| | Security and Criminal Justice Scenario |
| | Topic 2 | Predicting Total U.S. correctional population |
| | Scenario 2 | Review the data on persons supervised by U.S. adult correctional systems by correctional status. Predict the number of the United States population that will be supervised by U.S. adult correctional system in 2018. |
| | Year | Total U.S. correctional population | Probation | Parole |
| | 2000 | 6,467,800 | 3,839,400 | 725,500 |
| | 2001 | 6,584,900 | 3,934,500 | 731,100 |
| | 2002 | 6,730,900 | 3,995,000 | 753,100 |
| | 2003 | 6,886,800 | 4,073,800 | 773,500 |
| | 2004 | 6,997,000 | 4,140,400 | 775,900 |
| | 2005 | 7,055,600 | 4,162,300 | 784,400 |
| | 2006 | 7,199,700 | 4,236,800 | 798,200 |
| | 2007 | 7,339,600 | 4,293,000 | 826,100 |
| | 2008 | 7,313,600 | 4,270,100 | 828,200 |
| | 2009 | 7,235,200 | 4,196,200 | 824,100 |
| | 2010 | 7,086,500 | 4,053,600 | 840,700 |
| | 2011 | 6,989,200 | 3,969,400 | 854,600 |
| | 2012 | 6,945,100 | 3,940,800 | 857,800 |
| | 2013 | 6,903,200 | 3,910,600 | 855,200 |
| | 2014 | 6,851,000 | 3,864,100 | 856,900 |