January 2018 is the 11th month that the Nintendo Switch has been available for. During the latest month the Switch has grown its lead over the Wii. The Switch outsold the Wii by 98,959 units. The Switch is currently ahead of the Wii by 2.03 million units.
The Wii launched in November 2006, while the Nintendo Switch launched in March 2017. The Switch has sold 14.46 million units, while the Wii sold 12.43 million units during the same timeframe.