Given the known statistics for serial killers worldwide, how many do think are on Reddit?

Reddit has what, 34 million+ visitors? Given the recent statistics for serial killers, how many are "statistically" users of Reddit? Isnt there a a way to roughly compute this given some reddit and serial killer statistics? math and statistics people, im looking at you for this one. I wouldnt even know how to begin to compute that.

Here are a few statistics, after a quick google search. The USA has 76% of the worlds serial killers. Europe in second, has 17%. England has produced 28% of the European total; Germany produces 27%, and France produces 13%. California leads in the US with the most Serial Homicide cases that have occurred. Texas, New York, Illinois, and Florida follow shortly behind. Maine has the lowest occurrence of serial murders - none. Hawaii, Montana, North Dakota, Delaware, and Vermont each have had only one case of a serial murder. 84% of American killers are Caucasian. 16% are black Men make up at least 90% of the world wide total of serial killers. 65% of victims are female. 89% of victims are white. 44% of all killers start in their twenties.