Chart by David Scott. The rate is number of fatalities per 100,000 population. It is not simple to determine the rate of fatal firearm accidents in the United States over the long term. In this article three sources were used. Rates and numbers from 1933-1987 are available from Kleck, Point Blank Page 306 Table 7.1. Numbers of 1981-2000 were found in An Analysis of Firearm-Related Accidents in the United States(pdf). Rates were calculated using Census figures. From 1999-2015 numbers were available in WISQARS, population for per capital rates was taken from U.S. Census figures. For the overlap cases, the...