Find Public Datasets
Locate free, existing datasets published by governments, institutions and open-data communities.
Data you'll need
- Topic- or region-specific public data
- Documentation on collection methodology
- Clear reuse licensing
Recommended provider types
Buying criteria
- Licensing clarity for your intended use
- Update frequency and documentation quality
- Institutional credibility
- Format compatibility with your tools
Risks and compliance considerations
- Public availability doesn't guarantee unrestricted use
- Quality and completeness vary significantly by source
Mistakes to avoid
- Not checking the license before using a dataset commercially
- Assuming all public datasets are equally current or complete
Recommended providers
Kaggle
4.3/5A free, community-driven platform hosting a very large collection of public datasets, notebooks and machine learning competitions.
Google Dataset Search
4.0/5A free search engine specifically for datasets, indexing metadata from thousands of repositories, government portals and journals.
Data.gov
4.1/5The U.S. federal government's open data portal, hosting datasets from agencies across health, climate, finance, transportation and more.
Eurostat
4.1/5The European Union's statistical office, publishing free, harmonized economic, demographic and social data across member states.
OpenStreetMap
4.2/5A free, community-maintained map of the world providing open geospatial data used across countless mapping and location applications.
Frequently asked questions
What's the best starting point for finding a public dataset?
Google Dataset Search is a good starting point since it indexes metadata across many repositories, government portals and academic sources.