Personal wealth grew faster in Australia than in any other developed country in the five years to the end of 2006, according to a Boston Consulting Group report.
The country boasted were 25,000 more millionaire households - defined as those with at least US$1 million in assets undermanagement - the number leaping from 110,000 in 2005 to 135,000 last year.
Much of the new wealth was amassed as a result of Australia's compulsory superannuation system, the report found.
Personal wealth measured in US dollars increased by 19.1 per cent a year in Australia over the period. That was more than double the increase in the global average of 8.6 per cent annually.
The BCG report measures and analyses trends in personal wealth in 62 countries. Personal wealth is defined as personal assets under management, including listed securities held directly or indirectly through managed investments, cash deposits and money market funds.
It excludes investors' own businesses, residences or luxury goods.
Australia ranked seventh among all countries - behind only the rapidly developing economies of China on 23.4 per cent and Brazil on 22.4 per cent.
Next came the European quartet, of Hungary on 22.3 per cent, Poland on 22.1 per cent, Slovakia on 22.0 per cent and the Czech Republic on 19.9 per cent.
