RCTab Use in the U.S.

Map of the U.S. showing the states and localities that have used or are currently using RCTab.

States without diagonal stripes are considered a "whole system" certification or approval, where RCTab was certified with a voting system vendor as a component of that vendor's voting system. Diagonal stripes indicate a standalone usage, which means that RCTab was certified or approved as an independent piece of software.
Source: Ranked Choice Voting Resource CenterGet the dataCreated with Datawrapper