"Looking at the total sales of the PlayStation 4, Xbox One and Wii U shows how quickly the PS4 has taken the lead. The PS4 has always been ahead of the Xbox One and it surpassed the Wii U in February of this year. The PS4 passed the 10 million mark this month, the Wii U the 7 million mark and the Xbox One the 5 million mark. The PS4 has sold 10.19 million units lifetime, the Xbox One 5.13 million units, and the Wii U 7.13 million units.
PlayStation 4 Total Sales: 10,191,770
Xbox One Total Sales: 5,131,517
Wii U Total Sales: 7,130,356"