Recent electoral rule changes tightening the enrolment deadline to October 25 and restricting same-day registration have raised concerns about reduced participation, particularly among youth where enrolment sits at 53% and Māori voters on the Māori roll. These factors contribute to trader focus on the 76-82% range, as campaigns like "On A Roll" push youth enrolment while economic pressures including high youth unemployment may either boost engagement or suppress it. Advance voting begins October 26 in a closely contested race with rising minor-party support, creating uncertainty around final turnout relative to the 2023 benchmark.