Japan Population Decline Simulator

Osaka大阪府

Katano 交野市

Data last updated:

Katano, Osaka, Japan has a population of 75,576 (2025 national census). IPSS projections estimate 69,255 by 2030 and 55,115 by 2050 (a decrease of about 26.5% from 2020), with the share of residents aged 65+ rising from 28.9% in 2020 to 41.1%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

75,576

2030

(Projection)

69,255

▼ -7.7%

2040

(Projection)

62,243

▼ -17.0%

2050

(Projection)

55,115

▼ -26.5%

Change vs. 2020 census

Elderly Rate (65+): 2020 28.9%→2050 41.1%

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Other municipalities in Osaka (大阪府)

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.

Katano 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
198061,425▼ -18.1%Census
198564,205▼ -14.4%Census
199065,308▼ -13.0%Census
199572,404▼ -3.5%Census
200076,919▲ +2.5%Census
200577,644▲ +3.5%Census
201077,686▲ +3.5%Census
201576,435▲ +1.9%Census
202075,033—Census
202575,576▲ +0.7%Census
203069,255▼ -7.7%Projection
203565,801▼ -12.3%Projection
204062,243▼ -17.0%Projection
204558,698▼ -21.8%Projection
205055,115▼ -26.5%Projection

About Katano

Overview

Katano (交野市) is a municipality in Osaka, Japan, with a population of 75,576 as of 2025.

Population Projection of Katano

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Katano's population is expected to reach 69,255 by 2030 (-7.7%), 62,243 by 2040 (-17.0%), and 55,115 by 2050 (-26.5%). A significant population decline is projected over the next three decades.

Aging Rate of Katano

The aging rate (percentage of residents aged 65 and over) is 28.9% as of 2020 and is projected to rise to 41.1% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

Katano's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1158 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1160 out of 1903 nationwide.
  • Population size: Ranked #514 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Osaka

Earnings in Osaka (大阪府): Average salary in Osaka (大阪府) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Katano, Osaka?
A.According to the 2025 national census, Katano has a population of 75,576.
Q.What is the population of Katano in 2026?
A.Katano's population in 2026 is estimated at approximately 74,312. This is an interpolated reference value between the 2025 census (75,576) and the IPSS projection for 2030 (69,255).
Q.What is the projected population of Katano in the future?
A.According to IPSS projections, Katano's population is expected to be 69,255 in 2030, 62,243 in 2040, and 55,115 in 2050.
Q.What is the population decline rate of Katano?
A.Over the 30 years from 2020 to 2050, Katano's population is projected to change by -26.5%. The 10-year change is -7.7% and the 20-year change is -17.0%.
Q.Why is the population of Katano 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 Katano, the share of residents aged 65+ is projected to rise from 28.9% to 41.1% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Katano?
A.Katano's aging rate (percentage aged 65 and over) is 28.9% as of 2020, projected to rise to 41.1% 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 national census results through 2025. Future projections use the IPSS 2023 edition, which is based on the 2020 census.

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