ocr: New Zealand is a single-chamber parliamentary democracy within the Commonwealth. The Cook Islands and Niue are self-governing territories. Main Political Issues Electoral reform New Zealand is to shift to a system of proportional representation at the next general election, due in 1996.Popular endorsement of electoral reform in a referendum in November 1993 retlects widespread disillusionment with the NP and LP, in particular over both parties' turnabout on electoral promises during the 1980s. The serman-style system, mixing constituency candidates with those identitied by party, will give a m ...