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U.S. streaming and video app user engagement 2021, by age group
higher user reach, YouTube ranked second based on time spent on the platform by all participants, amassing 5.2 hours of weekly engagement.
According to a study of iOS users aged 18 and older, TikTok was the most popular mobile video app in the United States in the examined period, with Gen Z users spending on average more than 10 hours on the app weekly. While presenting a