World output will cool to 2.9% in 2025 and 2026 from 3.3% last year, the Paris-based OECD said in a report Tuesday, with the U.S. among the worst hit.

The OECD has slashed its annual global growth forecast today, warning that US President Donald Trump's tariffs blitz will stifle the world economy - hitting the US especially hard.

The OECD slashed its annual global growth forecast on Tuesday, warning that US President Donald Trump's tariffs blitz will stifle the world economy -- hitting the United States especially hard.While annual inflation is expected to "moderate" among the Group of 20 economies to 3.