As on January 1, 2022, what is the estimated population of the world, as per the US Census Bureau?

Question

Accepted Answer

7.8 billion. C is correct because the US Census Bureau estimated the world population to be around 7.8 billion as of January 1, 2022. A is incorrect because this figure is too low for that date. B is incorrect because this figure is also significantly lower than the actual estimate. D is incorrect because this figure is much higher than the reported estimate.