The Legend of Zelda: Twilight Princess HD: 1.7m
Pokken Tournament: 1.7m
Star Fox Zero: 1m
The Legend of Zelda Wii U: 3.8m
Genei Ibun Roku #FE: 0.5m
Mario & Sonic at the Rio 2016 Olympic Games: 1.1m
Completely guessing here.
"Just for comparison Uncharted 4 was 20x bigger than Splatoon 2. This shows the huge difference between Sony's first-party games and Nintendo's first-party games."