"The U.S. incarcerates its citizens at a rate roughly five times higher than the global average. We have about 5 percent of the world's population, but 25 percent of its prisoners, according to The Economist,. This status quo costs our local, state and federal governments a combined $68 billion a year -- all of which becomes a federal problem during recessions, when states look to Washington for fiscal relief. Over the standard 10-year budget window used in Congress, that's a $680 billion hit to the deficit.
Solving longstanding prison problems -- releasing elderly convicts unlikely to commit crimes, offering treatment or counseling as an alternative to prison for non-violent offenders, slightly shortening the sentences of well-behaved inmates, and substituting probation for more jail-time -- would do wonders for government spending."