Unsustainable rise

PAKISTAN’S population debate has seen moments of concern, followed by long stretches of inaction. The health minister has recently warned that the country could become the world’s fourth most populous nation within five years. This projection has huge implications and should dispel any remaining complacency. Already home to over 255m people, Pakistan is adding roughly 6.2m individuals every year, a figure larger than the entire population of some countries. It is...