A briefing paper on the cost of tax evasion worldwide, 2011.
- Total tax evasion in excess of US$3.1 trillion, or 5.1% of global GDP, is due to activity in the shadow economy.
- Only a minority part of this is due to tax havens.
- Total healthcare spending worldwide amounted to $5.7 trillion. Tax evasion cost, on average, 54.9% of healthcare spending.
- The unweighted average rate of tax evasion to healthcare spending is 110%.