Well, here's the result of a U.S. poll. It was taken before Delta's full ravages were felt.
"The COVID States Project, a polling consortium out of Northeastern, Harvard, Rutgers and Northwestern universities, found in a June/July poll that 64 percent of Americans approved of the government requiring everyone to get a COVID-19 vaccine. All but three states (North Dakota, South Dakota and Wyoming) had a majority in favor of mandatory vaccines."
https://fivethirtyeight.com/features/americans-are-in-favor-of-vaccine-mandates-but-support-is-driven-mainly-by-those-who-have-already-gotten-the-jab/