The AHS Index is a new way to look at data that illuminates a snapshot of our world today. It is intended to highlight health inequities and spark conversation, debate, outrage, and wonder.

Percent of U.S. adults surveyed who intended to take part in dry January in 2023: 41%

        • Who managed to abstain from alcohol all month: 16%

Maximum number of drinks per week that U.S. health authorities recommend for men: 14

        • For women: 7

Maximum number of drinks per week that Canadian health authorities recommend, an 80 percent decrease from their previous guidelines: 2

Increase in the number of domestic holiday trips AAA projects American travelers took over this holiday season, compared to the previous year: 2.2%

Fatality risk for a person who takes a 500-mile flight every day for a year: 1/85,000

Fatality risk for a motorcyclist who travels 15 miles per day for a year: 1/860

Times more likely an unhoused person is to be struck and killed by a car in Alameda County, compared to the general population: 28

Percent of Americans who said they were not worried about getting COVID-19 over the holiday season, according to a survey conducted by KFF: 74%

Percent of Californians who tested positive for COVID-19 during the week of Dec. 31, 2023 to Jan. 6, 2024: 10.8%

        • Who tested positive for RSV: 9%
        • Who tested positive for the flu: 13%