COVID-19 was first identified in December 2019 and was declared a global pandemic within months. While research on the disease and its outcomes is still in relatively early stages, the pandemic set off an unprecedented level of scientific collaboration and discovery.
Photo by Reuters/Alisha Jucevic.
Interactive data visuals
Download our COVID-19 estimates
View the data from our last round of regular estimates and projections for cases, hospitalizations, and deaths due to COVID-19, published in December, 2022.
- Data dictionary (5.8 KB)
- Data release information sheet (555 KB)
- Checksum (sha-256) (1.5 KB)
- Data sources (182 KB)
Reference scenario estimates
- Reference scenario 2020 (68.4 MB)
- Reference scenario 2021 (103.7 MB)
- Reference scenario 2022 (105.4 MB)
- Reference scenario 2023 (25.3 MB)
80% mask use scenario estimates
- 80% mask use scenario 2020 (68.6 MB)
- 80% mask use scenario 2021 (103.8 MB)
- 80% mask use scenario 2022 (105.5 MB)
- 80% mask use scenario 2023 (25.1 MB)
Antiviral access scenario estimates
Download past estimates
As the pandemic unfolded from 2020 to 2022, we updated our estimates frequently to account for new information and improved methodology. With each update, we also adjusted our estimates for past dates to make them as accurate as possible. These archival files provide a snapshot of our estimates at different moments in time.
COVID-19 policy briefings by country
Policy briefings summarize improvements to the model, the current COVID-19 situation, trends in drivers of transmission, and future projections globally, in each of the WHO regions, at the country level, and in US states.