It's probably one that isn't being addressed: The birth rate.
"The current birth rate for Australia in 2022 is 12.244 births per 1000 people, a 1.28% decline from 2021. The birth rate for Australia in 2021 was 12.403 births per 1000 people, a 1.26% decline from 2020. The birth rate for Australia in 2020 was 12.561 births per 1000 people, a 1.25% decline from 2019."
Reaper.
