 on the first ballot, an estimated 1,968 pledged delegates. If the convention is contested, meaning nobody wins a majority on the first ballot, and goes to a second ballot, automatic delegates, that is the superdelegates, are able to vote then, and a candidate must receive majority support from all delegates, that would be 2,258. Previously, superdelegates were able to vote on the first ballot, but that was changed in 2016.