Saitama埼玉県
Kasukabe 春日部市
Data last updated:
Kasukabe, Saitama, Japan has a population of 223,939 (2025 national census). IPSS projections estimate 213,991 by 2030 and 171,185 by 2050 (a decrease of about 25.5% from 2020), with the share of residents aged 65+ rising from 32.5% in 2020 to 44.6%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
223,939
2030
(Projection)
213,991
▼ -6.9%
2040
(Projection)
191,778
▼ -16.5%
2050
(Projection)
171,185
▼ -25.5%
Change vs. 2020 census
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Other municipalities in Saitama (埼玉県)
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.
Kasukabe 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 | 187,913 | ▼ -18.2% | Census |
| 1985 | 207,021 | ▼ -9.9% | Census |
| 1990 | 226,449 | ▼ -1.5% | Census |
| 1995 | 238,598 | ▲ +3.8% | Census |
| 2000 | 240,924 | ▲ +4.8% | Census |
| 2005 | 238,506 | ▲ +3.8% | Census |
| 2010 | 237,171 | ▲ +3.2% | Census |
| 2015 | 232,709 | ▲ +1.3% | Census |
| 2020 | 229,792 | — | Census |
| 2025 | 223,939 | ▼ -2.5% | Census |
| 2030 | 213,991 | ▼ -6.9% | Projection |
| 2035 | 203,082 | ▼ -11.6% | Projection |
| 2040 | 191,778 | ▼ -16.5% | Projection |
| 2045 | 180,999 | ▼ -21.2% | Projection |
| 2050 | 171,185 | ▼ -25.5% | Projection |
About Kasukabe
Overview
Kasukabe (春日部市) is a municipality in Saitama, Japan, with a population of 223,939 as of 2025.
Population Projection of Kasukabe
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kasukabe's population is expected to reach 213,991 by 2030 (-6.9%), 191,778 by 2040 (-16.5%), and 171,185 by 2050 (-25.5%). A significant population decline is projected over the next three decades.
Aging Rate of Kasukabe
The aging rate (percentage of residents aged 65 and over) is 32.5% as of 2020 and is projected to rise to 44.6% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Kasukabe's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1192 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #907 out of 1903 nationwide.
- Population size: Ranked #154 out of 1917 nationwide.
- Related: National rankings / All municipalities in Saitama
Earnings in Saitama (埼玉県): Average salary in Saitama (埼玉県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure