While housing costs continue to rise, wages have stagnated, leaving many contemplating a debt-filled future retirement.
Young people are living with their parents longer; those that aren't are suffering greater mortgage stress.
The trends are showing in the latest Household Income and Labour Dynamics in Australia (HILDA) national survey.
The University of Melbourne survey has been running since 2001 and follows the same group of people to assess how their lives are changing.
The survey shows Australian attitudes are changing towards a variety of social issues, such as marriage and parenting.
It also finds almost 40 per cent of adults gamble at least once a month, mostly on lottery games.