This idea, championed by Brazil, France and other nations, aims to reduce economic inequality by targeting the global billionaires.
Yellen emphasized that while the U.S. supports progressive taxation, it cannot back a worldwide initiative of this nature, as reported by the Wall Street Journal.
“We’re not supportive of a process to try to achieve that. That’s something we can’t sign on to,” she said.
As the leader of the Group of 20 major economies, Brazil has urged the group to develop a unified approach to taxing extremely wealthy individuals who often relocate their funds to low-tax jurisdictions.