Chiba千葉県
Ichinomiya 一宮町
Data last updated:
Ichinomiya, Chiba, Japan has a population of 11,900 (2020 national census). IPSS projections estimate 11,738 by 2030 and 11,291 by 2050 (a decrease of about 5.1% from 2020), with the share of residents aged 65+ rising from 33.2% to 41.2%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2020
(Census)
11,900
2030
(Projection)
11,738
▼ -1.4%
2040
(Projection)
11,527
▼ -3.1%
2050
(Projection)
11,291
▼ -5.1%
Other municipalities in Chiba (千葉県)
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.
Ichinomiya Population Projection Table (2020–2050)
Population by year, based on the national census and IPSS (2023) projections.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 2020 | 11,900 | — | Census |
| 2025 | 11,847 | ▼ -0.4% | Projection |
| 2030 | 11,738 | ▼ -1.4% | Projection |
| 2035 | 11,628 | ▼ -2.3% | Projection |
| 2040 | 11,527 | ▼ -3.1% | Projection |
| 2045 | 11,423 | ▼ -4.0% | Projection |
| 2050 | 11,291 | ▼ -5.1% | Projection |
About Ichinomiya
Overview
Ichinomiya (一宮町) is a municipality in Chiba, Japan, with a population of 11,900 as of 2020.
Population Projection of Ichinomiya
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ichinomiya's population is expected to reach 11,738 by 2030 (-1.4%), 11,527 by 2040 (-3.1%), and 11,291 by 2050 (-5.1%). A modest population change is expected.
Aging Rate of Ichinomiya
The aging rate (percentage of residents aged 65 and over) is 33.2% as of 2020 and is projected to rise to 41.2% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Ichinomiya's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1722 out of 1916 municipalities nationwide.
- Aging rate in 2050: Ranked #1150 out of 1916 nationwide.
- Population size: Ranked #1318 out of 1916 nationwide.
- Related: National rankings / All municipalities in Chiba