联合国：2025年中期世界经济形势与展望报告（英文版）

The world economy is at a precarious moment. Heightened trade tensions, along with policy uncertainty, have significantly weakened the global economic outlook for 2025. Higher tariffs—resulting in a significant increase in the effective tariff rate in the United States of America—are likely to strain global supply chains, drive up production costs and delay critical investment decisions, while also contributing to financial market volatility. Global economic growth is now projected to slow to 2.