December 31, 2023 - As the nation prepares to ring in the new year, the U.S. Census Bureau projects the U.S. population will be 335,893,238 at midnight 
EST, on Jan. 1, 2024. This represents an increase of 1,759,535 (0.53%) from Jan. 1, 2023, and 4,443,957 (1.34%) from Census Day (April 1) 2020.
In January 2024, the United States is expected to experience one birth every 9.0 seconds and one death every 9.5 seconds. Meanwhile, net international migration is expected to add one person to the U.S. population every 28.3 seconds. The combination of births, deaths and net international migration increases the U.S. population by one person every 24.2 seconds.
The projected world population on Jan. 1, 2024, is 8,019,876,189, an increase of 75,162,541 (0.95%) from New Year’s Day 2023. During January 2024, 4.3 births and 2.0 deaths are expected worldwide every second.
The Census Bureau’s Population Clock displays simulated real-time growth of the U.S. and world populations
Source: U.S. Census Bureau
