^Fox, Kara; Shveda, Krystina; Croker, Natalie; Chacon, Marco (November 26, 2021). "How US gun culture stacks up with the world". CNN. Archived from the original on November 26, 2021. CNN's attribution: Developed countries are defined based on the UN classification, which includes 36 countries. Source: Institute for Health Metrics and Evaluation (Global Burden of Disease 2019), Small Arms Survey (Civilian Firearm Holdings 2017)