Roughly nine out of ten inmates in state prisons are:

Roughly nine out of ten inmates in state prisons are men.

Explanation:

Most of the country's prison population is made up of young, black, single men who have not completed elementary school, been sentenced to four to eight years in prison and stopped in jail for theft, trafficking and theft. Using statistical data, we can say that nine out of ten prisoners in state prisons are men, so it is more common for male prisoners to face overcrowding than female prisoners. To explain this phenomenon would require an anthropological and cultural study related to the prevalence of males involved in criminal activities.