The best proportional representation (PR) system is a twist on party-list voting known as mixed-member PR, or MMP for short.
MMP has voters select both a candidate in their local district and a party they’d like to win a majority.
Everyone who wins a district gets a seat, and then additional seats are given out to ensure that parties are represented in proportion to their share of the party vote. This has a number of advantages.
via 3 reasons why New Zealand has the best-designed government in the world – Vox.