Commonwealth Treasury secretary Jenny Wilkinson says the average top income earner benefited from the existing investment tax arrangements to the tune of $700,000 over their lifetime, versus just $5,700 for median income earners.

But the top 1 per cent of income earners would lose about $400,000 worth of tax concessions over their lifetime, Treasury secretary Jenny Wilkinson revealed on Thursday.

If Labor’s proposed tax changes had been in place for the past 25 years, top earners would have lost tax breaks worth hundreds of thousands, according to Treasury secretary Jenny…

Commonwealth Treasury secretary Jenny Wilkinson says the average top income earner benefited from the existing investment tax arrangements to the tune of $700,000 over their…