The morning show ratings race begins 2013 with a split. “Good Morning America” takes a win in total viewers while NBC’s “Today” wins in younger viewers, its first in 7 weeks.

But #3 “CBS This Morning” showed the most growth year-over-year, up +15% in total viewers and up +5% in younger viewers compared to the former “Early Show” which was in its final week.

“GMA” was up +3% in total viewers and down -3% in younger viewers, while “Today” is down double digits: -13% / -20%.

Because of New Year’s, each program’s averages are based on 3 days (Wed-Fri).

The averages for the week of December 31, 2012:

• Total Viewers: ABC: 4.814M / NBC: 4.572M / CBS: 2.535M

• A25-54 viewers: ABC: 1.778M / NBC: 1.899M / CBS: 932K