31 million tuned in for Donald Trump's inauguration

Posted at 9:01 AM, Jan 24, 2017
and last updated 2017-01-24 12:04:38-05

Nielsen ratings show President Donald Trump's inauguration on Jan. 20, 2017 was viewed by nearly 31 million Americans. 

Twelve networks aired live coverage from 10 a.m. through 6 p.m. Eastern. Most people watching were age 55 and older, Nielsen reported.

A chart issued by Nielsen shows Ronald Reagan's 1981 inauguration is the most watched in history.