Which parts of the world have the fastest growing populations?

The 10 countries that will contribute most to the world's population growth over the next 30 years are India, Nigeria, Pakistan, the United States, Tanzania, Ethiopia, the Democratic Republic of Congo, Bangladesh, Indonesia, and Uganda in that order.

The world's population is soaring, and some cities, such as New Delhi, India, are crowded with millions of people. China and India are home to over a third of our planet's population.