Christainity means followers of Jesus Christ. but no body follows Him.
except some nuns and clean-shaven popes. they are also doubtful. reports come about their sexual abuses. only Mother Teresa can be named. that too, in a place like India where Churches influences is least.
In fact, muslims follow him more than any body. Muslims grow beards, dresses full body, never worshipped idols, preaches peace and justice to others etc.
actually, those 2.3 billion people foolow the RELIGION OF EVIL like those money, materials, maya, movies, media, wine and women.