The U.S. government's open data portal offers over 300,000 datasets. This is an excellent source for "messy" real-world data, including crime stats, electric vehicle populations, and agricultural records.
This is specifically designed for learners. They offer curated datasets for practice, such as coffee shop sales, pizza shop transactions, and world cup stats, which are perfect for building dashboards. download raw data for excel practice
If you want something quick and structured, Microsoft provides a free financial sample Excel workbook. It’s ideal for beginners practicing basic functions like sorting and filtering. including crime stats
Known for data journalism, this site shares the raw data behind its articles on sports, politics, and economics, making it great for practicing storytelling through data. Types of Datasets to Practice With electric vehicle populations