Japan Population Decline Simulator

Kagoshima鹿児島県

Minamisatsuma 南さつま市

Data last updated:

Minamisatsuma, Kagoshima, Japan has a population of 30,065 (2025 national census). IPSS projections estimate 27,876 by 2030 and 19,607 by 2050 (a decrease of about 40.4% from 2020), with the share of residents aged 65+ rising from 40.2% in 2020 to 43.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

30,065

2030

(Projection)

27,876

▼ -15.2%

2040

(Projection)

23,510

▼ -28.5%

2050

(Projection)

19,607

▼ -40.4%

Change vs. 2020 census

Elderly Rate (65+): 2020 40.2%→2050 43.5%

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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.

Minamisatsuma 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
198052,604▲ +60.0%Census
198550,871▲ +54.7%Census
199048,113▲ +46.3%Census
199545,845▲ +39.4%Census
200043,979▲ +33.7%Census
200541,677▲ +26.7%Census
201038,704▲ +17.7%Census
201535,439▲ +7.8%Census
202032,887—Census
202530,065▼ -8.6%Census
203027,876▼ -15.2%Projection
203525,612▼ -22.1%Projection
204023,510▼ -28.5%Projection
204521,487▼ -34.7%Projection
205019,607▼ -40.4%Projection

About Minamisatsuma

Overview

Minamisatsuma (南さつま市) is a municipality in Kagoshima, Japan, with a population of 30,065 as of 2025.

Population Projection of Minamisatsuma

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Minamisatsuma's population is expected to reach 27,876 by 2030 (-15.2%), 23,510 by 2040 (-28.5%), and 19,607 by 2050 (-40.4%). A significant population decline is projected over the next three decades.

Aging Rate of Minamisatsuma

The aging rate (percentage of residents aged 65 and over) is 40.2% as of 2020 and is projected to rise to 43.5% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #706 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #988 out of 1903 nationwide.
  • Population size: Ranked #901 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Kagoshima

Earnings in Kagoshima (鹿児島県): Average salary in Kagoshima (鹿児島県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Minamisatsuma, Kagoshima?
A.According to the 2025 national census, Minamisatsuma has a population of 30,065.
Q.What is the population of Minamisatsuma in 2026?
A.Minamisatsuma's population in 2026 is estimated at approximately 29,627. This is an interpolated reference value between the 2025 census (30,065) and the IPSS projection for 2030 (27,876).
Q.What is the projected population of Minamisatsuma in the future?
A.According to IPSS projections, Minamisatsuma's population is expected to be 27,876 in 2030, 23,510 in 2040, and 19,607 in 2050.
Q.What is the population decline rate of Minamisatsuma?
A.Over the 30 years from 2020 to 2050, Minamisatsuma's population is projected to change by -40.4%. The 10-year change is -15.2% and the 20-year change is -28.5%.
Q.Why is the population of Minamisatsuma 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 Minamisatsuma, the share of residents aged 65+ is projected to rise from 40.2% to 43.5% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Minamisatsuma?
A.Minamisatsuma's aging rate (percentage aged 65 and over) is 40.2% as of 2020, projected to rise to 43.5% 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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