Japan Population Decline Simulator

Iwate岩手県

Shizukuishi 雫石町

Data last updated:

Shizukuishi, Iwate, Japan has a population of 14,286 (2025 national census). IPSS projections estimate 12,929 by 2030 and 8,112 by 2050 (a decrease of about 48.4% from 2020), with the share of residents aged 65+ rising from 38.6% in 2020 to 55.6%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

14,286

2030

(Projection)

12,929

▼ -17.8%

2040

(Projection)

10,429

▼ -33.7%

2050

(Projection)

8,112

▼ -48.4%

Change vs. 2020 census

Elderly Rate (65+): 2020 38.6%→2050 55.6%

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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.

Shizukuishi 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
198018,696▲ +18.8%Census
198519,127▲ +21.6%Census
199019,013▲ +20.9%Census
199519,373▲ +23.2%Census
200019,750▲ +25.5%Census
200519,055▲ +21.1%Census
201018,033▲ +14.6%Census
201516,981▲ +7.9%Census
202015,731—Census
202514,286▼ -9.2%Census
203012,929▼ -17.8%Projection
203511,668▼ -25.8%Projection
204010,429▼ -33.7%Projection
20459,229▼ -41.3%Projection
20508,112▼ -48.4%Projection

About Shizukuishi

Overview

Shizukuishi (雫石町) is a municipality in Iwate, Japan, with a population of 14,286 as of 2025.

Population Projection of Shizukuishi

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Shizukuishi's population is expected to reach 12,929 by 2030 (-17.8%), 10,429 by 2040 (-33.7%), and 8,112 by 2050 (-48.4%). A significant population decline is projected over the next three decades.

Aging Rate of Shizukuishi

The aging rate (percentage of residents aged 65 and over) is 38.6% as of 2020 and is projected to rise to 55.6% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #396 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #253 out of 1903 nationwide.
  • Population size: Ranked #1204 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Iwate

Earnings in Iwate (岩手県): Average salary in Iwate (岩手県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Shizukuishi, Iwate?
A.According to the 2025 national census, Shizukuishi has a population of 14,286.
Q.What is the population of Shizukuishi in 2026?
A.Shizukuishi's population in 2026 is estimated at approximately 14,015. This is an interpolated reference value between the 2025 census (14,286) and the IPSS projection for 2030 (12,929).
Q.What is the projected population of Shizukuishi in the future?
A.According to IPSS projections, Shizukuishi's population is expected to be 12,929 in 2030, 10,429 in 2040, and 8,112 in 2050.
Q.What is the population decline rate of Shizukuishi?
A.Over the 30 years from 2020 to 2050, Shizukuishi's population is projected to change by -48.4%. The 10-year change is -17.8% and the 20-year change is -33.7%.
Q.Why is the population of Shizukuishi 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 Shizukuishi, the share of residents aged 65+ is projected to rise from 38.6% to 55.6% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Shizukuishi?
A.Shizukuishi's aging rate (percentage aged 65 and over) is 38.6% as of 2020, projected to rise to 55.6% 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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