Hiroshima広島県
Saka 坂町
Data last updated:
Saka, Hiroshima, Japan has a population of 12,015 (2025 national census). IPSS projections estimate 11,725 by 2030 and 9,840 by 2050 (a decrease of about 21.8% from 2020), with the share of residents aged 65+ rising from 29.6% in 2020 to 37.3%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
12,015
2030Projection
11,725
▼ -6.8%
2040Projection
10,769
▼ -14.4%
2050Projection
9,840
▼ -21.8%
Change vs. 2020 census
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Other municipalities in Hiroshima (広島県)
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.
Saka Population Table (1980–2050)
Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 1980 | 13,350 | ▲ +6.1% | Census |
| 1985 | 13,082 | ▲ +4.0% | Census |
| 1990 | 13,083 | ▲ +4.0% | Census |
| 1995 | 12,419 | ▼ -1.3% | Census |
| 2000 | 12,276 | ▼ -2.4% | Census |
| 2005 | 12,399 | ▼ -1.5% | Census |
| 2010 | 13,262 | ▲ +5.4% | Census |
| 2015 | 12,747 | ▲ +1.3% | Census |
| 2020 | 12,582 | — | Census |
| 2025 | 12,015 | ▼ -4.5% | Census |
| 2030 | 11,725 | ▼ -6.8% | Projection |
| 2035 | 11,241 | ▼ -10.7% | Projection |
| 2040 | 10,769 | ▼ -14.4% | Projection |
| 2045 | 10,305 | ▼ -18.1% | Projection |
| 2050 | 9,840 | ▼ -21.8% | Projection |
About Saka
Overview
Saka (坂町) is a municipality in Hiroshima, Japan, with a population of 12,015 as of 2025.
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 (-6.8%), 10,769 by 2040 (-14.4%), and 9,840 by 2050 (-21.8%). 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 #1307 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1460 out of 1903 nationwide.
- Population size: Ranked #1286 out of 1917 nationwide.
- Related: National rankings / All municipalities in Hiroshima
Earnings in Hiroshima (広島県): Average salary in Hiroshima (広島県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure