The world's fastest-growing religion is ...

Story highlights

  • Islam, the world's fastest-growing faith, will leap from 1.6 billion to 2.76 billion by 2050, according to the Pew study
  • Study collected data from 234 countries and territories; predicts fate of five major faiths -- Buddhism, Christianity, Hinduism, Judaism and Islam -- as well as folk religions and atheists

(CNN)If tech futurists are to be believed, by the year 2050, robots will do many of our errands and drive our cars. If a new study on religious trends is to be believed, many of those robot-controlled cars will stop and park at mosques and churches.