We use this data for its reliability, its consistent methods, and because it makes our work much easier (see below for more information). The population estimates we use come from the United Nations World Population Prospects.

The official data uses a different population estimate.

For this reason, we always use the total population of the country (i.e. Our priority is to make our data comparable between countries - regardless of criteria for eligibility, which tend to vary across countries and across time.

The official data reports the vaccination coverage in terms of the share of people vaccinated in the population eligible for vaccination (very often, among adults only).

This usually happens for two main reasons: Most often it is not because of the numerator (number of people vaccinated) but instead because of the denominator (number of people in the population).

In some cases, the vaccination figures on this page can look different from the ones reported by governments. Why do the figures displayed on this page look different from the ones published by my government? You find the vaccination data in our daily-updated repository on GitHub.

Open access: as with all of our data, we are making this dataset openly available, so that everyone can check and use the data that we bring together.

Data sources: at the end of this page you find a detailed list of all our country-specific sources.

It is updated each morning, with the most recent official numbers up to the previous day. To track this effort we at Our World in Data are building the international vaccination dataset that we make available on this page.

It will be key that people in all countries - not just in rich countries - receive the required protection. Now the challenge is to make these vaccines available to people around the world. Within less than 12 months after the beginning of the pandemic, several research teams rose to the challenge and developed vaccines that protect from SARS-CoV-2. Vaccines are a technology that humanity has often relied on in the past to bring down the death toll of infectious diseases. The safest way to achieve this is with a vaccine.

To bring this pandemic to an end, a large share of the world needs to be immune to the virus. The Our World in Data COVID vaccination data

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