Saga佐賀県
Saga 佐賀市
Data last updated:
Saga, Saga, Japan has a population of 227,580 (2025 national census). IPSS projections estimate 222,225 by 2030 and 194,311 by 2050 (a decrease of about 16.7% from 2020), with the share of residents aged 65+ rising from 28.5% in 2020 to 37.4%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年实际
227,580人
2030年预测
222,225人
▼ -4.7%
2040年预测
208,991人
▼ -10.4%
2050年预测
194,311人
▼ -16.7%
Change vs. 2020 census
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Saga (佐賀県)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。
Saga 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 | 236,029 | ▲ +1.2% | Census |
| 1985 | 242,072 | ▲ +3.8% | Census |
| 1990 | 243,726 | ▲ +4.5% | Census |
| 1995 | 246,674 | ▲ +5.7% | Census |
| 2000 | 243,076 | ▲ +4.2% | Census |
| 2005 | 241,361 | ▲ +3.5% | Census |
| 2010 | 237,506 | ▲ +1.8% | Census |
| 2015 | 236,372 | ▲ +1.3% | Census |
| 2020 | 233,301 | — | Census |
| 2025 | 227,580 | ▼ -2.5% | Census |
| 2030 | 222,225 | ▼ -4.7% | Projection |
| 2035 | 215,778 | ▼ -7.5% | Projection |
| 2040 | 208,991 | ▼ -10.4% | Projection |
| 2045 | 201,748 | ▼ -13.5% | Projection |
| 2050 | 194,311 | ▼ -16.7% | Projection |
About Saga
Overview
Saga (佐賀市) is a municipality in Saga, Japan, with a population of 227,580 as of 2025.
Population Projection of Saga
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Saga's population is expected to reach 222,225 by 2030 (-4.7%), 208,991 by 2040 (-10.4%), and 194,311 by 2050 (-16.7%). A modest population change is expected.
Aging Rate of Saga
The aging rate (percentage of residents aged 65 and over) is 28.5% as of 2020 and is projected to rise to 37.4% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Saga's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1443 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1448 out of 1903 nationwide.
- Population size: Ranked #148 out of 1917 nationwide.
- Related: National rankings / All municipalities in Saga
Saga (佐賀県)的收入水平: Saga (佐賀県)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