Conina on 10 July 2019
The number of Switch games ain't really a secret since all of them are in the eShop.
Of course there are some minor regional differences.
In the US eShop there are currently 2366 Switch games listed, 2256 of them now available: https://www.nintendo.com/games/game-guide/#filter/:q=&dFR[platform][0]=Nintendo%20Switch
In the German eShop there are currently 2292 Switch games listed, 2197 of them now available: https://www.nintendo.de/Suche-/Suche-299117.html?f=147394-5-81
You can also filter for retail Switch games (to exclude indies and mobile ports). There are currently 291 Switch games marked as retail versions:
