The world's population is growing faster than we thought. According to a new report by the Population Reference Bureau (PRB), the world's population could swell to 9.9 billion by 2050.

See the source article by following the link below:
The world's population is growing faster than we thought. According to a new report by the Population Reference Bureau (PRB), the world's population could swell to 9.9 billion by 2050.