The following are some of the headline figures presented by campaigners calling for more to be done by the world's leading economies against financial inequality.
Developing countries lose a trillion dollars a year to tax evasion, embezzlement and money laundering.
Corruption wipes an estimated 5 per cent off the world's economic production.
- By turnover, corruption would be the world's third-largest industry.
- Twenty to 25 per cent of public money put into tendered projects is lost to corruption.
- Only an estimated 1 per cent of cases of corruption, money laundering or tax avoidance is ever uncovered.
- The majority of dummy front companies are registered in G20 countries.
- Around 20 trillion dollars are held in bank accounts in tax havens, including 3.2 trillion from developing countries.
- Increased transparency could pull back up to 13 trillion dollars into the world economy by 2019, which would alone achieve the G20's growth target.