Around the world, diverse initiatives are being introduced to manage population changes.
Bangladesh has had one of the strongest and most successful national family planning initiatives in the world.
Selina Begum, 22, started walking from Rohingya settlements in Thyankhali camp to collect some relief goods with her two-year-old daughter yesterday.
Turkish President Recep Tayyip Erdogan has called on Muslims to reject contraception and have more children.
One of the Catholic Church's most senior prelates has said that birth control could "offer a solution" to the impacts of climate change.
