Iwate岩手県
Ninohe 二戸市
Data last updated:
Ninohe, Iwate, Japan has a population of 22,975 (2025 national census). IPSS projections estimate 21,138 by 2030 and 13,701 by 2050 (a decrease of about 46.3% from 2020), with the share of residents aged 65+ rising from 37.3% in 2020 to 52.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年
(实际)
22,975人
2030年
(预测)
21,138人
▼ -17.1%
2040年
(预测)
17,299人
▼ -32.2%
2050年
(预测)
13,701人
▼ -46.3%
Change vs. 2020 census
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Iwate (岩手県)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。
Ninohe 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 | 37,537 | ▲ +47.1% | Census |
| 1985 | 37,285 | ▲ +46.1% | Census |
| 1990 | 35,017 | ▲ +37.3% | Census |
| 1995 | 33,755 | ▲ +32.3% | Census |
| 2000 | 33,102 | ▲ +29.7% | Census |
| 2005 | 31,477 | ▲ +23.4% | Census |
| 2010 | 29,702 | ▲ +16.4% | Census |
| 2015 | 27,611 | ▲ +8.2% | Census |
| 2020 | 25,513 | — | Census |
| 2025 | 22,975 | ▼ -9.9% | Census |
| 2030 | 21,138 | ▼ -17.1% | Projection |
| 2035 | 19,171 | ▼ -24.9% | Projection |
| 2040 | 17,299 | ▼ -32.2% | Projection |
| 2045 | 15,491 | ▼ -39.3% | Projection |
| 2050 | 13,701 | ▼ -46.3% | Projection |
About Ninohe
Overview
Ninohe (二戸市) is a municipality in Iwate, Japan, with a population of 22,975 as of 2025.
Population Projection of Ninohe
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ninohe's population is expected to reach 21,138 by 2030 (-17.1%), 17,299 by 2040 (-32.2%), and 13,701 by 2050 (-46.3%). A significant population decline is projected over the next three decades.
Aging Rate of Ninohe
The aging rate (percentage of residents aged 65 and over) is 37.3% as of 2020 and is projected to rise to 52.9% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Ninohe is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #477 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #370 out of 1903 nationwide.
- Population size: Ranked #1024 out of 1917 nationwide.
- Related: National rankings / All municipalities in Iwate
Iwate (岩手県)的收入水平: Iwate (岩手県)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