Pakistan is now the ________ most populous nation in the world. Its growth rate is 2.4% per annum.

A. 4th
B. 5th
C. 8th
D. 10th

According to Dawn news articles, “Pakistan is now the fifth most populous nation in the world. With a disturbingly high growth rate of 2.4% per annum, four to five million children are added to the existing numbers every year. At this pace, we are likely to have around 300m people by 2030.”