In which region is christianity most widely practiced?

Christianity is most widely practiced in Rome and Russia

Explanation:

Christianity is most extensively prevalent faith and about forty percent of the world’ populaces have embraced Christianity. Mainstream Christians were found in Rome and Russia.  

North and South America, most of the Europe, Sub Saharan Africa and considered as a minority religion in parts of Asia. Christianity believes in the monotheistic philosophy stating that it has only one God.  

They believe in mystics and Jesus is the savior of Christians all over the world. Lord Jesus’ teachings were fervidly practiced by all Christian communities.

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