Post-apartheid South Africa uses a list system of proportional representation (PR) and it has had various coalitions since 1994.

ECONOMIST: Lessons from abroad: Learning how to share | The

The way the chamber of deputies is formed - by an open-list proportional representation system - makes it easier for celebrity candidates to win office.

BBC: Brazilian clown Tiririca takes elected seat in congress

The election is based on a proportional representation system that requires voters to select a party's list of candidates rather than one specific individual.

CNN: Iraqi Kurds head to the polls