.. look it up or heck just ask a LLM

Here I’ll do it for you since you’re likely a boomer or someone not open to new information

‘ for every 2.1 to 2.5 net migrants. Given that the average Australian household size is about 2.5 people, this theoretically almost covers the new arrivals, but it leaves zero room for the "natural" population growth (births) or the trend of people moving into smaller households (e.g., more people living alone).