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.

10 million deaths due to COVID-19 have gone unreported.
16.5K deaths were reported daily at the peak of the pandemic in January 2021.
50% of the world was fully vaccinated against COVID-19 at the end of 2021.
63% of those with long COVID during the first two years of the pandemic were female.

Interactive data visuals

Interactive Data Visual

COVID-19 vaccine hesitancy

View areas of the US that would benefit most from increased vaccination acceptance.

Interactive Data Visual

COVID-19 projections

Explore forecasts of demand for hospital services, reported and excess deaths due to COVID-19, rates of infection and testing, and the impact of social distancing and mask use.

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.

Supporting documents

Reference scenario estimates

80% mask use scenario estimates

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.  

See archive

Scientific Publication

Past SARS-CoV-2 infection protection against re-infection


Scientific Publication

Assessing COVID-19 pandemic policies and behaviours and their economic and educational trade-offs across US states from Jan 1, 2020, to July 31, 2022: an observational analysis

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.

Read policy briefings



FGH 2021: COVID-19

Disease spending profile for COVID-19, updated for the latest edition of the Financing Global Health report.


FGH 2020: COVID-19

Global health financing profile of 2020 spending on COVID-19.



Online EU-US conference on Long COVID

IHME faculty member Theo Vos presents on the research agenda for long COVID as part of the EU-US Conference on Long COVID.


Research!America: Strengthening Pandemic Communication and Response

Dr. Ashish Jha, Dean of Brown University School of Public Health and Christopher Murray, Professor & Chair, Health Metrics Sciences and Director, Institute for Health Metrics and Evaluation at the University of Washington discussed their respective roles in addressing COVID-19 and their observations and hopes for the future.