On average, people in Sydney earn around 67,860 AUD (50,531.27 USD) annually or around 5,000 AUD (3,723.20 USD) monthly. This amount of income can afford you a decent living expense in Sydney.If you want to afford a more comfortable lifestyle, you need to earn around 6,000 AUD (4,467.84 USD) a month. This monthly income can afford you a studio apartment and other monthly expenses.