It's not just houses among gum trees on ¼ acre blocks under threat from the supposed death of the Australian Dream; a report shows man's best friend is also victim to a shift in where and how we live.

Dog and cat ownership is down across Australia, according to a report from the Australian Companion Animal Council that found high-density living, changing lifestyles and government legislation to blame.

A lack of open space is seeing a decline in pet ownership in Australia.

The ACAC paper found that in the past decade Australia's dog population has decreased by at least 14per cent and its cat population has dropped by about 10 per cent, as latest figures from the Australian Bureau of Statistics shows a decline in the rate of home ownership and rise human population.

Queensland figures from the Office of Economic and Statistical Research reflected the national downturn in pet ownership, with dog ownership in the state falling by 2.1 per cent from 2008 to 2010 as cats dropped by 1.4per cent.