Here in Australia, things are a little different. Our S&P/ASX 200 index already trades on a dividend yield of close to 5 per cent, no doubt boosted by the chunky yields of the big four banks, namely Australia and New Zealand Banking Group ( ASX: ANZ ), Commonwealth Bank of Australia ( ASX: CBA ), National Australia Bank ( ASX: NAB ) and Westpac Banking Corporation ( ASX: WBC ).