Financial assets fuel higher household wealth 26 June 2015 4:06PM John Kavanagh Despite all the hype about a residential property bubble, financial assets have been the big driver of Australia's household wealth so far this year.The latest Australian Bureau of Statistics household wealth figures show that household net worth stood at A$8.1 trillion at the end of the March quarter - up from $7.8 trillion in the December quarter.The 2.9 per cent increase in net worth over the quarter was driven by a 2.2 per cent increase in the value of land and dwellings to $5.4 trillion, a 0.8 per cent increase in "other non-financial assets" to $629 billion and a four per cent increase in financial assets to $4.1 trillion.Superannuation and shares were the main components of growth in financial assets over the quarter.The ABS said household net worth had grown consistently over the past eight quarters.Liabilities rose 1.4 per cent during the quarter to $2.1 trillion. The interest-to-income ratio rose from 10.5 per cent in December to 11.1 per cent in March. The ABS said the ratio tends to be volatile and has been trending down since 2010.The ratio of mortgage debt to the value of residential land and dwellings was unchanged at 29.2 per cent. It has come down from a peak of 30.6 per cent in September 2012.Household net savings was $16.4 billion in the March quarter - down from $22.8 billion in the December quarter.