 It was inspired by the public interest in Five Billion Day on July 11, 1987, the approximate date on which the world's population reached five billion people.World Population Day aims to increase people's awareness on various population issues such as the importance of family planning, gender equality, poverty, maternal health and human rights.The day was suggested by Dr. K.C.Zachariah in which population reaches Five Billion when he worked as Sr Demographer at World Bank.