Generations: The Real Differences Between Gen Z, Millennials, Gen X, Boomers, and Silents—and What They Mean for America's Future

by Jean M. Twenge

By early 2020, nearly half of 8th graders spent 3 hours a day or more using social media. The average teen spent more than 8 and a half hours a day with screen media in total in 2021, according to Common Sense Media.