In 1975, the United States implemented legislation which mandated that the life-long medical, education and living expenses of anyone with an IQ below 70 were the responsibility of the government.
美國一九七五年通過智障者「全面參與法案」，凡智商在七十以下者，由出生到死亡期間的就醫、就學、就養費用，全數由政府負擔。