>78% of the people hospitalized for Covid-19 are overweight or obese

https://www.cdc.gov/nchs/fastats/obesity-overweight.htm

>Percent of adults aged 20 and over with overweight, including obesity: 73.6% (2017-2018)

Since COVID targets older people more often, this may match the adult population within these groups, as the population becomes more overweight each year and people get heavier and slightly shorter as they age.