2018 marks the 50th anniversary of the 1968 International Conference on Human Rights, where family planning was for the first time globally affirmed to be a human right. (Photo | AP)India is the second most populous country in the world, with a population of 1.2 billion. (Photo | AP)One of the aims of the United Nations, as part of World Population Day 2018, is to ensure easy accessibility and spread awareness about effective contraceptive methods. (Photo | AP)This picture shows Indian students hanging on the door of an overcrowded moving bus during the morning rush hour in Bangalore. (Photo | AP)Bangladesh ranks tenth most populous in the world, with an estimated population of 166 million. (Photo | AP)This picture shows Bangladeshi rickshaw pullers waiting in line for passengers in Dhaka. (Photo | AP)