In the world of broadcast primetime television, Monday was New Year’s Day. The annual Nielsen broadcast primetime “year” ended Sunday, September 20 with Fox on top of the adults 18-49, 18-34 and 25-54 demographic groups, and CBS leading in average viewership.

As you can see from the charts below, the finish order for the full year was pretty much the same as it was at the end of the “regular” season in May. The summertime shifts having been small. Comparing the charts is a bit tricky since I shifted from a viewer to a rating based chart during the year, but each rating point is a percentage of the US TV population in that demographic group and equals: 2.90 million viewers, 1.32 million adults 18-49, 0.68 million adults 18-34 and 1.24 million adults 25-54.

Here’s the ways things ended once the party that was the 2008-9 broadcast primetime season was over.


This is where things stood at the end of the “traditional” broadcast season on May 20, 2009. Note that the numbers below are viewers, while the chart above is ratings.


No adjustment were made to these charts to account for the boost NBC received from the 2009 Super Bowl, which added about 10% to all their ratings averages for the year.

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Posted by:TV By The Numbers

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