From GamesIndustry.biz:
Nintendo's Wii console has now sold over 10 million units in Japan.
That's according to local data specialist and Famitsu publisher Enterbrain, which puts the figure at 10,009,736 units, as of February 28, 2010.
Consumer blog Kotaku notes that Sony's PlayStation 2 reached the 10 million milestone quicker, after 131 weeks on the market. The Wii has hit 10 million after 170 weeks.
Enterbrain also puts PlayStation 3 unit sales in the region at 4,766,408 and Xbox 360 sales at 1,235,049 units.
Currently playing on PS3: God of War III
Currently playing on Xbox360: Final Fantasy XIII
Currently playing on NDS: Chrono Trigger