Gunma群馬県
Isesaki 伊勢崎市
Data last updated:
Isesaki, Gunma, Japan has a population of 208,069 (2025 national census). IPSS projections estimate 208,381 by 2030 and 190,997 by 2050 (a decrease of about 9.8% from 2020), with the share of residents aged 65+ rising from 25.4% in 2020 to 35.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
208,069
2030
(Projection)
208,381
▼ -1.6%
2040
(Projection)
201,248
▼ -5.0%
2050
(Projection)
190,997
▼ -9.8%
Change vs. 2020 census
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Other municipalities in Gunma (群馬県)
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.
Isesaki 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 | 159,069 | ▼ -24.9% | Census |
| 1985 | 168,559 | ▼ -20.4% | Census |
| 1990 | 175,254 | ▼ -17.3% | Census |
| 1995 | 184,420 | ▼ -12.9% | Census |
| 2000 | 194,393 | ▼ -8.2% | Census |
| 2005 | 202,447 | ▼ -4.4% | Census |
| 2010 | 207,221 | ▼ -2.2% | Census |
| 2015 | 208,814 | ▼ -1.4% | Census |
| 2020 | 211,850 | — | Census |
| 2025 | 208,069 | ▼ -1.8% | Census |
| 2030 | 208,381 | ▼ -1.6% | Projection |
| 2035 | 205,283 | ▼ -3.1% | Projection |
| 2040 | 201,248 | ▼ -5.0% | Projection |
| 2045 | 196,438 | ▼ -7.3% | Projection |
| 2050 | 190,997 | ▼ -9.8% | Projection |
About Isesaki
Overview
Isesaki (伊勢崎市) is a municipality in Gunma, Japan, with a population of 208,069 as of 2025.
Population Projection of Isesaki
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Isesaki's population is expected to reach 208,381 by 2030 (-1.6%), 201,248 by 2040 (-5.0%), and 190,997 by 2050 (-9.8%). A modest population change is expected.
Aging Rate of Isesaki
The aging rate (percentage of residents aged 65 and over) is 25.4% as of 2020 and is projected to rise to 35.8% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Isesaki's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1623 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1556 out of 1903 nationwide.
- Population size: Ranked #169 out of 1917 nationwide.
- Related: National rankings / All municipalities in Gunma
Earnings in Gunma (群馬県): Average salary in Gunma (群馬県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure