https://www.perfectly-nintendo.com/nintendo-switch-list-of-all-the-games-available-all-regions/

Nintendo Switch games – Total
Total (all regions): 3,523 (2017: 388 / 2018: 1,298 / 2019: 1,671 / 2020: 166)
North America: 3,214 (2017: 343 / 2018: 1,164 / 2019: 1,541 / 2020: 156)
Europe: 3,205 (2017: 345 / 2018: 1,160 / 2019: 1,536 / 2020: 164)
Japan: 1,906 (2017: 243 / 2018: 732 / 2019: 858 / 2020: 73)