The FHOG was introduced in Australia in 2000, and offers a one-off lump sum to first home buyers to help them buy their first home.  There are other schemes in addition to the FHOG which vary from state to state, but most of them have the following conditions:
You must be over 18 years to apply
You must be an Australian citizen or permanent resident
You must be buying the home to live in, and move in within 12 months of purchase
You must not have previously owned a home in Australia
You must live in your new home for at least 12 months