Taiwan's Central Election Commission has warned that the number of ballots issued to each voter could rise sharply at future elections — a situation that arises when local elections coincide with multiple referendum questions.

Taiwan's local elections fill offices at several levels on a single day, from mayors of special municipalities and county magistrates down to councillors, township heads and village chiefs. Add referendum questions and a voter may receive around ten separate papers.

The commission's concerns are threefold: longer time inside polling stations producing queues, more ballots placed in the wrong boxes, and counts running deep into the night with the accompanying strain on staffing.

Similar problems have occurred before. In a year when elections and referendums were held together, queues at some stations continued past the official closing time, so that counting was already under way in the same area while voting continued.

The commission is considering stronger colour-coding of ballots, additional voting booths and more guidance staff. Separating referendum dates from election days would require legislative amendment and is a matter for the Legislative Yuan.

The burden falls hardest on overseas and elderly voters. Taiwan still requires citizens abroad to return home in order to vote, so procedural complexity directly shapes whether overseas nationals take part at all.