Montana - Human Development Index
| 2015 | 0.919 |
| 2014 | 0.918 |
| 2013 | 0.916 |
| 2012 | 0.915 |
| 2011 | 0.914 |
| 2010 | 0.910 |
| 2009 | 0.905 |
| 2008 | 0.905 |
| 2007 | 0.903 |
| 2006 | 0.897 |
| 2005 | 0.894 |
| 2004 | 0.891 |
| 2003 | 0.889 |
| 2002 | 0.884 |
| 2001 | 0.881 |
| 2000 | 0.880 |
| 1999 | 0.881 |
| 1998 | 0.882 |
| 1997 | 0.878 |
| 1996 | 0.876 |
| 1995 | 0.875 |
