President Donald Trump’s turbulent tariffs are projected to cause a sharper slowdown in economic growth in the U.S. than expected.

The world economy will lose pace this year, hamstrung by uncertainty stemming from whipsawing U.S. trade policy, according to OECD forecasts.

The OECD said this morning that it was slashing its growth forecast for the US, as it warned that President Donald Trump’s trade war will sap momentum from most major economies. The global economy as a whole is heading into its weakest period of growth since the Covid-19 pandemic,