Hyogo兵庫県
Miki 三木市
Data last updated:
Miki, Hyogo, Japan has a population of 70,961 (2025 national census). IPSS projections estimate 67,214 by 2030 and 48,639 by 2050 (a decrease of about 35.4% from 2020), with the share of residents aged 65+ rising from 35.2% in 2020 to 46.0%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
70,961
2030
(Projection)
67,214
▼ -10.7%
2040
(Projection)
57,780
▼ -23.3%
2050
(Projection)
48,639
▼ -35.4%
Change vs. 2020 census
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Other municipalities in Hyogo (兵庫県)
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.
Miki 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 | 78,297 | ▲ +4.0% | Census |
| 1985 | 82,636 | ▲ +9.8% | Census |
| 1990 | 84,445 | ▲ +12.2% | Census |
| 1995 | 86,562 | ▲ +15.0% | Census |
| 2000 | 86,117 | ▲ +14.4% | Census |
| 2005 | 84,361 | ▲ +12.0% | Census |
| 2010 | 81,009 | ▲ +7.6% | Census |
| 2015 | 77,178 | ▲ +2.5% | Census |
| 2020 | 75,294 | — | Census |
| 2025 | 70,961 | ▼ -5.8% | Census |
| 2030 | 67,214 | ▼ -10.7% | Projection |
| 2035 | 62,581 | ▼ -16.9% | Projection |
| 2040 | 57,780 | ▼ -23.3% | Projection |
| 2045 | 53,067 | ▼ -29.5% | Projection |
| 2050 | 48,639 | ▼ -35.4% | Projection |
About Miki
Overview
Miki (三木市) is a municipality in Hyogo, Japan, with a population of 70,961 as of 2025.
Population Projection of Miki
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Miki's population is expected to reach 67,214 by 2030 (-10.7%), 57,780 by 2040 (-23.3%), and 48,639 by 2050 (-35.4%). A significant population decline is projected over the next three decades.
Aging Rate of Miki
The aging rate (percentage of residents aged 65 and over) is 35.2% as of 2020 and is projected to rise to 46.0% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Miki's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #882 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #827 out of 1903 nationwide.
- Population size: Ranked #546 out of 1917 nationwide.
- Related: National rankings / All municipalities in Hyogo
Earnings in Hyogo (兵庫県): Average salary in Hyogo (兵庫県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure