His ratings were more than double Jimmy Fallon's 2.92 million viewers for Tuesday's Tonight Show—and triple Jimmy Kimmel's 1.75 million. In the key demographic of adults 18-49, Colbert's 1.4 was also a victor compared to Fallon's 0.9 adults and Kimmel's 0.4 adults
We'll have to see if he can keep it up. I watched night #2 yesterday, and it's obvious they're still working the bugs out a little bit. I'm rooting for him.