Over 1 Billion Worldwide Unwilling to Take COVID-19 Vaccine

In the first full year of the COVID-19 pandemic, the majority of adults worldwide (68%) told Gallup that they would agree to be vaccinated if a coronavirus vaccine were available to them at no cost. However, like the global number, in most countries, the percentages fell short of the estimated 70% to 90% that some experts say would need to be vaccinated to achieve herd immunity in a population.