The FBI publishes Uniform Crime Reports that will help you.
There are millions every year.
It varies slightly year to year, but according to the FBI, the overall percent of violent crimes involving guns is between 20 and 30 percent.
15 TO 25 Year Olds
100-250 die each year
err
It varies a little year to year, but in the U.S. according to the FBI, about 20-30 percent of all violent crime involves a gun.
Check the FBI Uniform Crime Report
I can't speak for the entire U.S., but in Tennessee, it's a tiny percentage. It's less than 1 percent.Added: CCW / CWP / CPWL / Etc., laws are administered by the individual states. There is no federal input or presence in the permitting process and the statistics on WHO and HOW MANY legally carry weapons nationwide is probably not known exactly,except as an estimate.Insofar as I am aware, when a gun-crime is committed, there is no formal collecting of data as to whether the perpetrator happened to be a permit holder or not. Overall estimates, even by anti-gun organizations, seem to reflect that, compared to the population as a wholel, it is only a very small percentage.
The answer to your question will depend on what ages you define "Kids" as.
What are you trying to ask?
In the United States, there are approximately 30,000 gun-related deaths each year. This number includes homicides, suicides, and accidental deaths.
FBI Uniform Crime Status Report and the CDC are places to start