Pennsylvania Voter Registration Data Analysis

For anyone wishing to replicate this work, the Pennsylvania Voter Registration data may be obtained by filling out this form and submitting it as instructed. Snapshots dating back to 2012 may be ordered. If you write the date(s) of interest on the form you will be sent the snapshot that is closest in date. Snapshots are archived weekly.

The data snapshots used for this analysis have dates of:
2016-04-04
2016-08-15
2016-11-07
2016-11-28
2017-02-27
2017-07-31

For background on voter registration database vulnerabilities please read my Medium article “Voter Data and Election Integrity“.

A full analysis by @kottipillar is here.

How much of an effect did these registration changes have on the outcome of the election? It’s hard to know for sure. Read my interview with a Pennsylvania election judge and draw your own conclusions.