Nation's $1.5 trillion in super assets the fourth largest AUSTRALIA'S $1.5 trillion ($US1.555 trillion) superannuation fund pool is now the fourth-largest in the world, according to the latest Towers Watson Global Pension Assets study. The nation's total superannuation market, now bigger than the Australian economy, compares with the $US16.8 trillion in pension fund assets in the US, $US3.7 trillion in Japan and $US2.7 trillion in Britain. It is just ahead of the $US1.48 trillion market in Canada.