National Shelter, Community Sector Banking and SGS have released the Rental Affordability Index (RAI) on a biannual basis since 2015. The RAI is a price index for housing rental markets. It is an easy to understand indicator of rental affordability relative to household incomes and is applied to geographic areas across Australia. This report has been prepared in support of the fifth RAI release. To better illustrate the situation for vulnerable groups, this release continues to assess the rental affordability situation for eight Australian household types, with a focus on aged and key worker cohorts.