According to Game Data Library, the Nintendo Switch has sold 12,801,240 units in Japan, surpassing the Wii’s 12,739,002 lifetime sales. It’s also worth mentioning that the Switch has been on the market for three years, while it took the Wii twice as long to clear 12,7 units sold.
Nintendo Switch outsold the Wii in Japan this week, here’s a graph showing the sames of both systerms launches aligned.
Wii peaked early and died off quickly, Switch got to 12.7m in half the time it took Wii. pic.twitter.com/gWZu36wOcg
— Game Data Library (@GameDataLibrary) March 25, 2020
Game Data Library also points out that the Switch is the 3rd fastest selling system in Japan after 3 years, just behind Nintendo DS and Nintendo 3DS.