Resources

This study investigates the reliability of Florida’s voter registration files through a phone survey, asking respondents to verify their records. Authors find 17.7% of registrants fail to verify at least one identifying piece of information.

This research develops and applies a method to estimate how many people voted twice in the 2012 presidential election. It estimates that about one in 4,000 voters cast two ballots, although an audit suggests that the true rate may be lower due to small errors in electronic vote records.

This research argues that local challenges remain when maintaining voters’ registration and voting history information, which undermines the quality of voter lists and the integrity of the electoral process. It analyzes Mississippi’s Statewide Election Management System (SEMS) records and finds that voter registration and voting history errors are linked to the county’s active and inactive registered voter rates and demographic characteristics.

This analysis focuses on whether counties that had previously been “covered” purged voters at a higher rate than noncovered counties after the coverage formula was struck down. It finds increases in purge rate of between 1.5 and 4.5 points in formerly covered jurisdictions post-Shelby, compared with counties that had not been subject to preclearance. Most of the increase came immediately, as the effect in 2014 is substantively and significantly higher than that in 2016.

In this paper, authors argue that risk limiting audits can verify tabulation of paper records but cannot by themselves ensure ballot marking device printouts reflect voter intent if voters do not verify them.

This report examines the tools state and local election officials use to maintain voter registration lists, which include Postal Service change of address forms and death records. Authors also review the Department of Justice’s (DOJ) efforts to ensure compliance with the National Voter Registration Act and address election fraud in 2001–2017. During this time, the DOJ's Voting Section investigated 99 alleged violations of the Act and filed 14 cases.

Verified Voting maintains and publicly available, searchable database documenting state laws, regulations, and procedures for post-election audits across U.S. jurisdictions.

The results of this study demonstrate that state online voter registration increases voter turnout. The difference-in-difference analysis shows that the states’ implementation of online voter registration increases the turnout of young voters by about 3 percentage points in presidential election years.

In this resource, Verified Voting explains why post-election audits of paper ballots provide evidence for election outcomes and opportunities to correct outcomes when needed.

This report evaluates possible risk limiting audit (RLA) methods for Rhode Island's statutory RLA program and recommends practical implementation approaches.

This report provides a step-by-step workbook for officials planning and conducting a ballot-comparison risk limiting audits, including planning templates and operational considerations.

This study assesses the impact of time and registration source on the rates of rejected voter registration applications by analyzing monthly county-level voter registration reports during the 2012 election cycle in Florida. It finds that there is a dynamic relationship between administrative and seasonal factors at the county level, which condition the rates of rejected voter registrations as the registration deadline approaches.