Neither of Australia’s two main political parties believes population is an issue worth discussion, and neither currently has a policy about it. The Greens think population is an issue, but can’t come at actually suggesting a target.
Even those who acknowledge that numbers are relevant are often quick to say that it’s our consumption patterns, and not our population size, that really matter when we talk about environmental impact. But common sense, not to mention the laws of physics, says that size and scale matter, especially on a finite planet.
In the meantime the nation has a bipartisan default population policy, which is one of rapid growth. This is in response to the demands of what is effectively a coalition of major corporate players and lobby groups.