日本人口减少模拟器

Hiroshima広島県

Saka 坂町

Data last updated:

Saka, Hiroshima, Japan has a population of 12,592 (2020 national census). IPSS projections estimate 11,725 by 2030 and 9,840 by 2050 (a decrease of about 21.9% from 2020), with the share of residents aged 65+ rising from 29.6% to 37.3%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020年

(实际)

12,592人

2030年

(预测)

11,725人

▼ -6.9%

2040年

(预测)

10,769人

▼ -14.5%

2050年

(预测)

9,840人

▼ -21.9%

老龄化率（65岁以上）: 2020年 29.6%→2050年 37.3%

Hiroshima (広島県)的其他市区町村

Hiroshima広島市Mashinaka広島市中区Mashihigashi広島市東区Mashiminami広島市南区Mashinishi広島市西区Mashiasaminami広島市安佐南区Mashiasakita広島市安佐北区Mashiaki広島市安芸区Mashisaeki広島市佐伯区Kure呉市Takehara竹原市Mihara三原市Onomichi尾道市Fukuyama福山市Fuchuu府中市Miyoshi三次市Shoubara庄原市Ootake大竹市Higashihiroshima東広島市Hatsukaichi廿日市市
查看Hiroshima (広島県)的所有市区町村 →

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。

Saka Population Projection Table (2020–2050)

Population by year, based on the national census and IPSS (2023) projections.

YearPopulationvs 2020Type
202012,592—Census
202512,197▼ -3.1%Projection
203011,725▼ -6.9%Projection
203511,241▼ -10.7%Projection
204010,769▼ -14.5%Projection
204510,305▼ -18.2%Projection
20509,840▼ -21.9%Projection

About Saka

Overview

Saka (坂町) is a municipality in Hiroshima, Japan, with a population of 12,592 as of 2020.

Population Projection of Saka

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Saka's population is expected to reach 11,725 by 2030 (-6.9%), 10,769 by 2040 (-14.5%), and 9,840 by 2050 (-21.9%). A significant population decline is projected over the next three decades.

Aging Rate of Saka

The aging rate (percentage of residents aged 65 and over) is 29.6% as of 2020 and is projected to rise to 37.3% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Saka's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1304 out of 1916 municipalities nationwide.
  • Aging rate in 2050: Ranked #1460 out of 1916 nationwide.
  • Population size: Ranked #1297 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Hiroshima

Frequently Asked Questions

Q.What is the current population of Saka, Hiroshima?
A.According to the 2020 national census, Saka has a population of 12,592.
Q.What is the population of Saka in 2026?
A.Saka's population in 2026 is estimated at approximately 12,103. This is an interpolated reference value between the 2020 census (12,592) and the IPSS projection for 2030 (11,725).
Q.What is the projected population of Saka in the future?
A.According to IPSS projections, Saka's population is expected to be 11,725 in 2030, 10,769 in 2040, and 9,840 in 2050.
Q.What is the population decline rate of Saka?
A.Over the 30 years from 2020 to 2050, Saka's population is projected to change by -21.9%. The 10-year change is -6.9% and the 20-year change is -14.5%.
Q.Why is the population of Saka 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 Saka, the share of residents aged 65+ is projected to rise from 29.6% to 37.3% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Saka?
A.Saka's aging rate (percentage aged 65 and over) is 29.6% as of 2020, projected to rise to 37.3% 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 the 2020 national census results. Future projections use the IPSS 2023 edition. Data will be updated as new census results become available.

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