The Centers for Disease Control and Prevention has announced the largest increase in the infant mortality rate in the U.S. in two decades. According to the report released Wednesday, Nov. 1, the infant mortality rate in the U.S. rose 3% in 2022, after declining for years, with researchers not yet sure if it’s the start of a future trend.

19,928 infant deaths in 2021
20,538 infant deaths in 2022

The CDC said white and Native American infants, infant boys, and babies born at 37 weeks or earlier saw significant death increases.