Just finished analysing my expenses for 2014.
Core living expenses (amenities, groceries, transport, accommodation overheads, pets, medical and dental) for a household of four adults came in at $23K (net of $8K housekeeping contributions from our two adult children still living with us). Discretionary spending (alcohol, entertainment, dining out, clothing, miscellaneous, gifts, phone and computer upgrades) for the wife and I was another $9K. Holidays were $8K and included going OS, a long weekender in Melbourne and a long road trip to the red centre. Finally, we had solar power installed for $7K, which is a bit extravagant but should pay itself back with electricity consumption savings over the next 7-10 years.
So all up we spent $47K, more than half of which was for wants, not needs. As I've said before in this thread, $58K is a luxurous amount of income for our lifestyle.
Some may criticise me for taking household contributions from my kids, but they're both adults, earning good income through employment and are comparable consumers of household services. I've always believed in taking responsibility for your own life and paying ones way when you should. I cringe when I hear of kids still sponging off their parents well after they enter their 20's and their parents being in a poorer financial position as a result. The old saying 'catch a man a fish, you feed him for a day; teach a man to fish, he feeds himself for life' comes to mind with this. Case in point, my eldest (23) moves into his own unit next month, with 40% equity down and a goal to pay it off within 5 years.