Collateral Costs: Incarceration’s Effect on Economic Mobility? (Pew Charitable Trusts) "Over the past 30 years, the United States has experienced explosive growth in its incarcerated population. The Pew Center on the States reported in 2008 that more than 1 in 100 adults is now behind bars in America, by far the highest rate of any nation. The direct cost of this imprisonment boom, in dollars, has been staggering: state correctional costs quadrupled over the past two decades and now top $50 billion a year, consuming 1 in every 15 general fund dollars..." (via Sentencing Law & Policy)