From The Truth About Guns:

Looking at a 10-year trend, the numbers of violent crimes were down a full 9 percent from 2009 through 2018. The rate shows a more dramatic drop: “There were an estimated 368.9 violent crimes per 100,000 inhabitants in 2018, a rate that fell 3.9 percent when compared with the 2017 estimated violent crime rate and dropped 14.6 percent from the 2009 estimate.”