World population day is celebrated on___________?
A. 11th June
B. 11th May
C. 11th July
D. None of these
World Population Day, which seeks to focus attention on the urgency and importance of population issues, was established by the then-Governing Council of the United Nations Development Programme in 1989, an outgrowth of the interest generated by the Day of Five Billion, which was observed on 11 July 1987.