General Statistics and Facts of World Christianity Today

Pentecostals, Charismatics and Evangelicals:

Of the approximate 2 billion Christians in the world today, 279 million (12.8% of the world’s Christian population) identify themselves as Pentecostals, 304 million (14%) are Charismatics, and 285 million (13.1%) are Evangelicals, or Bible believing Christians. (These three categories are not mutually exclusive.)

Pew Forum on Religion and Public Life (2011)

via Christianity Today – General Statistics and Facts of Christianity Today.