As per caste census report released, population of Backward Classes is 3,54,63,936 which is 27.12 percent of total population of 13.07 crores of Bihar.
Similarly, population of Extremely Backward Classes(EBCs) is 4,70,80,514 which is 36.01 percent of the total population. Population of Scheduled Castes is 2,56,89,820, which is 19.65 percent of the total population while population of Scheduled Tributes (STs) is 21,99,361 which is 1.68 percent of total population of the state.Population of unreserved category is 2,02,91,679 which is 15.52 percent of total population of the state. (UNI)