US: The social media sites where people regularly get news
Facebook 31%
YouTube 25%
Twitter 14%
Instagram 13%
TikTok 10%
Reddit 8%
LinkedIn 4%
Snapchat 4%
Nextdoor 4%
WhatsApp 3%
Twitch 1%

This survey preceded the major #TwitterMigration and didn't ask about #Mastodon.
https://pewresearch.org/journalism/fact-sheet/social-media-and-news-fact-sheet/ #PewResearch