U.S. streaming and video app user engagement 2021, by age group

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 higher user reach, YouTube ranked second based on time spent on the platform by all participants, amassing 5.2 hours of weekly engagement.

根据一项针对18岁及以上iOS用户的调查研究，在所考察的时段内，TikTok成为美国最受欢迎的移动视频应用程序，Z世代用户平均每周在该应用上花费超过10小时。尽管在用户覆盖范围方面表现更为突出，YouTube依据所有参与者在平台上花费的时间排名第二，累计每周吸引5.2小时的互动时长。