"Most evangelicals now live in China, South Korea, India, Africa and Latin America, where they are transforming their religion. In various ways, they are making evangelical Christianity at once more conservative and more liberal. They are infusing it with local traditions and practices. And they are even sending “reverse missionaries” to Europe and the United States.
"In 1960, there were an estimated 50 million evangelical Christians in the West, and 25 million in the rest of the world; today, there are an estimated 75 million in the West, and 325 million in the rest of the world (representing about 20 percent of the two billion Christians worldwide), according to Robert Kilgore, chairman of the board of the missionary organization Christar."
[source: http://www.religionnewsblog.com/13711/evangelical-christianity-shifting-outside-west]