An estimated 25.1 million people watched the second night of the 2012 Democratic National Convention on Wednesday, September 5. [...]
The DNC was up against a formidable opponent. The NFL kicked-off (literally) its season with the New York Giants hosting the Dallas Cowboys on NBC (8:41 PM to 11:30 PM ET). The game averaged 23.9 million viewers.
While coverage varied by network, all seven aired live coverage from approximately 10:00 PM to 11:30 PM. The chart below highlights the sum of the average audience for these networks during common coverage.
While noted in the "Networks Included" lists, it's worth calling out the fact that PBS was not rated during the 2008 conventions, as it is now, and any PBS viewership in 2008 was not counted.