The amount of untaxed wealth hidden offshore by the richest 0.1 percent exceeds the entire wealth of the poorest half of humanity (4.1 billion people), reveals new Oxfam analysis published today ahead of the 10th anniversary of the Panama Papers. The findings show that, a decade later, the super-rich continue to exploit offshore systems to evade taxes and conceal assets, highlighting the urgent need for coordinated international action to tax extreme wealth and end the use of tax havens.