日本人口减少模拟器

Osaka大阪府

Naka 堺市中区

Data last updated:

Naka, Osaka, Japan has a population of 115,871 (2025 national census). IPSS projections estimate 111,619 by 2030 and 95,044 by 2050 (a decrease of about 21.6% from 2020), with the share of residents aged 65+ rising from 28.0% in 2020 to 38.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年

(实际)

115,871人

2030年

(预测)

111,619人

▼ -7.9%

2040年

(预测)

103,531人

▼ -14.6%

2050年

(预测)

95,044人

▼ -21.6%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 28%→2050年 38.7%

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岁

Osaka (大阪府)的其他市区町村

数据来源

  • 日本政府统计综合窗口(e-Stat)(https://www.e-stat.go.jp/)
  • 国立社会保障・人口问题研究所「日本地区别未来推计人口(令和5年推计)」

※本服务使用e-Stat的API功能,但服务内容不受日本政府保证。

Naka Population Table (2010–2050)

Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.

YearPopulationvs 2020Type
2010123,532▲ +1.9%Census
2015124,543▲ +2.7%Census
2020121,236—Census
2025115,871▼ -4.4%Census
2030111,619▼ -7.9%Projection
2035107,750▼ -11.1%Projection
2040103,531▼ -14.6%Projection
204599,257▼ -18.1%Projection
205095,044▼ -21.6%Projection

About Naka

Overview

Naka (堺市中区) is a municipality in Osaka, Japan, with a population of 115,871 as of 2025.

Population Projection of Naka

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Naka's population is expected to reach 111,619 by 2030 (-7.9%), 103,531 by 2040 (-14.6%), and 95,044 by 2050 (-21.6%). A significant population decline is projected over the next three decades.

Aging Rate of Naka

The aging rate (percentage of residents aged 65 and over) is 28.0% as of 2020 and is projected to rise to 38.7% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Naka's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1311 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1360 out of 1903 nationwide.
  • Population size: Ranked #347 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Osaka

Osaka (大阪府)的收入水平: Osaka (大阪府)的平均年收入(按年龄、性别、企业规模)jpsalary / 厚生劳动省 工资结构基本统计调查

Frequently Asked Questions

Q.What is the current population of Naka, Osaka?
A.According to the 2025 national census, Naka has a population of 115,871.
Q.What is the population of Naka in 2026?
A.Naka's population in 2026 is estimated at approximately 115,021. This is an interpolated reference value between the 2025 census (115,871) and the IPSS projection for 2030 (111,619).
Q.What is the projected population of Naka in the future?
A.According to IPSS projections, Naka's population is expected to be 111,619 in 2030, 103,531 in 2040, and 95,044 in 2050.
Q.What is the population decline rate of Naka?
A.Over the 30 years from 2020 to 2050, Naka's population is projected to change by -21.6%. The 10-year change is -7.9% and the 20-year change is -14.6%.
Q.Why is the population of Naka 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 Naka, the share of residents aged 65+ is projected to rise from 28.0% to 38.7% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Naka?
A.Naka's aging rate (percentage aged 65 and over) is 28.0% as of 2020, projected to rise to 38.7% 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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