Hardware:
Switch - 22.50 million
3DS - 73.70 million

Software - Switch:
Super Mario Odyssey - 12 million
Mario Kart 8 Deluxe - 11.75 million
Breath of the Wild - 10.15 million
Splatoon 2 - 7.30 million
1-2-Switch - 2.6 million
Kirby Star Allies - 2.15 million
ARMS - 2.14 million
Mario Tennis Aces - 2.10 million
DKC: Tropical Freeze - 1.75 million
Xenoblade Chronicles 2 - 1.5 million



Pancho A. Ovies

Nintendo Switch in Japan (Famitsu): 2018 vs. 2019
http://gamrconnect.vgchartz.com/thread.php?id=238945&page=2

PlayStation 4/Xbox One/Nintendo Switch: 2018 vs. 2019
http://gamrconnect.vgchartz.com/thread.php?id=239387