According to a 2011 Pew Research Center survey, there were 2.2 billion Christians around the world in 2010, up from about 600 million in 1910. By 2050, the Christian population is expected to exceed 3 billion. According to a 2012 Pew Research Center survey Christianity will remain the world's largest religion in 2050, if current trends continue.
ఒక నివేదిక ప్రకారం, 2010లో ఈ లోకంలో ఎంతమంది క్రైస్తవులు ఉన్నారు?
2.2 billion