Democrat and Republican Party Switching 1964 - 2016

Red circles are former Democrats (Dem) switching to the Republican Party (GOP).
Blue circles are former Republicans (GOP) switching to the Democratic Party (Dem).

Dem to GOP

GOP to Dem

Notes: I excluded anyone that did not have a state listed where they were in politics or ran for office. The critera on the source Wiki page is a little subjective.
Source: Party switching in the United States
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