More than 1.84 billion vaccine doses have been administered worldwide, equal to 24 doses for every 100 people. There is already a stark gap between vaccination programs in different countries, with some yet to report a single dose.

The data is compiled from government sources by the Our World in Data project at the University of Oxford. A vaccinated person refers to someone who has received at least one dose of a vaccine, and a fully vaccinated person has received all required doses of a vaccine. For the Pfizer-BioNTech vaccine, a person who is “fully vaccinated” has received two doses.

While vaccine doses remain relatively scarce globally, most countries have focused their early vaccination efforts on priority groups like the clinically vulnerable; people in their 60s, 70s and older; and front-line workers, like doctors and nurses.

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