Japan Population Decline Simulator

Iwate岩手県

Toono 遠野市

Data last updated:

Toono, Iwate, Japan has a population of 25,381 (2020 national census). IPSS projections estimate 20,386 by 2030 and 13,201 by 2050 (a decrease of about 48.0% from 2020), with the share of residents aged 65+ rising from 40.5% to 53.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020

(Census)

25,381

2030

(Projection)

20,386

-19.7%

2040

(Projection)

16,559

-34.8%

2050

(Projection)

13,201

-48.0%

Elderly Rate (65+): 2020 40.5%2050 53.8%

Other municipalities in Iwate (岩手県)

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.

Toono Population Projection Table (2020–2050)

Population by year, based on the national census and IPSS (2023) projections.

YearPopulationvs 2020Type
202025,381Census
202522,577▼ -11.0%Projection
203020,386▼ -19.7%Projection
203518,383▼ -27.6%Projection
204016,559▼ -34.8%Projection
204514,837▼ -41.5%Projection
205013,201▼ -48.0%Projection

About Toono

Overview

Toono (遠野市) is a municipality in Iwate, Japan, with a population of 25,381 as of 2020.

Population Projection of Toono

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Toono's population is expected to reach 20,386 by 2030 (-19.7%), 16,559 by 2040 (-34.8%), and 13,201 by 2050 (-48.0%). A significant population decline is projected over the next three decades.

Aging Rate of Toono

The aging rate (percentage of residents aged 65 and over) is 40.5% as of 2020 and is projected to rise to 53.8% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #408 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #334 out of 1903 nationwide.
  • Population size: Ranked #1015 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Iwate

Frequently Asked Questions

Q.What is the current population of Toono, Iwate?
A.According to the 2020 national census, Toono has a population of 25,381.
Q.What is the population of Toono in 2026?
A.Toono's population in 2026 is estimated at approximately 22,139. This is an interpolated reference value between the 2020 census (25,381) and the IPSS projection for 2030 (20,386).
Q.What is the projected population of Toono in the future?
A.According to IPSS projections, Toono's population is expected to be 20,386 in 2030, 16,559 in 2040, and 13,201 in 2050.
Q.What is the population decline rate of Toono?
A.Over the 30 years from 2020 to 2050, Toono's population is projected to change by -48.0%. The 10-year change is -19.7% and the 20-year change is -34.8%.
Q.Why is the population of Toono 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 Toono, the share of residents aged 65+ is projected to rise from 40.5% to 53.8% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Toono?
A.Toono's aging rate (percentage aged 65 and over) is 40.5% as of 2020, projected to rise to 53.8% 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 the 2020 national census results. Future projections use the IPSS 2023 edition. Data will be updated as new census results become available.

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