Here is an ER diagram for a voting system used in an election. Online voting systems are software platforms used to conduct votes and elections securely. As a digital platform, they eliminate the need to vote in person. This ER diagram for the election voting system represents the entity model of the voting management system. The voting management system entity relationship diagram depicts all of the visual instruments of database tables and the relationships between citizens, voting center, vote, candidate, etc. It manages multiple ballots as well as voter groups. Multiple voting options are supported for each voting entity, including Voting, Voting Option, Voting Status, Voter, Voter Vote, Voter Group, and Allowed Voter Group.