Hokkaido北海道
Otaru 小樽市
Data last updated:
Otaru, Hokkaido, Japan has a population of 100,269 (2025 national census). IPSS projections estimate 91,079 by 2030 and 55,542 by 2050 (a decrease of about 50.1% from 2020), with the share of residents aged 65+ rising from 41.2% in 2020 to 53.1%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年
(实际)
100,269人
2030年
(预测)
91,079人
▼ -18.2%
2040年
(预测)
71,968人
▼ -35.3%
2050年
(预测)
55,542人
▼ -50.1%
Change vs. 2020 census
Hokkaido (北海道)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。
Otaru 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 | 180,728 | ▲ +62.4% | Census |
| 1985 | 172,486 | ▲ +55.0% | Census |
| 1990 | 163,211 | ▲ +46.6% | Census |
| 1995 | 157,022 | ▲ +41.1% | Census |
| 2000 | 150,687 | ▲ +35.4% | Census |
| 2005 | 142,161 | ▲ +27.7% | Census |
| 2010 | 131,928 | ▲ +18.5% | Census |
| 2015 | 121,924 | ▲ +9.5% | Census |
| 2020 | 111,299 | — | Census |
| 2025 | 100,269 | ▼ -9.9% | Census |
| 2030 | 91,079 | ▼ -18.2% | Projection |
| 2035 | 81,306 | ▼ -26.9% | Projection |
| 2040 | 71,968 | ▼ -35.3% | Projection |
| 2045 | 63,298 | ▼ -43.1% | Projection |
| 2050 | 55,542 | ▼ -50.1% | Projection |
About Otaru
Overview
Otaru (小樽市) is a municipality in Hokkaido, Japan, with a population of 100,269 as of 2025.
Population Projection of Otaru
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Otaru's population is expected to reach 91,079 by 2030 (-18.2%), 71,968 by 2040 (-35.3%), and 55,542 by 2050 (-50.1%). The town is projected to lose more than half its population over 30 years.
Aging Rate of Otaru
The aging rate (percentage of residents aged 65 and over) is 41.2% as of 2020 and is projected to rise to 53.1% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Otaru is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #338 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #360 out of 1903 nationwide.
- Population size: Ranked #416 out of 1917 nationwide.
- Related: National rankings / All municipalities in Hokkaido
Hokkaido (北海道)的收入水平: Hokkaido (北海道)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