Statistics from the United States show that among prison inmates there, 37 % have a relative who is a convicted criminal, 70 % come from single-parent homes and the children of inmates are five times more likely than other children to commit a crime.
根據美國法務統計局的統計資料顯示：在監服刑的受刑人中，有百分之三十七的受刑人家族成員中有一位是受刑人；百分之七十的受刑人是在單親家庭中長大；受刑人的子女比一般青少年的犯罪機率高出五倍。