Yamagata山形県
Shinjou 新庄市
Data last updated:
Shinjou, Yamagata, Japan has a population of 31,661 (2025 national census). IPSS projections estimate 28,669 by 2030 and 19,662 by 2050 (a decrease of about 42.9% from 2020), with the share of residents aged 65+ rising from 33.1% in 2020 to 49.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
31,661
2030
(Projection)
28,669
▼ -16.7%
2040
(Projection)
24,071
▼ -30.1%
2050
(Projection)
19,662
▼ -42.9%
Change vs. 2020 census
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Other municipalities in Yamagata (山形県)
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.
Shinjou 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 | 42,911 | ▲ +24.6% | Census |
| 1985 | 43,033 | ▲ +25.0% | Census |
| 1990 | 43,125 | ▲ +25.2% | Census |
| 1995 | 42,896 | ▲ +24.6% | Census |
| 2000 | 42,151 | ▲ +22.4% | Census |
| 2005 | 40,717 | ▲ +18.3% | Census |
| 2010 | 38,850 | ▲ +12.8% | Census |
| 2015 | 36,894 | ▲ +7.2% | Census |
| 2020 | 34,432 | — | Census |
| 2025 | 31,661 | ▼ -8.0% | Census |
| 2030 | 28,669 | ▼ -16.7% | Projection |
| 2035 | 26,320 | ▼ -23.6% | Projection |
| 2040 | 24,071 | ▼ -30.1% | Projection |
| 2045 | 21,870 | ▼ -36.5% | Projection |
| 2050 | 19,662 | ▼ -42.9% | Projection |
About Shinjou
Overview
Shinjou (新庄市) is a municipality in Yamagata, Japan, with a population of 31,661 as of 2025.
Population Projection of Shinjou
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Shinjou's population is expected to reach 28,669 by 2030 (-16.7%), 24,071 by 2040 (-30.1%), and 19,662 by 2050 (-42.9%). A significant population decline is projected over the next three decades.
Aging Rate of Shinjou
The aging rate (percentage of residents aged 65 and over) is 33.1% as of 2020 and is projected to rise to 49.7% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Shinjou is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #608 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #581 out of 1903 nationwide.
- Population size: Ranked #871 out of 1917 nationwide.
- Related: National rankings / All municipalities in Yamagata
Earnings in Yamagata (山形県): Average salary in Yamagata (山形県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure