May was Countdown with Keith Olbermann’s worst month so far in 2010 in the cable news advertiser target adults 25-54 demographic. The show’s May, 2010 monthly average of 250,000 adults 25-54 demo viewers was 23% below its 323,000 average in May, 2009.

The chart shows Countdown’s 13 month trend in adults 25-54.

All numbers are Live+Same Day.

Nielsen TV Ratings: ©2010 The Nielsen Company. All Rights Reserved.

Posted by:TV By The Numbers

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