As recently as 2018, the five broadcast network late-night shows — hosted by Stephen Colbert, Jimmy Fallon, Jimmy Kimmel, James Corden and Seth Meyers — drew an estimated $439 million in combined advertising revenue, according to Guideline, an advertising data firm.
By 2022, that figure had fallen to $277 million, Guideline said. Last year, it plunged to $220.6 million, nearly a 50 percent decline from 2018
A big drop....
