The 2011 New Zealand voting system referendum was a referendum held in conjunction with the 26 November 2011 general election to decide whether to retain the existing mixed member proportional (MMP) voting system, or to change to another voting system, in electing members of parliament to the New Zealand House of Representatives. The questions asked were: Part AShould New Zealand keep the Mixed Member Proportional (MMP) voting system? * I vote to keep the MMP voting system * I vote to change to another voting system