IMF World Economic Outlook Database

世界经济展望数据库是国际货币基金组织(IMF)发布的宏观经济数据库，包含全球、主要国家集团和许多单个国家的经济分析和预测数据。数据库涵盖国民账户、通胀、失业率、国际收支、财政指标、贸易和商品价格等指标，数据时间跨度从1980年至今，并提供未来两年的预测数据。该数据库每年在4月和9月/10月更新，是研究全球经济的重要数据来源。

The World Economic Outlook (WEO) Database is a macroeconomic database published by the International Monetary Fund (IMF). It contains economic analysis and forecast data for the global economy, major country groups and numerous individual economies. The database covers a wide range of indicators including national accounts, inflation, unemployment rate, balance of payments, fiscal indicators, trade and commodity prices, with a time series spanning from 1980 to the present and providing forecast data for the next two years. Updated biannually in April and September/October, it serves as a critical data source for global economic research.