Princeton Election Consortium

Innovations in democracy since 2004

Oct 21: Biden 353 EV (D+5.2% from toss-up), Senate 53 D, 47 R (D+5.1%), House control D+5.0%
Moneyball states: President NV AZ PA, Senate AK MT IA, Legislatures KS TX NC

Doubling Time of Coronavirus Deaths and Pandemic Control

These graphs update automatically every day. Explanation and comment thread: see this April 2nd, 2020 post. -Sam Wang

How will we know the coronavirus epidemic is slowing? One of the least-biased measures is how long it takes for total deaths to double. “Doubling times” of longer than 3 days indicate that shelter-in-place is starting to work and/or someday the virus is spreading less efficiently.

To see a larger version of each graph, right-click and view the image.

Doubling-times by U.S. geographic region
Doubling time of deaths by region

 

Doubling-times in individual geographic region
Doubling time of deaths by region

Doubling time of deaths by region

Doubling time of deaths by region

Doubling time of deaths by region

Doubling time of deaths by region

Doubling time of deaths by region

Doubling time of deaths by region

 

Doubling times in selected individual states
Doubling time of deaths by state

 

Doubling-time trends around the world

Doubling time of deaths in nations
Thanks to Ben Deverett for designing the plots, Lucas Manning for implementing the pipeline, and Johns Hopkins University and health authorities worldwide for the data. GitHub: https://github.com/Princeton-Election-Consortium/covid-19