The poll, which measured Americans’ beliefs about the Bible, found that 28 percent of Americans believe the Bible is the literal word of God -- close to the lowest point ever found in the survey.
About 40 percent of Americans said the same thing in the late 1970s.
MORE: http://www.religionnews.com/2014/06/05/decline-literalism-rise-secularism-one-chart/
See also...
Three in Four in U.S. Still See the Bible as Word of God
http://www.gallup.com/poll/170834/three-four-bible-word-god.aspx