Yamanashi山梨県
Shouwa 昭和町
Data last updated:
Shouwa, Yamanashi, Japan has a population of 21,786 (2025 national census). IPSS projections estimate 22,046 by 2030 and 22,047 by 2050 (an increase of about 5.4% from 2020), with the share of residents aged 65+ rising from 19.5% in 2020 to 31.6%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
21,786
2030
(Projection)
22,046
▲ +5.4%
2040
(Projection)
22,435
▲ +7.3%
2050
(Projection)
22,047
▲ +5.4%
Change vs. 2020 census
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Other municipalities in Yamanashi (山梨県)
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.
Shouwa 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 | 8,751 | ▼ -58.1% | Census |
| 1985 | 10,700 | ▼ -48.8% | Census |
| 1990 | 12,548 | ▼ -40.0% | Census |
| 1995 | 14,590 | ▼ -30.2% | Census |
| 2000 | 15,937 | ▼ -23.8% | Census |
| 2005 | 16,764 | ▼ -19.8% | Census |
| 2010 | 17,653 | ▼ -15.6% | Census |
| 2015 | 19,505 | ▼ -6.7% | Census |
| 2020 | 20,909 | — | Census |
| 2025 | 21,786 | ▲ +4.2% | Census |
| 2030 | 22,046 | ▲ +5.4% | Projection |
| 2035 | 22,329 | ▲ +6.8% | Projection |
| 2040 | 22,435 | ▲ +7.3% | Projection |
| 2045 | 22,320 | ▲ +6.7% | Projection |
| 2050 | 22,047 | ▲ +5.4% | Projection |
About Shouwa
Overview
Shouwa (昭和町) is a municipality in Yamanashi, Japan, with a population of 21,786 as of 2025.
Population Projection of Shouwa
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Shouwa's population is expected to reach 22,046 by 2030 (+5.4%), 22,435 by 2040 (+7.3%), and 22,047 by 2050 (+5.4%). Shouwa is among the rare Japanese municipalities projected to see population growth.
Aging Rate of Shouwa
The aging rate (percentage of residents aged 65 and over) is 19.5% as of 2020 and is projected to rise to 31.6% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Shouwa's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1861 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1785 out of 1903 nationwide.
- Population size: Ranked #1040 out of 1917 nationwide.
- Related: National rankings / All municipalities in Yamanashi
Earnings in Yamanashi (山梨県): Average salary in Yamanashi (山梨県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure