Fig. 1: Monthly comparison of background checks vs. search volumes.
From: Internet search patterns reveal firearm sales, policies, and deaths
a U.S. long-gun background checks vs. U.S. relative Internet search volume for the term shotgun (Pearson’s r = 0.96, Spearman’s ρ = 0.94) and b U.S. handgun background checks vs. U.S. relative Internet search volume for the term 9 mm in 2019 (Pearson’s r = 0.97, Spearman’s ρ = 0.94).
