30+ Amazing Free Data Sources You Need to Use in 2025

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A data source is the initial location where data originates or where information is first digitized. Data sources can provide you with a plethora of valuable information, including statistics, census information, and more.



On this page, we’ve compiled the ultimate list of free data sources so you can find the information you need.

We’ll look at various examples of data sources shareholder database a wide range of industries and disciplines, including:

Big data
Government data
Healthcare data
Employment data
Real estate data
Financial data
Economic data
Marketing data
So, keep reading!

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Free big data sources
Big data is a large, complex data set you can use to discover trends and patterns. Discover the best free big data sources below:

1. Amazon Web Services
amazon web services data sources

Amazon Web Services provides a registry of open data to help users discover and share datasets. It contains over 348 datasets from various industries, including renewable energy, economics, pediatrics, and much more.

2. Chartr
chartr data sources

If you’re looking for easy-to-understand datasets that don’t require extra analysis, look no further than Chartr. Chartr implements data storytelling by using publicly available data to create visualizations that tell stories about various topics and industries.