Data Dictionary
Cases include presumptive positive cases and probable cases, in accordance with CDC guidelines as of April 14.
Death totals in the US include confirmed and probable, in accordance with CDC guidelines as of April 14.
Data Granularity: County level - US; Province/State level - China, Canada, Australia; Country level - all other countries.
The names of locations included on the Website correspond with the official designations used by the International Organization for Standardization.
The New York State counties that make up New York City have been rolled up into a "New York, New York" location. To be explicit, this includes Richmond County (Staten Island), Kings County (Brooklyn), New York County (Manhattan), Bronx County (The Bronx), and Queens County (Queens). This was done as the raw data has rolled up all the boroughs into "New York", but counts that location at the county level.
As this site does not have statistics on COVID testing, it is advised to use the cumulative death counts per 100,000 folks to understand the trajectory of the disease in a particular location, especially if comparing across locations.
Data Sources
Raw data made available by Johns Hopkins Center for Systems Science and Engineering. Aggregated to 28 days worth of regional and global metrics by Terry Creamer (code).
Note that the metrics on the COVID-19 Dashboard by the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University and the metrics denoted here will, likely, not match. They should be within a few days of each other and fairly close. Updated daily shortly after Center for Systems Science and Engineering (CSSE) at Johns Hopkins University's updates.
Per capita calculations use the following population estimates generated from 2019 United States Census Department estimates for U.S. Counties and States, 2019 United Nations estimates for Countries, and aggregates for continents and Earth deduced from there. Province-level counts were captured for the following countries from the following sources their name is linked to: China (2018), Canada (July 2019), and Australia (June 2019). Continent and planet aggregates will underestimate populations because not all countries are included in the COVID data reports. They just aren't captured in the data that informs this website at this time either because they aren't reporting COVID data publicly or for other reasons.