Late Night TV Ratings: ‘Tonight Show,’ ‘Conan’ Even, ‘Late Show,’ ‘Daily Show’ Up, ‘Nightline’ Down For Week

Today we kick off our All New! Late Night TV ratings scorecard, where we’ll monitor the ups and downs across a portion of the late night TV landscape on a weekly basis.

For the week of January 17-21, 2011:

  • NBC’s Tonight Show (Leno) was even with last week’s 1.0 adults 18-49 rating
  • CBS’s Late Show (Letterman) was up a tenth to a 0.9 adults 18-49 rating.
  • ABC’s Nightline was down a tenth to a 0.9 adults 18-49 rating.
  • TBS’ Conan was even with a 0.6 adults 18-49 rating.
  • Comedy Central’s Daily Show (Stewart) was up a tenth to a 0.7 adults 18-49 rating.

Those looking for the final tally/chart of Jay & Conan’s Tonight Show ratings click here.

The chart shows the late night adults 18-49 weekly average ratings beginning the first week of 2011.

Because of network, timeslot and running time differences, these ratings comparisons are necessarily somewhat apples to oranges. The Tonight Show and The Late Show run 11:35p-12:35a, Nightline runs 11:35p-12:05a (for another week), Conan runs 11:00p-12:00a, and The Daily Show runs 11:00-11:30p. Here’s a limited look at the advantage the earlier/shorter shows have in the ratings PR battle.

Assumptions are that the broadcast networks are in substantially all of the 115.9 million US TV households. TBS is in 101 million households, Comedy Central is in 99 million.

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