Japan Population Decline Simulator

Shizuoka静岡県

Tenryu-ku, Hamamatsu 浜松市天竜区

Data last updated:

Tenryu-ku, Hamamatsu, Shizuoka, Japan has a population of 26,726 (2020 national census). IPSS projections estimate 20,828 by 2030 and 11,535 by 2050 (a decrease of about 56.8% from 2020), with the share of residents aged 65+ rising from 45.9% in 2020 to 58.3%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020

(Census)

26,726

2030

(Projection)

20,828

▼ -22.1%

2040

(Projection)

15,790

▼ -40.9%

2050

(Projection)

11,535

▼ -56.8%

Elderly Rate (65+): 2020 45.9%→2050 58.3%

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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.

Tenryu-ku, Hamamatsu Population Table (2020–2050)

Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.

YearPopulationvs 2020Type
202026,726—Census
202523,663▼ -11.5%Projection
203020,828▼ -22.1%Projection
203518,208▼ -31.9%Projection
204015,790▼ -40.9%Projection
204513,563▼ -49.3%Projection
205011,535▼ -56.8%Projection

About Tenryu-ku, Hamamatsu

Overview

Tenryu-ku, Hamamatsu (浜松市天竜区) is a municipality in Shizuoka, Japan, with a population of 26,726 as of 2020.

Population Projection of Tenryu-ku, Hamamatsu

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Tenryu-ku, Hamamatsu's population is expected to reach 20,828 by 2030 (-22.1%), 15,790 by 2040 (-40.9%), and 11,535 by 2050 (-56.8%). The town is projected to lose more than half its population over 30 years.

Aging Rate of Tenryu-ku, Hamamatsu

The aging rate (percentage of residents aged 65 and over) is 45.9% as of 2020 and is projected to rise to 58.3% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

Tenryu-ku, Hamamatsu is experiencing one of the faster rates of population decline in Japan.

National and Prefectural Rank

  • Population decline rate: Ranked #125 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #162 out of 1903 nationwide.
  • Population size: Ranked #959 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Shizuoka

Earnings in Shizuoka (静岡県): Average salary in Shizuoka (静岡県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Tenryu-ku, Hamamatsu, Shizuoka?
A.According to the 2020 national census, Tenryu-ku, Hamamatsu has a population of 26,726.
Q.What is the population of Tenryu-ku, Hamamatsu in 2026?
A.Tenryu-ku, Hamamatsu's population in 2026 is estimated at approximately 23,096. This is an interpolated reference value between the 2020 census (26,726) and the IPSS projection for 2030 (20,828).
Q.What is the projected population of Tenryu-ku, Hamamatsu in the future?
A.According to IPSS projections, Tenryu-ku, Hamamatsu's population is expected to be 20,828 in 2030, 15,790 in 2040, and 11,535 in 2050.
Q.What is the population decline rate of Tenryu-ku, Hamamatsu?
A.Over the 30 years from 2020 to 2050, Tenryu-ku, Hamamatsu's population is projected to change by -56.8%. The 10-year change is -22.1% and the 20-year change is -40.9%.
Q.Why is the population of Tenryu-ku, Hamamatsu 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 Tenryu-ku, Hamamatsu, the share of residents aged 65+ is projected to rise from 45.9% to 58.3% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Tenryu-ku, Hamamatsu?
A.Tenryu-ku, Hamamatsu's aging rate (percentage aged 65 and over) is 45.9% as of 2020, projected to rise to 58.3% 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 2020. Future projections use the IPSS 2023 edition, which is based on the 2020 census.

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