The Legislative Council has 15 members elected using preferential voting in 15 single-member electorates. Each electorate has approximately the same number of electors. A review of Legislative Council division boundaries is required every 9 years, the most recent was completed in 2017. Election of members in the Legislative Council are staggered. Elections alternate between three divisions in one year and in two divisions the next year. Elections take place on the first Saturday in May. The term of each MLC is six years.