This document provides an overview of homelessness and homelessness systems in Australia. It defines different types of homelessness and notes that there is no agreed definition of chronic homelessness. It describes the mainstream systems that provide support for homeless people, including no right to housing but rights to universal health care and income support. It outlines the structure of homeless assistance systems, which are mostly non-profit and deliver social housing, hostels, and other services. Key programs that have been implemented over time are described, including SAAP and the reforms outlined in the 2008 White Paper on homelessness. Current strategies and new approaches aimed at reducing and preventing homelessness are also summarized.