A sweeping review into the country's electoral system recommends a shake-up of MMP is needed to create a fairer and more accessible democracy.

This draft report has recommended the 5 percent threshold to get into Parliament be lowered to 3.5 percent, the voting age to be lowered to 16 and a public referendum on a longer Parliamentary term.

The Opportunities Party leader Raf Manji thinks the threshold should be lowered, because it's extremely difficult for smaller parties to break into Parliament without a seat.

"We think the threshold should be lowered, and I think it's important for a vibrant democracy."

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