The number of US adults using TikTok (including musical.ly), showing a rise from 2.6 million in October 2017 to 28.8 million in March 2021, including an almost doubling of users year-over-year in March 2021.

Which Digital Channels Do Marketers Around the World Feel Are Most Effective?
Marketers are high social media’s effectiveness and confident in their ability to measure its ROI.