In prime time, Fox News destroyed its competition, with an average total audience of 2.381 million viewers, compared to MSNBC's 1.384 million and CNN's 835,000.
Among viewers 25-54, the group most coveted by advertisers, FNC shook off a challenge in recent months from MSNBC to claim a clear victory: 461,000 viewers, well ahead of MSNBC (329,000) and CNN (265,000).
https://www.forbes.com/sites/markjoyella/2018/05/30/fox-news-steamrolls-cable-news-competition-with-big-win-in-may-ratings/#4d8ebae33c74