Dataset Search Engines
Find free datasets from millions of sources across the web
Dataset Search Engines
Google Dataset Search
Google's dedicated search engine for datasets. Search millions of datasets from thousands of repositories across the web.
Best Features:- Searches academic repositories, government portals, and data publishers
- Shows download format and update frequency
- Filters by usage rights and topics
- Direct links to original sources
Kaggle Datasets
Community-driven data science platform with 50,000+ public datasets. Many datasets include starter code and notebooks.
Unique Features:- Community discussions and insights
- Quality ratings and popularity metrics
- Associated competitions and notebooks
- Direct download or use in cloud notebooks
DataHub.io
Curated collections of high-quality datasets. Focus on clean, packaged data ready for analysis.
Collections Include:- Core datasets (GDP, population, currencies)
- Economic indicators
- Reference data (country codes, languages)
- Machine learning datasets
Papers with Code Datasets
Machine learning datasets linked to academic papers and benchmarks. Great for research and model comparison.
Curated Dataset Directories
Awesome Public Datasets
Highly curated list of quality datasets organized by topic. Maintained by the community on GitHub.
Categories Include:- Agriculture
- Biology
- Climate/Weather
- Economics
- Education
- Finance
- Government
- Healthcare
UCI Machine Learning Repository
Classic collection of datasets for machine learning research. Used in thousands of academic papers.
Features:- 600+ datasets
- Detailed documentation
- Citation information
- Benchmark results
Search Tips
How to Find the Best Datasets:
- Start with Google Dataset Search - It indexes most other sources
- Check the license - Look for CC0, public domain, or open licenses
- Verify data quality - Check when it was last updated
- Read the documentation - Good datasets have clear descriptions
- Look for direct downloads - Avoid sites requiring extensive registration
filetype:csv or site:data.gov
to find specific types of data files.