penetration rate

Translations
уровень проникновения
The penetration rate of smartphones has increased significantly over the past decade.
Уровень проникновения смартфонов значительно увеличился за последнее десятилетие.
Definitions
The penetration rate is a metric that measures the percentage of a target market or population that has adopted or is using a particular product, service, or technology. It is often used in marketing and business analysis to assess the market reach and effectiveness of a product.