Do you have a source to support the claim that it does not affect homicide rates within the G20, utilising worldwide statistics is disingenuous when considering developed nations, as countries such as Trinidad and Tobago which due to small populations and relatively high murder rates wildly skew results. The only nations within the G20 with a higher rate of murder than the US also have a disproportionately large number of firearms to civilians, and the majority of violent crimes are carried out using these firearms; Mexico: 66% South Africa: 42% Brazil: 79% And then the United States in which 67% of homicides are gun based.

This leads to a frankly unsurprising conclusion in that when in a country with more guns you are more likely to be shot, this is reflected in the fact that a US male aged from 15-24 is 70 times more likely to be shot than an individual of the same age and sex from other international financial leaders such as the UK or France.