The following is from an article from Harvard University:

In January 2007, Don B. Kates, a criminologist and constitutional lawyer, and Gary Mauser, Ph.D., a criminologist and professor at Simon Fraser University, conducted a study on the relationship between crimes and gun control. Their findings were first published in Harvard’s Journal of Public Law and Policy. Kates and Mauser, along with the data, suggest that there is no significant correlation between crime rates and gun control.

“If the mantra “more guns equal more death and fewer guns equal less death” were true, broad cross-national comparisons should show that nations with higher gun ownership per capita consistently have more death. Nations with higher gun ownership rates, however, do not have higher murder or suicide rates than those with lower gun ownership. Indeed many high gun ownership nations have much lower murder rates… The non‐correlation between gun ownership and murder is reinforced by examination of statistics from larger numbers of nations across the developed world. Comparison of “homicide and suicide mortality data for thirty‐six nations (including the United States) for the period 1990–1995” to gun ownership levels showed “no significant (at the 5% level) association between gun ownership levels and the total homicide rate. (p. 661)”

Kates and Mauser issued a conclusion, stating: “…the burden of proof rests on the proponents of the more guns equal more death and fewer guns equal less death mantra, especially since they argue public policy ought to be based on that mantra. To bear that burden would at the very least require showing that a large number of nations with more guns have more death and that nations that have imposed stringent gun controls have achieved substantial reductions in criminal violence (or suicide). But those correlations are not observed when a large number of nations are compared across the world. (p. 693)”


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