5 million more than Romney on 2012
Nielsen reported that an average of 32.2 million viewers watched across the ad-supported networks that carried the speech between 10 and 11:45 p.m. ET. An additional 2.65 million viewers were tuned in on PBS from 10 to 11:30 p.m. ET.via latimes
Trump’s acceptance speech scored better than the 30.3 million viewers who watched Mitt Romney’s address on the commercial networks in 2012. But it was below the 38.9 million viewers for John McCain in 2008.
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However, Trump’s speech likely had a significant number of viewers who watched online, as streaming video has become common since the last presidential election.
The length of Trump’s speech may also have depressed the TV ratings, as his 75-minute stem-winder was the longest convention speech by a candidate in at least 44 years.