The projected world population on January 1, 2025, is 8,092,034,511, an increase of 71,178,087 (0.89%) from New Year's Day 2024, US Census Bureau estimates show. During January 2025, 4.2 births and 2.0 deaths are expected worldwide every second. The US grew by 2.6 million people in 2024, and the US population on New Year's Day will be 341 million people.