1. Married adults have markedly more sex than their unmarried peers, but the sex recession is also making inroads among married couples.
2. When it comes to sexlessness (“no sex in the last year”) among young adults, the biggest change comes post-2010.
3. Between 2010 and 2019, the average time young adults spent with friends in a given week fell by nearly 50%, from 12.8 hours to just 6.5 hours.

Source: Institute for Family Studies.