According to Provisional results of sixth population census, overall increase in population is______________ over the year 1981? / MCQs / Q&A, Pak Study / Affairs MCQs / Q&A / By admin According to Provisional results of sixth population census, overall increase in population is______________ over the year 1981? A. 146.6% (Correct) B. 155.6% C. 158.6% D. 165.6%