According to Nielsen, 20 million people watched the Democratic National Convention across networks on Monday.
Hillary Clinton thanks Joe Biden for 'lifetime of service' during DNC speech
That puts Night 1 of the DNC ahead of each of the first three nights of last month’s Republican National Convention, which drew 18.1 million, 14.8 million and 18 million viewers, respectively. The final night of the RNC, featuring a keynote speech by Donald Trump, averaged 25.4 million viewers and peaked at 28.4 million.
Nielsen's estimate takes into account coverage on ABC, CBS, NBC, Scripps News, Univision, CNN, CNNe, FOX Business, FOX News Channel, MSNBC, Newsmax, NewsNation and PBS.
This year's conference will be held in Chicago, and the first evening will feature speeches from Hillary Clinton and Joe Biden.