Iwate岩手県
Shiwa 紫波町
Data last updated:
2020
(Census)
32,166
2030
(Projection)
30,080
▼ -6.5%
2040
(Projection)
26,887
▼ -16.4%
2050
(Projection)
23,581
▼ -26.7%
Other municipalities in Iwate (岩手県)
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.
About Shiwa
Overview
Shiwa (紫波町) is a municipality in Iwate, Japan, with a population of 32,166 as of 2020.
Population Projection
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Shiwa's population is expected to reach 30,080 by 2030 (-6.5%), 26,887 by 2040 (-16.4%), and 23,581 by 2050 (-26.7%). A significant population decline is projected over the next three decades.
Aging Outlook
The aging rate (percentage of residents aged 65 and over) is 31.4% as of 2020 and is projected to rise to 44.1% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Shiwa's population decline rate exceeds the national average.