VGChartz Writes: "Looking at the total sales of the PlayStation 4, Xbox One and Wii U in December shows how the PlayStation 4 has continued to grow its lead over the Xbox One and Wii U. Also how the Xbox One price cut helped boost sales past the Wii U.
The PlayStation 4 passed the 18 million mark this month, the Xbox One passed the 10 million mark and the Wii U has passed the eight million mark. The PS4 has sold 18.50 million units lifetime, the Xbox One 10.99 million units, and the Wii U 8.95 million units.
PlayStation 4 Total Sales: 18,498,063
Xbox One Total Sales: 10,988,739
Wii U Total Sales: 8,948,017"