Japan Population Decline Simulator

Osaka大阪府

Takatsuki 高槻市

Data last updated:

Takatsuki, Osaka, Japan has a population of 344,998 (2025 national census). IPSS projections estimate 338,827 by 2030 and 300,685 by 2050 (a decrease of about 14.7% from 2020), with the share of residents aged 65+ rising from 29.6% in 2020 to 36.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

344,998

2030

(Projection)

338,827

▼ -3.9%

2040

(Projection)

319,294

▼ -9.5%

2050

(Projection)

300,685

▼ -14.7%

Change vs. 2020 census

Elderly Rate (65+): 2020 29.6%→2050 36.9%

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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.

Takatsuki 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
1980340,720▼ -3.4%Census
1985348,784▼ -1.1%Census
1990359,867▲ +2.0%Census
1995362,270▲ +2.7%Census
2000357,438▲ +1.3%Census
2005351,826▼ -0.2%Census
2010357,359▲ +1.3%Census
2015351,829▼ -0.2%Census
2020352,698—Census
2025344,998▼ -2.2%Census
2030338,827▼ -3.9%Projection
2035329,282▼ -6.6%Projection
2040319,294▼ -9.5%Projection
2045309,672▼ -12.2%Projection
2050300,685▼ -14.7%Projection

About Takatsuki

Overview

Takatsuki (高槻市) is a municipality in Osaka, Japan, with a population of 344,998 as of 2025.

Population Projection of Takatsuki

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Takatsuki's population is expected to reach 338,827 by 2030 (-3.9%), 319,294 by 2040 (-9.5%), and 300,685 by 2050 (-14.7%). A modest population change is expected.

Aging Rate of Takatsuki

The aging rate (percentage of residents aged 65 and over) is 29.6% as of 2020 and is projected to rise to 36.9% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1490 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1487 out of 1903 nationwide.
  • Population size: Ranked #71 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 Takatsuki, Osaka?
A.According to the 2025 national census, Takatsuki has a population of 344,998.
Q.What is the population of Takatsuki in 2026?
A.Takatsuki's population in 2026 is estimated at approximately 343,764. This is an interpolated reference value between the 2025 census (344,998) and the IPSS projection for 2030 (338,827).
Q.What is the projected population of Takatsuki in the future?
A.According to IPSS projections, Takatsuki's population is expected to be 338,827 in 2030, 319,294 in 2040, and 300,685 in 2050.
Q.What is the population decline rate of Takatsuki?
A.Over the 30 years from 2020 to 2050, Takatsuki's population is projected to change by -14.7%. The 10-year change is -3.9% and the 20-year change is -9.5%.
Q.Why is the population of Takatsuki 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 Takatsuki, the share of residents aged 65+ is projected to rise from 29.6% to 36.9% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Takatsuki?
A.Takatsuki's aging rate (percentage aged 65 and over) is 29.6% as of 2020, projected to rise to 36.9% 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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