Year Total population Muslim population Percentage 1951 361,088,090 35,856,047 9.9% 1961 439,234,771 46,998,120 10.7% 1971 548,159,652 61,448,696 11.2% 1981* 683,329,097 77,557,852 11.4% 1991** 846,427,039 102,586,957 12.1% 2001 1,028,737,436 138,159,437 13.4% 2011 1,210,726,932 172,245,158 14.2%