God Is Back: How the Global Revival of Faith Is Changing the World is a 2009 book by John Micklethwait and Adrian Wooldridge which argues against the secularization thesis and claims that there is a global revival of faith has started in the late twentieth century.
An emerging "free market" of religious choices led Americans to become increasingly pluralistic and tolerant of other forms of Christianity.
[1] Micklethwait and Wooldridge argue that the religions growing around the world tend to exhibit these same features.
World religions—and Christianity, in particular—are growing fastest where they are: competing with other religious alternatives, unsupported by state governments, and entirely dependent upon popular interest.
[1] Kirkus Reviews called it "A meaningful contribution to the ongoing conversation about the place of faith in modern life.