Survey: One Quarter of Americans Could Claim 'No Religion' in 20 Years

Of course this doesn't take into consideration another Great Awakening:

(usnews.com)

If current trends continue, a quarter of Americans are likely to claim "no religion" in 20 years, according to a survey out today by Trinity College. Americans who identify with no religious tradition currently comprise 15 percent of the country, representing the fastest growing segment of the national religious landscape.

While the numbers portend a dramatic change for the American religious scene—"religious nones" accounted for just 8 percent of the population in 1990—the United States is not poised adopt the anti-religious posture of much of secularized Europe.