World GDP Treemap is a free, interactive data visualization tool that lets you explore the economic scale of 150+ countries at a glance. 🌍 What you can do: - Drill down into regions (click a block to zoom in) - Filter by region or income group - Adjust the number of countries displayed - Hover over any country for GDP details and global share Built with D3.js and powered by World Bank open data (2023). No sign-up. No install. Just open and explore. 👉 https://gdp.sakusakubiz.com/ 世界各国のGDP