The numbers you need

104 seconds

104 seconds

... is the time, on average, between each birth in Australia according to calculations by the Bureau of Statistics. The bureau also believes a death occurs, on average, every 212 seconds, while migration patterns deliver a net gain of one person every 139 seconds, thereby increasing Australia's population by one person every 83 seconds.

$1999

... is the averagecost of renting a house for a week in Port Hedland, Western Australia, during the March quarter. But with the mining boom now fading, rental prices in the iron ore export hub are following suit; the average rental there cost $2544 in the June 2012 quarter.

82 per cent

... is the proportion of Australian first home buyers with a mortgage who choose to buy an existing dwelling rather than a new one. The trend is strongest in Tasmania, where barely 5 per cent of buyers choose a new dwelling. Victoria and WA have the biggest tolerance for new homes, but even so, about three quarters of people choose an existing dwelling.