| Scoreboard | FOX | NBC | ABC | UNI | CBS | CW |
| Adults 18-49: rating/Share | 2.7/8 | 1.8/5 | 1.5/4 | 1.5/4 | 1.1/3 | 0.3/1 |
| Adults 18-34: Rating/Share | 2.5/8 | 1.5/5 | 1.0/3 | 1.4/5 | 0.7/2 | 0.3/1 |
| Total Viewers (million) | 8.297 | 6.270 | 5.240 | 3.603 | 5.762 | 1.618 |
FOX was the number one network in adults 18-49 and with total viewers.
On CBS, A Home for the Holidays With Rascal Flatts earned a 0.9 adults 18-49 rating.
On FOX, The X Factor was even with last week's 2.7 adults 18-49 rating.
On ABC, 20/20: The Year With Katie Couric scored a 1.6, up a tenth from last year's special, which earned a 1.5 adults 18-49 rating.
On NBC, The 2012 Miss Universe Competition earned a 1.8, up two tenths from last year's 1.6 adults 18-49 rating. Chicago Fire garnered a 1.9, up half a ratings point from last week's 1.4 adults 18-49 rating.
Analysis coming soon
Late-night results are below the primetime data.
Overnight ratings for Wednesday, December 19, 2012:
| Time | Net | Show | 18-49 Rating | 18-49 Share | Viewers Live+SD (million) |
| 8:00PM | FOX | The X Factor (8-10 PM) | 2.7 | 8 | 8.297 |
| NBC | 2012 Miss Universe Competition (8-10PM) | 1.8 | 5 | 6.123 | |
| ABC | The Middle -R | 1.4 | 4 | 5.385 | |
| CBS | A Home for the Holidays With Rascal Flatts | 0.9 | 3 | 4.996 | |
| CW | Noel -R (8-10PM) | 0.3 | 1 | 1.618 | |
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| 8:30PM | ABC | The Neighbors -R | 1.1 | 3 | 4.109 |
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| 9:00 PM | ABC | Modern Family -R | 1.8 | 5 | 5.747 |
| CBS | Criminal Minds -R | 1.4 | 4 | 6.455 | |
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| 9:30PM | ABC | 20/20: The Year With Katie Couric (9:30-11PM) | 1.6 | 5 | 5.400 |
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| 10:00PM | NBC | Chicago Fire | 1.9 | 5 | 6.562 |
| CBS | CSI -R | 1.1 | 3 | 5.836 | |
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via press note:
In Late-Night Metered Markets Wednesday night:
* In Nielsen's 56 metered markets, household results were: "The Tonight Show with Jay Leno," 2.9/7; CBS's "Late Show with David Letterman," 2.5/6; and ABC's combo of "Nightline," 3.2/7; and "Jimmy Kimmel Live," 1.5/4 with an encore.
* In the 25 markets with Local People Meters, adult 18-49 results were: > "> The Tonight Show with Jay Leno,> "> 0.9/4; "Late Show," 0.6/3; "Nightline," 1.1/5; and "Jimmy Kimmel Live," 0.5/3 with an encore.
* At 12:35 a.m., "Late Night with Jimmy Fallon" (1.6/5 in metered-market households) beat CBS's "Late Late Show with Craig Ferguson" (1.2/4). In the 25 markets with Local People Meters, "Late Night" (0.6/4 in 18-49) topped "Late Late Show" (0.3/2).
* At 1:35 a.m., "Last Call with Carson Daly" averaged a 1.0/4 in metered-market households and a 0.4/3 in adults 18-49 in the 25 markets with local people meters.
NOTE: All ratings are "live plus same day" from Nielsen Media Research unless otherwise indicated.
Nielsen TV Ratings: ©2012 The Nielsen Company. All Rights Reserved.
You can see TV ratings from other recent Overnight ratings reports here.
Definitions: Fast Affiliate Ratings: These first national ratings, including demographics, are available at approximately 11 AM (ET) the day after telecast, and are released to subscribing customers daily. These data, from the National People Meter sample, are strictly time-period information, based on the normal broadcast network feed, and include all programming on the affiliated stations, sometimes including network programming, sometimes not. The figures may include stations that did not air the entire network feed, as well as local news breaks or cutaways for local coverage or other programming. Fast Affiliate ratings are not as useful for live programs and are likely to differ significantly from the final results, because the data reflect normal broadcast feed patterns. For example, with a World Series game, Fast Affiliate Ratings would include whatever aired from 8-11PM on affiliates in the Pacific Time Zone, following the live football game, but not game coverage that begins at 5PM PT. The same would be true of Presidential debates as well as live award shows and breaking news reports.
Rating: Estimated percentage of the universe of TV households (or other specified group) tuned to a program in the average minute. Ratings are expressed as a percent.
Share (of Audience): The percent of households (or persons) using television who are tuned to a specific program, station or network in a specific area at a specific time. (See also, Rating, which represents tuning or viewing as a percent of the entire population being measured.)
Time Shifted Viewing – Program ratings for national sources are produced in three streams of data – Live, Live+Same Day (Live+SD) and Live+7 Day. Time shifted figures account for incremental viewing that takes place with DVRs. Live+Same Day (Live+SD) include viewing during the same broadcast day as the original telecast, with a cut-off of 3:00AM local time when meters transmit daily viewing to Nielsen for processing. Live+7 Day ratings include incremental viewing that takes place during the 7 days following a telecast.
For more information see Numbers 101.
Surprised that Chicago Fire did that well, glad for the fans
Lol at XFactor..
Not that great for X Factor. Tonight should get a 3.0 though.
The X Factor did horrible considering the very weak competition and it is the finals. Will the finale even crack a 3.0?
ABC Wednesday comedy reruns doing better than those flop Tuesday comedies.
Chicago Fire did alright, though it was against minimal competition. I think it’s safe to start watching it. Maybe I’ll catch up over the holidays if there’s a way I can.
Go Chicago Fire!
The Middle repeated well
so-so for Miss Universe considering it was held in the USA and Miss USA won (Go Miss Philippines!)
Thank God for Chicago Fire. I was dreading this all morning so to see it jump back up means I can breathe again. Great episode last night!
Chicago Fire ratings are very erratic
Britney Spears has been one big fat bust for The X Factor.
hahaha @ the X-factor not getting a bump even for the finals and with weaker competition than usual. Pathetic.
I cant wait until x factor is over and Britney can leave and go on to making #1 albums and singles again!
Chicago Fire does well when there isn’t original competition from CSI. I also guess its lead-in seems misleadingly low (because the final half-hour probably got much higher ratings than its average).
X Factor still middling.
Modern Family repeats do okay. The Neighbors repeats relatively well considering how its originals do.
FOX has to be disappointed with “The X-Factor” finale ratings especially with NO competition…
Maybe tonight’s finale can rise?
Chicago Fire’s ratings are all over the place.
Even though CF goes well only when CSI is in repeat mode it can still be considered a hit for NBC
hahahahahahahhaha! Flop Factor. Arrested Development was cancelled for similar ratings. Dear T.V Gods, we’ll sacrifice Flop Factor if you bring back Arrested Development.
Chicago Fire!
Heh, (more) heads will roll again after this season of The X-Factor
Chicago Fire just might make it after all. Who knew…
Wow, The X Factor is a bust. These are the ratings DWTS gets almost a decade into its run. I don’t think TXF will live to see a fourth cycle.
What a dead night of TV.