Question

What was world population at the beginning of the 21^st century?

विकल्प

• 4 billion

• 6 billion

• 8 billion

• 10 billion

Answer 1

6 billion

Explanation:

At the start of our era, there were between 200 and 300 million people, which was slightly more than 750 million in 1750. According to UN data, there are 7.419 million people in the world today (in 2016).