What was sold in Japan was technically the Famicom Mini. What was sold in the rest of the world from what I can tell was the NES Classic. Considering they may have made the Famicom Mini only for Japan (and maybe some other small set of countries), Japan probably got whatever stock they had of the Famicom Mini. On the other hand, the NES Classic was split across the world.



As such, they likely made more NES Classics than they did Famicom Minis. However, like everyone is already aware, they clearly GROSSLY UNDERESTIMATED demand for these things across the board.



Also the Famicom mini was basically out of stock in Japan after the first week as well btw.