The glimpse inside every household will reveal family and housing trends, including affordability pressures, living preferences and internal population movements. "That last census gave us an incredible picture of what was happening at that moment. RELATEDThe ABS snapshot, combined with other data, provides the most robust understanding of aggregate housing affordability pressures, Dr Perugia said. She highlighted how the previous censuses have revealed the growing number of older Australians entering retirement while still holding a mortgage or facing possible housing insecurity. "Everyone's watching total population … I'm watching a quieter number that matters more.