now ▁known ▁as ▁the ▁National s ) ▁and ▁the ▁more ▁recent ▁Liberal ▁Party . ▁ ▁The ▁principle ▁of ▁ens uring ▁that ▁rural ▁regions , ▁which ▁typically ▁represented ▁the ▁land ed ▁gent ry ▁when ▁Victoria ▁first ▁formed , ▁were ▁over - re present ed ▁in ▁parliament ▁was ▁also ▁res c ind ed . ▁One - man - one ▁vote ▁was ▁adopted ▁in ▁ 1 8 9 9 ▁in ▁the ▁Legisl ative ▁Assembly , ▁and ▁expanded ▁to ▁the ▁Legisl ative ▁Council ▁in ▁ 1 9 3 7 . ▁We alth ▁requirements ▁for ▁voting ▁in ▁the ▁Legisl ative ▁Assembly ▁were ▁removed ▁in ▁ 1 8 5 7 , ▁but ▁this ▁reform ▁was ▁not ▁made ▁to ▁the ▁Legisl ative ▁Council ▁until ▁ 1 9 5 0 . ▁Furthermore , ▁the ▁method ▁of ▁voting ▁was ▁changed ; ▁first - p ast - the - post ▁voting ▁was ▁replaced ▁with ▁prefer ential ▁voting ▁for ▁the ▁Legisl ative ▁Assembly ▁in ▁ 1 9 1 1 ▁and ▁comp uls ory ▁voting ▁introduced ▁in ▁ 1 9 2 3 . ▁Meanwhile , ▁the ▁prefer ential ▁voting ▁was ▁used ▁for ▁elections ▁to ▁the ▁Legisl ative ▁Council ▁from ▁ 1 9 2 1 , ▁and ▁elections ▁made ▁comp uls ory ▁in ▁ 1 9 3 5 . ▁ ▁V oting ▁was ▁further ▁expanded ▁in ▁ 1 9 7 3 , ▁when ▁the ▁voting ▁age ▁was ▁lower ed ▁from ▁ 2 1 ▁to ▁ 1 8 . ▁The ▁minimum ▁age ▁for ▁membership ▁of ▁either ▁house ▁was ▁also ▁lower ed ▁to ▁ 1 8 . ▁