December 2020 Summary Statistics

Like I did with the months of March, April, May, June, July, August, September, October, and November, I will present some summary statistics which can explain the trends that we observed during the month of December 2020.


Total Case Growth
Total cases on 30 November: 182,315
Total cases on 31 December: 251,502
Total case increase: 69,187

Smallest daily case increase: 1,624 (3 December)
Largest daily case increase: 2,746 (12 December)

Median daily growth rate: 0.81% 

















Total Fatality Growth
Total fatalities on 30 November: 4,111
Total fatalities on 31 December: 4,734
Total fatality increase: 623

Smallest daily fatality increase: 8 (14 & 21 December)
Largest daily fatality increase: 42 (30 December)

Median daily growth rate: 0.4%





State-Level Shares for December 2020

Median share of regional cases for Maryland: 47%
Median share of regional fatalities for Maryland: 53%
Maryland share of DC metropolitan-area population: 42%

Median share of regional cases for DC: 12%
Median share of regional fatalities for DC: 17%
DC share of DC metropolitan-area population: 13%

Median share of regional cases for Virginia: 41%
Median share of regional fatalities for Virginia: 31%
Virginia share of DC metropolitan-area population: 45%






Population-adjusted statistics, per 1,000 of population (data as of 31 December)
MD cases: 49.650
MD fatalities: 1.062

DC cases: 41.643
DC fatalities: 1.122

VA cases: 41.289
VA fatalities: 0.563




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