Mr.GameCrazy on 31 January 2018
As of December 31, 2017, the Switch has sold 14.86 million systems and 52.97 million in software. https://www.nintendo.co.jp/ir/en/finance/hard_soft/index.html
And here's the sales of their top selling games: https://www.nintendo.co.jp/ir/en/finance/software/index.html