The top 0.1% of global wealth holders conceal $2.84 trillion in untaxed offshore assets-nearly double the combined GDP of the world’s 44 least-developed countries. According to Oxfam, this hidden fortune exceeds the total wealth of the poorest 4.1 billion people.
Christian Hallum, Oxfam’s tax lead, warned the system thrives on impunity, enabled by wealth managers who design elaborate tax evasion schemes. The top 0.01% alone control $1.77 trillion.
Despite the 2014 Common Reporting Standard, developing nations like Ghana face prohibitive costs-over $1 million-to access even basic data on their citizens’ offshore holdings. Reciprocity requirements block transparency.
Oxfam urges G7 nations to enact permanent wealth taxes and establish a global asset registry to expose shell companies and trusts. A UN-led tax framework, launched in 2025, aims to replace the OECD’s exclusionary model with inclusive cooperation.
In Europe, Greece loses 47% of corporate tax revenue to offshore havens-primarily Switzerland, Luxembourg, Cyprus, and the Channel Islands-followed by Germany at 29% and France at 16%.
Without structural reform, advocates warn, the offshore system will remain a safety valve for the elite-while public services crumble.