Christianity by country
According to Christian Today, there were 2.4 billion Christians around the world in 2015. And according to a 2012 Pew Research Center survey, if current trends continue, Christianity will remain the world's largest religion by year 2050. By 2050, the Christian population is expected to exceed 3 billion. Many charismatic movements are growing in Africa, Latin America, Muslim world, and Asia.Other religions:
Muslim world
The Open Doors USA organization, in its 2012 survey of countries around the world that persecute Christians, listed 37 members of the Muslim world amongst the top 50 countries where Christians face the most severe persecution. 9 of the top 10 countries are Islamic-majority states.