voter; constituent; elector
General term for a person who votes in an election. Used in both domestic and international contexts.
Voters cast their ballots at the polling station.
Many constituents are demanding a change in policy.
presidential elector (US); member of the Electoral College
Specifically refers to a member of the U.S. Electoral College who formally elects the president and vice president.
In the United States, electors formally choose the president.
Once you turn 18, you are registered as an elector.
The Electoral College elects the president.
voter registration