1.
penetration rate; adoption rate; rate of spread
The percentage or proportion showing how widely something has spread or been adopted in a population.
Combines 普及 (spread/dissemination) and 率 (rate/ratio). Used in statistics, reports, and news to express how widely a product, technology, or practice has been adopted. The 率 suffix is productive and attaches to many nouns to form rate/ratio compounds.
Common collocations
- 普及率が高い: high adoption rate
- 普及率が低い: low adoption rate
- 普及率が上がる: the adoption rate rises
- 普及率を調べる: to research the adoption rate
Similar words
- 普及: spread/dissemination — the base noun without the rate component
- 浸透率: penetration rate — more technical, used in marketing
- 利用率: usage rate — focuses on actual use rather than ownership