Chiba千葉県
Mihama 千葉市美浜区
Data last updated:
Mihama, Chiba, Japan has a population of 156,222 (2025 national census). IPSS projections estimate 143,938 by 2030 and 127,438 by 2050 (a decrease of about 14.4% from 2020), with the share of residents aged 65+ rising from 26.7% in 2020 to 37.6%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
156,222
2030
(Projection)
143,938
▼ -3.4%
2040
(Projection)
134,533
▼ -9.7%
2050
(Projection)
127,438
▼ -14.4%
Change vs. 2020 census
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Other municipalities in Chiba (千葉県)
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.
Mihama Population Table (1995–2050)
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 |
|---|---|---|---|
| 1995 | 128,732 | ▼ -13.6% | Census |
| 2000 | 135,509 | ▼ -9.0% | Census |
| 2005 | 145,541 | ▼ -2.3% | Census |
| 2010 | 150,162 | ▲ +0.8% | Census |
| 2015 | 148,718 | ▼ -0.2% | Census |
| 2020 | 148,944 | — | Census |
| 2025 | 156,222 | ▲ +4.9% | Census |
| 2030 | 143,938 | ▼ -3.4% | Projection |
| 2035 | 139,107 | ▼ -6.6% | Projection |
| 2040 | 134,533 | ▼ -9.7% | Projection |
| 2045 | 130,754 | ▼ -12.2% | Projection |
| 2050 | 127,438 | ▼ -14.4% | Projection |
About Mihama
Overview
Mihama (千葉市美浜区) is a municipality in Chiba, Japan, with a population of 156,222 as of 2025.
Population Projection of Mihama
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Mihama's population is expected to reach 143,938 by 2030 (-3.4%), 134,533 by 2040 (-9.7%), and 127,438 by 2050 (-14.4%). A modest population change is expected.
Aging Rate of Mihama
The aging rate (percentage of residents aged 65 and over) is 26.7% as of 2020 and is projected to rise to 37.6% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Mihama's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1496 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1427 out of 1903 nationwide.
- Population size: Ranked #247 out of 1917 nationwide.
- Related: National rankings / All municipalities in Chiba
Earnings in Chiba (千葉県): Average salary in Chiba (千葉県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure