Vance gave his first speech as the vice presidential nominee, according to Nielsen.
The viewership is across 12 networks, from 10 p.m.
ET to 11:30 p.m.

Photo by Alex Wong/Getty Images
In 2016, when Pence accepted his first nomination as Trumps running mate, viewership was 23.37 million.
An estimated 13.96 million viewers were 55 and over, 3.03 million were 35-54, and 658,000 were 18-34.
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Fox News dominated viewership during the 10 p.m.

ET to 11:30 p.m.