If I asked you to tell me what the world’s largest economy is, you’d probably say the US. But how did you know? How can we measure it? Meet GDP or Gross Domestic Product. What is it? You’re about to find out. Here’s a list of the world’s 10 largest GDPs in 2025 as an estimate: Position Country Estimated GDP in 2025 1 United States $30.5 trillion 2 China $19.2 trillion 3 Germany $4.7 trillion 4 India $4.2 trillion 5 Japan $4.2 trillion 5 United Kingdom $3.8 trillion 7 France $