of residents aged 65+ is projected to rise from 32.5% to 42.2% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Suzaka?
A.Suzaka's aging rate (percentage aged 65 and over) is 32.5% as of 2020, projected to rise to 42.2% 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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