Shiga滋賀県
Rittou 栗東市
Data last updated:
Rittou, Shiga, Japan has a population of 69,143 (2025 national census). IPSS projections estimate 70,241 by 2030 and 67,595 by 2050 (a decrease of about 1.8% from 2020), with the share of residents aged 65+ rising from 19.2% in 2020 to 30.3%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年实际
69,143人
2030年预测
70,241人
▲ +2.1%
2040年预测
69,751人
▲ +1.4%
2050年预测
67,595人
▼ -1.8%
Change vs. 2020 census
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Shiga (滋賀県)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。
Rittou 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 | 37,033 | ▼ -46.2% | Census |
| 1985 | 41,827 | ▼ -39.2% | Census |
| 1990 | 45,049 | ▼ -34.5% | Census |
| 1995 | 48,759 | ▼ -29.1% | Census |
| 2000 | 54,856 | ▼ -20.3% | Census |
| 2005 | 59,869 | ▼ -13.0% | Census |
| 2010 | 63,655 | ▼ -7.5% | Census |
| 2015 | 66,749 | ▼ -3.0% | Census |
| 2020 | 68,820 | — | Census |
| 2025 | 69,143 | ▲ +0.5% | Census |
| 2030 | 70,241 | ▲ +2.1% | Projection |
| 2035 | 70,195 | ▲ +2.0% | Projection |
| 2040 | 69,751 | ▲ +1.4% | Projection |
| 2045 | 68,883 | ▲ +0.1% | Projection |
| 2050 | 67,595 | ▼ -1.8% | Projection |
About Rittou
Overview
Rittou (栗東市) is a municipality in Shiga, Japan, with a population of 69,143 as of 2025.
Population Projection of Rittou
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Rittou's population is expected to reach 70,241 by 2030 (+2.1%), 69,751 by 2040 (+1.4%), and 67,595 by 2050 (-1.8%). A modest population change is expected.
Aging Rate of Rittou
The aging rate (percentage of residents aged 65 and over) is 19.2% as of 2020 and is projected to rise to 30.3% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Rittou's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1773 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1824 out of 1903 nationwide.
- Population size: Ranked #558 out of 1917 nationwide.
- Related: National rankings / All municipalities in Shiga
Shiga (滋賀県)的收入水平: Shiga (滋賀県)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