Usa Population 2024 In Billion Dollars. Population by one person every 24.2 seconds. The world population grew by 75 million people over the past year, and on new year's day it will stand at more than 8 billion people, according to figures released.

The current population of united states is 345,779,187 based on projections of the latest united nations data. In cbo’s projections, the u.s.