World population starts new year at over eight billion people

Despite substantial growth, the U.S. is on track for its slowest-growing decade.

The world population has grown by 75 million people in the past year, reaching over 8 billion people as of January 1, according to data released by the U.S. Census Bureau.

While the global population has increased, the growth rate is slowing down in the United States. 


Driving the news: The last year’s global growth rate was under 1%, with an estimated 4.3 births and two deaths occurring worldwide every second.

  • For the United States, the growth rate in the past year was 0.53%, approximately half of the global figure. 
  • The U.S. added 1.7 million people, bringing its population to 335.8 million people. 
  • Continuing along this path, the 2020s could be the slowest-growing decade in U.S. history if the rate comes in around four percent. 
  • The 1930s was the slowest-growing decade on record at 7.3 percent. 
  • By the start of 2024, the United States is projected to have one birth every nine seconds, one death every 9.5 seconds, and gain one person through net international migration every 28.3 seconds.
  • When accounting for births, deaths, and net international migration, the U.S. population is estimated to increase by one person every 24.2 seconds.
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