Roughly 2 out of every 5 family types will be couples without children in 2046, according to projections made by the Australian Bureau of Statistics.

That's compared to earlier data from the ABS, which projected 1 in 4 couples would be child free in 2029. 

Life Matters recently discussed the issue of parental regret, a huge taboo subject in our society.

But another taboo subject is couples choosing to be child free.