The liberal network spent years attacking former President Donald Trump and the network thrived during his final days in office amid a brief post-election spike. CNN averaged 2.2 million viewers during the first three weeks of 2021, but it has averaged just one million viewers since Biden took office, a staggering decline of 54 percent. CNN’s struggles are even more prominent among the key advertising demographic of adults age 25-54, with a drop of 60 percent. It averaged 617,000 demo viewers from Dec. 28 through Inauguration Day but only 244,000 since Biden entered the White House... CNN averaged 3.1 million viewers from 8-11 p.m. from Dec. 28 through Inauguration Day but only 1.4 million since for a whopping 55-percent decline. Over the same time period, CNN’s primetime lineup lost 63 percent of its viewers among the crucial demo.