There are a few ways to answer this question, but the most accurate answer would be that the largest paying audience in history is probably the Super Bowl. The Super Bowl is an annual championship game of the National Football League (NFL). It is the highest level of professional American football in the world, and attracts massive amounts of viewers every year. In 2018, 103.4 million people watched the Super Bowl on television, making it one of the most-watched events in American history.