Japan Population Decline Simulator

Kagoshima鹿児島県

Tarumizu 垂水市

Data last updated:

Tarumizu, Kagoshima, Japan has a population of 13,817 (2020 national census). IPSS projections estimate 11,125 by 2030 and 6,629 by 2050 (a decrease of about 52.0% from 2020), with the share of residents aged 65+ rising from 43.1% to 54.1%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020

(Census)

13,817

2030

(Projection)

11,125

-19.5%

2040

(Projection)

8,774

-36.5%

2050

(Projection)

6,629

-52.0%

Elderly Rate (65+): 2020 43.1%2050 54.1%

Other municipalities in Kagoshima (鹿児島県)

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.

About Tarumizu

Overview

Tarumizu (垂水市) is a municipality in Kagoshima, Japan, with a population of 13,817 as of 2020.

Population Projection

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Tarumizu's population is expected to reach 11,125 by 2030 (-19.5%), 8,774 by 2040 (-36.5%), and 6,629 by 2050 (-52.0%). The town is projected to lose more than half its population over 30 years.

Aging Outlook

The aging rate (percentage of residents aged 65 and over) is 43.1% as of 2020 and is projected to rise to 54.1% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #268 out of 1916 municipalities nationwide.
  • Aging rate in 2050: Ranked #322 out of 1916 nationwide.
  • Population size: Ranked #1265 out of 1916 nationwide.
  • Related: National rankings

Frequently Asked Questions

Q.What is the current population of Tarumizu, Kagoshima?
A.According to the 2020 national census, Tarumizu has a population of 13,817.
Q.What is the projected population of Tarumizu in the future?
A.According to IPSS projections, Tarumizu's population is expected to be 11,125 in 2030, 8,774 in 2040, and 6,629 in 2050.
Q.What is the population decline rate of Tarumizu?
A.Over the 30 years from 2020 to 2050, Tarumizu's population is projected to change by -52.0%. The 10-year change is -19.5% and the 20-year change is -36.5%.
Q.Why is the population of Tarumizu 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 Tarumizu, the share of residents aged 65+ is projected to rise from 43.1% to 54.1% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Tarumizu?
A.Tarumizu's aging rate (percentage aged 65 and over) is 43.1% as of 2020, projected to rise to 54.1% 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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