What happens if a MP leaves parliament? Do they get replaced?

Yes, you’re right! If a member of the House of Representatives dies or resigns between federal elections, they will be replaced in a by-election. A by-election is a mini-election for one or more seats in the House of Representatives.

A white hand is putting a green piece of paper in a white box labelled 'House of Representatives/GREEN/Ballot Papers'

Casting a vote for the House of Representatives.

Australian Electoral Commission

Casting a vote for the House of Representatives.

A white hand is putting a green piece of paper in a white box labelled 'House of Representatives/GREEN/Ballot Papers'

Australian Electoral Commission

Description

A green ballot paper is put into a ballot box labelled 'House of Representatives/GREEN/Ballot Papers'.