Number of tiers
New Zealand
Answer
3
Source
Official website of the Electoral Commission, http://www.elections.org.nz/voting/mmp/mixed-member-proportional-mmp-electoral-system.html
Comment
Electors have two votes: a ‘Constituency Vote’ for apreferred local candidate, and a ‘Party Vote’ for a political party.
The third tier is for Maori constituencies that use only FPTP
