turnout
noun [ C ] uk/ˈtɜːn.aʊt/ us/ˈtɝːn.aʊt/
到场人数;（尤指）投票人数
the number of people who are present at an event, especially the number who go to vote at an election
Good weather on polling day should ensure a good turnout. 投票日天气好应该能让相当多的人来投票。