Twenty one million that is, in terms of its population.
Working from assumptions based on population trends emerging from last year’s census, the Bureau of Statistics estimates that Australia’s population will reach 21,000,000 some time around 29 June: link
I wonder if we’ll all get a slice of cake?
You all need to start getting busy to beat out Canada. 
You Aussies will need one humungous key to the door, is what I’m thinking. Congrats!
The 21 million figure should be reached around 9.30 tonight (Friday). The Australian Bureau of Statistics’ population clock is getting very close to the magic figure: link
Newspapers are soliciting names of expectant mothers and possible immigrants to see if they can identify the 21 millionth Australian: link
Cool, we’ve just beaten Texas! 
And how many houses of parliament do we have? Seventeen, or something? :eek: