There were 39 U.S. dog bite-related fatalities in 2017. Despite being regulated in Military Housing areas and over 900 U.S. cities, pit bulls contributed to 74% (29) of these deaths. Pit bulls make up about 6.5% of the total U.S. dog population.
The favorite dog of the slums.
In Tampa, Florida it's more like Pit Bulls are 95% of the dog population. National stats are meaningless when dealing with sanctuary cities and the dogs that the occupiers of those zones vastly prefer.