VGChartz' William D'Angelo: "Looking at the total sales of the PlayStation 4, Xbox One, and Wii U in Japan for August we can see that the gap between the Wii U and PlayStation 4 continues to slowly shrink over time as Sony's console eats into the Wii U's head-start.
The Wii U has sold 2.52 million units lifetime, the PlayStation 4 1.67 million units, and the Xbox One 56,588 units.
PlayStation 4 Total Sales: 1,665,108
Xbox One Total Sales: 56,588
Wii U Total Sales: 2,524,761"