Year Total population Muslim population Percentage 1951 361,088,090 35,856,047 9.93% 1961 439,234,771 46,998,120 10.70% 1971 548,159,652 61,448,696 11.21% 1981* 683,329,097 77,557,852 11.35% 1991** 846,427,039 102,586,957 12.12% 2001 1,028,737,436 138,159,437 13.43% 2011 1,210,726,932 172,245,158[2] 14.23%