NICAR

The National Institute for Computer-Assisted Reporting maintains a library of federal databases, employs journalism students, and trains journalists in the practical skills of getting and analyzing electronic information.

Search our databases

Search our databases and find the data you need for your investigation

Hire us for data jobs

If you need data cleaned, analyzed or mapped, NICAR can help

Browse our tool library

Watch video tutorials on mapping, visualization, data and other online journalism tools

The NICAR Talk blog:

IRE & NICAR Federal Data Directory

In an effort to promote rescued federal data and prevent duplicated efforts, IRE and NICAR are cataloging rescued data in a public directory. 

Below is a list of datasets saved by concerned IRE members as well as data held by other data rescue organizations including DataRefuge. To access the rescued data, please follow the link provided in the table. 

If you saved a dataset and are willing to share, please take our survey

There are some datasets of concern that are still publicly available. In the cases of data saved by an IRE member, we provided the ...

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Localize coverage of the Oroville Dam collapse with our national database

The NICAR Data Library has updated the National Inventory of Dams (NID), a database kept by the U.S. Army Corps of Engineers on dams in all 50 states, Washington D.C. and Puerto Rico with details that include structure type, purpose, owner, most recent inspection date and inspection frequency. The data also includes latitude and longitude.

The safety of America’s dams has been in the spotlight after the main spillway at the Oroville Dam in California, the country’s tallest, collapsed.

You can use these records to zero in on neglected and potentially dangerous dams in your area ...

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Learn how to explore data with Python's Jupyter Notebook

Editor's Note: This article first ran on the California Civic Data Coalition's website on Oct. 8. Ben spoke at our San Diego Data Watchdog Workshop, a program funded by the Ethics and Excellence in Journalism Foundation.

By Ben Welsh

Last weekend, I traveled to the campus of San Diego State University to join a journalism workshop put on by Investigative Reporters and Editors.

Dozens of students and journalists gathered from across Southern California — and even as far as Mexicali, Mexico — to learn advanced online research techniques, receive Microsoft Excel instruction and develop other skills during two days of ...

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Track the economic impact of Hurricane Matthew

View of Hurricane Katrina destruction in the city of New Orleans. (Photo by NOAA / Creative Commons

In the wake of any natural disaster, there’s a seemingly endless number of public service and accountability stories to chase. You want to know when the power is going to come back on. How many people have been displaced, injured and (in the worst storms) killed. Did officials take the right precautions?

We often focus on the toll these disasters take on individuals, but there’s another important frame to consider – an economic one. Businesses are damaged, some never to open again. Workers ...

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