Question

The percentage of eligible voters who cast their vote in an election.
Which term is used for it ???

Answer 1

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━━━━━━━━━━━━━━━━━━━Voter turnout on Tuesday was massive: More than 47 percent of the voting-eligible population cast a ballot in the midterm elections on Tuesday, according to early estimates from the United States Election Project.
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Answer 2

Voter's Turnout is the term