Ibaraki茨城県
Tsukubamirai つくばみらい市
Data last updated:
Tsukubamirai, Ibaraki, Japan has a population of 52,100 (2025 national census). IPSS projections estimate 53,080 by 2030 and 56,376 by 2050 (an increase of about 13.0% from 2020), with the share of residents aged 65+ rising from 27.7% in 2020 to 31.9%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025年
(实际)
52,100人
2030年
(预测)
53,080人
▲ +6.4%
2040年
(预测)
55,165人
▲ +10.6%
2050年
(预测)
56,376人
▲ +13.0%
Change vs. 2020 census
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Ibaraki (茨城県)的其他市区町村
数据来源
- 日本政府统计综合窗口(e-Stat)（https://www.e-stat.go.jp/）
- 国立社会保障・人口问题研究所「日本地区别未来推计人口（令和5年推计）」
※本服务使用e-Stat的API功能，但服务内容不受日本政府保证。
Tsukubamirai 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 | 32,917 | ▼ -34.0% | Census |
| 1985 | 36,776 | ▼ -26.3% | Census |
| 1990 | 38,537 | ▼ -22.7% | Census |
| 1995 | 40,495 | ▼ -18.8% | Census |
| 2000 | 40,532 | ▼ -18.7% | Census |
| 2005 | 40,174 | ▼ -19.4% | Census |
| 2010 | 44,461 | ▼ -10.8% | Census |
| 2015 | 49,136 | ▼ -1.5% | Census |
| 2020 | 49,872 | — | Census |
| 2025 | 52,100 | ▲ +4.5% | Census |
| 2030 | 53,080 | ▲ +6.4% | Projection |
| 2035 | 54,222 | ▲ +8.7% | Projection |
| 2040 | 55,165 | ▲ +10.6% | Projection |
| 2045 | 55,885 | ▲ +12.1% | Projection |
| 2050 | 56,376 | ▲ +13.0% | Projection |
About Tsukubamirai
Overview
Tsukubamirai (つくばみらい市) is a municipality in Ibaraki, Japan, with a population of 52,100 as of 2025.
Population Projection of Tsukubamirai
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Tsukubamirai's population is expected to reach 53,080 by 2030 (+6.4%), 55,165 by 2040 (+10.6%), and 56,376 by 2050 (+13.0%). Tsukubamirai is among the rare Japanese municipalities projected to see population growth.
Aging Rate of Tsukubamirai
The aging rate (percentage of residents aged 65 and over) is 27.7% as of 2020 and is projected to rise to 31.9% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Tsukubamirai stands out as one of the few Japanese municipalities with continued population growth.
National and Prefectural Rank
- Population decline rate: Ranked #1893 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1770 out of 1903 nationwide.
- Population size: Ranked #661 out of 1917 nationwide.
- Related: National rankings / All municipalities in Ibaraki
Ibaraki (茨城県)的收入水平: Ibaraki (茨城県)的平均年收入（按年龄、性别、企业规模）jpsalary / 厚生劳动省 工资结构基本统计调查