Legislation is being amended so that every constituency has roughly the same number of voters — meaning anyone under 18 won't be considered in calculations.
Wall says the government will still represent everyone.
The premier says other provinces have gone further by considering only registered voters in boundary decisions.
But the Opposition NDP says the move is a step backwards.
Leader John Nilson says there was no public consultation about the change and it sends a message that young people don't count.