Japan Population Decline Simulator

Nagano長野県

Shinano 信濃町

Data last updated:

Shinano, Nagano, Japan has a population of 6,882 (2025 national census). IPSS projections estimate 6,330 by 2030 and 3,810 by 2050 (a decrease of about 50.8% from 2020), with the share of residents aged 65+ rising from 44.1% in 2020 to 57.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

6,882

2030

(Projection)

6,330

▼ -18.2%

2040

(Projection)

5,007

▼ -35.3%

2050

(Projection)

3,810

▼ -50.8%

Change vs. 2020 census

Elderly Rate (65+): 2020 44.1%→2050 57.8%

Enter your age

See the population of 信濃町 when you turn 50, 60, 70 and 80.

years old

Other municipalities in Nagano (長野県)

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.

Shinano 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
198011,857▲ +53.2%Census
198511,909▲ +53.9%Census
199011,552▲ +49.3%Census
199511,355▲ +46.7%Census
200010,391▲ +34.3%Census
20059,927▲ +28.3%Census
20109,238▲ +19.4%Census
20158,469▲ +9.4%Census
20207,739—Census
20256,882▼ -11.1%Census
20306,330▼ -18.2%Projection
20355,659▼ -26.9%Projection
20405,007▼ -35.3%Projection
20454,382▼ -43.4%Projection
20503,810▼ -50.8%Projection

About Shinano

Overview

Shinano (信濃町) is a municipality in Nagano, Japan, with a population of 6,882 as of 2025.

Population Projection of Shinano

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Shinano's population is expected to reach 6,330 by 2030 (-18.2%), 5,007 by 2040 (-35.3%), and 3,810 by 2050 (-50.8%). The town is projected to lose more than half its population over 30 years.

Aging Rate of Shinano

The aging rate (percentage of residents aged 65 and over) is 44.1% as of 2020 and is projected to rise to 57.8% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #310 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #177 out of 1903 nationwide.
  • Population size: Ranked #1479 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Nagano

Earnings in Nagano (長野県): Average salary in Nagano (長野県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Shinano, Nagano?
A.According to the 2025 national census, Shinano has a population of 6,882.
Q.What is the population of Shinano in 2026?
A.Shinano's population in 2026 is estimated at approximately 6,772. This is an interpolated reference value between the 2025 census (6,882) and the IPSS projection for 2030 (6,330).
Q.What is the projected population of Shinano in the future?
A.According to IPSS projections, Shinano's population is expected to be 6,330 in 2030, 5,007 in 2040, and 3,810 in 2050.
Q.What is the population decline rate of Shinano?
A.Over the 30 years from 2020 to 2050, Shinano's population is projected to change by -50.8%. The 10-year change is -18.2% and the 20-year change is -35.3%.
Q.Why is the population of Shinano 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 Shinano, the share of residents aged 65+ is projected to rise from 44.1% to 57.8% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Shinano?
A.Shinano's aging rate (percentage aged 65 and over) is 44.1% as of 2020, projected to rise to 57.8% 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.

Similar-Sized Municipalities in Nagano

Municipalities with Similar Trends

Share this page