We have no point of comparison. Is this more than usual?
[0] https://en.wikipedia.org/wiki/Gun_violence_in_the_United_Sta...
https://www.gunviolencearchive.org/
Click "Past Years" for historical data going back to 2014:
The only countries that have US-levels of gun violence are unstable Latin American nations and war-torn countries in Northern Africa: https://www.npr.org/sections/goatsandsoda/2018/11/09/6662094...