“On a time-aligned basis through the first 10 months on the market, Nintendo Switch has sold more consoles than any other platform in history,” NPD analyst Mat Piscatella said.

 

https://venturebeat.com/2018/01/18/december-npd-2017-nintendo-switch-leads-the-hardware-pack-in-a-3-29-billion-month/

 

 

So this includes handhelds also same like home consoles.