Mayoritas penduduk di India beragama [[Hindu]] 7977,8%, [[Islam]] 14,23%, [[Kristen]] 24,30%, [[Sikh]] 1,72%, dan sisanya [[Buddha]] 0,70%, [[Jain]] 0,36%, dan lainnya{{efn|name=remaining religions}} (0,9%).<ref name="Census2011religion">{{cite web|url=http://www.censusindia.gov.in/2011census/C-01/DDW00C-01%20MDDS.XLS |title=C −1 Population by religious community – 2011 |publisher=Office of the Registrar General & Census Commissioner |accessdate=25 August 2015 |deadurl=yes |archiveurl=https://web.archive.org/web/20150825155850/http://www.censusindia.gov.in/2011census/C-01/DDW00C-01%20MDDS.XLS |archivedate=25 August 2015 |df= }}</ref>. [[Sensus Penduduk India Tahun 2011]] menunjukkan, jumlah penduduk India sudah mencapai 1,2 Milyar penduduk.
