Japan Population Decline Simulator

Saga佐賀県

Tosu 鳥栖市

Data last updated:

2020

(Census)

74,258

2030

(Projection)

75,395

+1.5%

2040

(Projection)

74,614

+0.5%

2050

(Projection)

72,385

-2.5%

Elderly Rate (65+): 2020 24.4%2050 33.6%

Other municipalities in Saga (佐賀県)

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 Tosu

Overview

Tosu (鳥栖市) is a municipality in Saga, Japan, with a population of 74,258 as of 2020.

Population Projection

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Tosu's population is expected to reach 75,395 by 2030 (+1.5%), 74,614 by 2040 (+0.5%), and 72,385 by 2050 (-2.5%). A modest population change is expected.

Aging Outlook

The aging rate (percentage of residents aged 65 and over) is 24.4% as of 2020 and is projected to rise to 33.6% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Tosu's demographic trajectory is similar to the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1761 out of 1916 municipalities nationwide.
  • Aging rate in 2050: Ranked #1699 out of 1916 nationwide.
  • Population size: Ranked #545 out of 1916 nationwide.
  • Related: National rankings

Frequently Asked Questions

Q.What is the current population of Tosu, Saga?
A.According to the 2020 national census, Tosu has a population of 74,258.
Q.What is the projected population of Tosu in the future?
A.According to IPSS projections, Tosu's population is expected to be 75,395 in 2030, 74,614 in 2040, and 72,385 in 2050.
Q.What is the population decline rate of Tosu?
A.Over the 30 years from 2020 to 2050, Tosu's population is projected to change by -2.5%. The 10-year change is +1.5% and the 20-year change is +0.5%.
Q.What is the aging rate of Tosu?
A.Tosu's aging rate (percentage aged 65 and over) is 24.4% as of 2020, projected to rise to 33.6% 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 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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