Herald Sun | Census points to need for extra fed MP The Australian Population growth and movement is likely to boost the number of federal MPs to 151, a new study shows. A paper by the Parliamentary Library published on Tuesday predicted the number of seats in South Australia would be reduced by one to 10, and ... Census 2017: Lagging population growth to impact on South Australia's national representation 2016 Census Figures Cause Change to State Representation in House of Representatives |