51% Prison chaplains who say Islam is growing in U.S. prisons.
47% Prison chaplains who say Protestant Christianity is growing in U.S. prisons.
61% Prison chaplains who say participation in religious rehabilitation and reentry programs has gone up.
Spirituality
Evangelicals who think the following groups are unfriendly toward religion:
44% The Obama administration
56% University professors
53% News reporters and media
Geography
59% "Very religious" residents of Mississippi, named by Gallup as the most religious state.
23% "Very religious" residents of Vermont and New Hampshire, Gallup's least religious states.
40% National average of "very religious" residents—those who say religion is an important part of their daily life and that they attend religious services every week or almost every week.