Coronavirus pandemic: daily updated research and data.
Read more

Total COVID-19 tests conducted vs. Confirmed cases per million

Both measures are shown per million people of the country's population.

Source: Tests: official data collated by Our World in Data. Confirmed cases: Johns Hopkins University CSSE

Note: Comparisons of testing data across countries are affected by differences in the way the data are reported. Details can be found at our Testing Dataset page.