Japan Population Decline Simulator

Mie三重県

Komono 菰野町

Data last updated:

Komono, Mie, Japan has a population of 39,257 (2025 national census). IPSS projections estimate 39,254 by 2030 and 36,237 by 2050 (a decrease of about 10.7% from 2020), with the share of residents aged 65+ rising from 26.4% in 2020 to 36.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

39,257

2030

(Projection)

39,254

▼ -3.2%

2040

(Projection)

38,059

▼ -6.2%

2050

(Projection)

36,237

▼ -10.7%

Change vs. 2020 census

Elderly Rate (65+): 2020 26.4%→2050 36.5%

Enter your age

See the population of 菰野町 when you turn 50, 60, 70 and 80.

years old

Other municipalities in Mie (三重県)

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.

Komono 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
198029,373▼ -27.6%Census
198530,775▼ -24.1%Census
199032,263▼ -20.5%Census
199535,117▼ -13.4%Census
200037,972▼ -6.4%Census
200538,986▼ -3.9%Census
201039,978▼ -1.4%Census
201540,210▼ -0.9%Census
202040,559—Census
202539,257▼ -3.2%Census
203039,254▼ -3.2%Projection
203538,731▼ -4.5%Projection
204038,059▼ -6.2%Projection
204537,232▼ -8.2%Projection
205036,237▼ -10.7%Projection

About Komono

Overview

Komono (菰野町) is a municipality in Mie, Japan, with a population of 39,257 as of 2025.

Population Projection of Komono

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Komono's population is expected to reach 39,254 by 2030 (-3.2%), 38,059 by 2040 (-6.2%), and 36,237 by 2050 (-10.7%). A modest population change is expected.

Aging Rate of Komono

The aging rate (percentage of residents aged 65 and over) is 26.4% as of 2020 and is projected to rise to 36.5% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1601 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1518 out of 1903 nationwide.
  • Population size: Ranked #785 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Mie

Earnings in Mie (三重県): Average salary in Mie (三重県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Komono, Mie?
A.According to the 2025 national census, Komono has a population of 39,257.
Q.What is the population of Komono in 2026?
A.Komono's population in 2026 is estimated at approximately 39,256. This is an interpolated reference value between the 2025 census (39,257) and the IPSS projection for 2030 (39,254).
Q.What is the projected population of Komono in the future?
A.According to IPSS projections, Komono's population is expected to be 39,254 in 2030, 38,059 in 2040, and 36,237 in 2050.
Q.What is the population decline rate of Komono?
A.Over the 30 years from 2020 to 2050, Komono's population is projected to change by -10.7%. The 10-year change is -3.2% and the 20-year change is -6.2%.
Q.Why is the population of Komono 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 Komono, the share of residents aged 65+ is projected to rise from 26.4% to 36.5% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Komono?
A.Komono's aging rate (percentage aged 65 and over) is 26.4% as of 2020, projected to rise to 36.5% 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.

Similar-Sized Municipalities in Mie

Municipalities with Similar Trends

Share this page