N.H. had the biggest relative increase in pediatric firearm mortality in the study

The mortality rates show the number of deaths per 100,000 total population.

A bar chart showing how the pediatric firearm mortality rates changed before and after a Supreme Court decision that gave 2nd amendment rights to local and state governments.
Vermont's increase in firearm mortality was not statistically significant.
Chart: CHRISTINA PRIGNANO/GLOBE STAFF Source: Firearm Laws and Pediatric Mortality in the US, JAMA Pediatrics, 2025