"Turnout figures" refers to the number or percentage of people who showed up or participated in a particular event, such as an election, meeting, or gathering. Full definition
In an effort to prove his point, he pointed to low voter turnout figures in primaries in recent years. (brooklyneagle.com)
In practice, the liberty to vote in any place in the country means turnout figures are not very meaningful anymore except on a national basis. (politics.stackexchange.com)
I arrived at these figures by taking a weighted average of the revised vote shares in each seat, weighted by the revised turnout figures. (marriott-stats.com)