The leak, which was recently published, covers no less than 12 million documents obtained by the international journalistic network ICIJ.
Around 35 sitting and former heads of state are mentioned in the leak. The accusations vary from everything from corruption and money laundering to tax evasion.
The ICIJ has found links between nearly 1,000 companies in foreign tax havens and 336 top-level politicians and officials, including a number of government officials, ambassadors and diplomats.
In most countries, investing in assets abroad through so-called straw companies is not directly illegal. Nevertheless, the revelations are embarrassing and create headaches for leaders who have long fronted the fight against corruption in their home countries.
Real estate and tax havens
Russian President Vladimir Putin is not specifically mentioned in the leaks, but he is still linked to, among other things, a property in Monaco, acquired by a Russian woman who allegedly had a child with him.