U.S. life expectancy fell by two years in 2020, according to the Centers for Disease Control and Prevention.

The CDC data shows that for people 15 and older, life expectancy fell from 78.8 years in 2019 to 77 years in 2020.

It's the largest single-year drop since World War II.

The top three leading causes of death were heart disease, cancer and COVID-19 (the first time it appeared on the list). 

African Americans and Latinos were hit the hardest. 

Death rates grew 43 percent for Latino males and 32 percent for Latino females, while the death rate for African-American males grew 28 percent and 25 percent for African-American females. Death rates among white males was 13 percent and 12 percent for white females. 

Experts said the data show that the impacts of the pandemic impacted overall health. Many were unable to undergo routine screenings and checkups due to increased COVID-19 risks. 

Deaths from diabetes also grew to 100,000 for the first time in 2020. Access to insulin has become more difficult in the U.S., with prices rising significantly in the last decade. 

One bright spot in the data was a decrease in infant mortality by 3 percent.

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