Kerala is the thirteenth most populous state of India and has a diverse population of many religions & communities. At the census 2011, out of 3.34 Crore population, around 1.82 crores (54.73%) have returned themselves as followers of Hindu religion, 88.73 lakhs (26.56%) as Muslims or the followers of Islam and 61.41 Lakhs (18.38%) as Christians. In addition 0.26% Stated as no religion & 0.05% are other religions.
Source: Census 2011
also read Population of Kerala