Answer:
B. number 2 (China) and number 7 (India)
Step-by-step explanation:
There are only two countries which population overpases one billion people: China and India. In fact Chinese population by itself represents the 18.2% of the global population, India represents the 17.5%. The global population is around the 7.7 billion people.
In total:
- Chinese population is 1,395,190,000
- India's population is 1,339, 590,000 and is spected to continue growing in the upcoming years reachin 1.6 billion by 2050.