In a new study, the investigative journalism group ProPublica reports on the shocking growth of the private detention industry.
More than half of Louisiana’s 40,000 inmates are housed in prisons run by sheriffs or private companies as part of a broader financial incentive scheme. The detention business goes beyond just criminal prisoners.
Nearly half of all immigrant detainees  are now held in privately run detention facilities. The New York Times recently delved into lax oversight  at industrial-sized but privately run halfway houses in New Jersey.
ProPublica looks at some of the numbers associated with the billion-dollar for-profit detention industry—and the two companies that dominate the market.
1.6 million: Total number of state and federal prisoners in the United States as of December 2010, according to the Bureau of Justice Statistics 
128,195: Number of state and federal prisoners housed in private facilities as of December 2010
37: percent by which number of prisoners in private facilities increased  between 2002 and 2009
217,690: Total federal inmate population as of May 2012, according to the Bureau of Prisons 
27,970: Number of federal inmates in privately managed facilities within the Bureau of Prisons
33,330: Estimated size of detained immigrant population as of 2011, according to the U.S. Department of Homeland Security 
Corrections Corporation of America
66: number of facilities owned and operated by Corrections Corporation of America , the country’s largest private prison company based on number of facilities
91,000: number of beds available in CCA facilities across 20 states and the District of Columbia
$1.7 billion: total revenue  recorded by CCA in 2011
$17.4 million: lobbying expenditures in the last 10 years, according to the Center for Responsive Politics 
$1.9 million: total political contributions from years 2003 to 2012, according to the National Institute on Money in State Politics 
$3.7 million: executive compensation  for CEO Damon T. Hininger in 2011
132: recorded number of inmate-on-inmate assaults  at CCA-run Idaho Correctional Center between Sept. 2007 and Sept. 2008
42: recorded number of inmate-on-inmate assaults at the state-run Idaho State Correctional Institution in the same time frame (both prisons at the time held about 1,500 inmates)
The Geo Group, Inc., the U.S.’s second largest private detention company
$1.6 billion: total revenue in year 2011, according to its annual report 
65: number of domestic correctional facilities owned and operated by Geo Group, Inc .
65,716: number of beds available in Geo Group, Inc.’s domestic correctional facilities
$2.5 million: lobbying expenditures in the last 8 years, according to the Center for Responsive Politics 
$2.9 million: total political contributions from years 2003 to 2012, according to the National Institute on Money in State Politics 
$5.7 million: executive compensation  for CEO George C. Zoley in 2011
$6.5 million: damages awarded  in a wrongful death lawsuit against the company last June for the beating death of an inmate by his cellmate at a GEO Group-run Oklahoma prison. An appeal has been filed and is pending.
$1.1 million: fine levied against the company in November 2011 by the New Mexico Department of Corrections for inadequate staffing  at one of its prisons.