https://en.wikipedia.org/wiki/List_of_video_game_console_launch_games#Seventh_generation
18 for XB360
14 for PS3
25 for PS4
22 for XB1
10 for Switch
Using strictly U.S. titles.
These other 2 titles that makes 12 either are not listed on wikipedia page yet or are foreign releases that you guys are counting due to switch's non region locked nature.
EDIT: Sorry, overlooked the fact this topic had a 2nd page. My bad.
Look at the release dates. I rest my case.