Labor MP Tim Hammond is resigning from federal parliament because of the toll it has taken on his family.
His exit ahead of the next federal election will prompt a by-election in the West Australian seat of Perth.
The MP was first elected in 2016 and said it was an incredible privilege to sit on the benches in Canberra.
“But as much as I have tried desperately, I just cannot reconcile my life as a Federal Member of Parliament with being the father I need – and want – to be to my three children,” he said in a statement on Wednesday.
Mr Hammond has a six-year-old daughter, a two-and-a-half-year-old daughter and a six-month-old son.