According to UNFPA, the United Nations Population Fund, Pakistan has now officially become the world's fifth most populous country. In almost eight decades, its population has risen from a meagre 33.7 million to a Herculean 255 million, divided between four provinces: Sindh, Balochistan, Punjab and Khyber-Pakhtunkhwa, along with the federally administered Islamabad Capital Territory. The population census does not include Azad Kashmir and Gilgit-Baltistan.

Rapid population growth in........

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