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Helping leading cities across the U.S. use data and evidence to improve results for their residents. Launched by @BloombergDotOrg in April 2015.

Learn how the City of Newark boosted the number of registered units by nearly 2,000 — and how to do the same in your city


Four leaders of U.S. cities celebrated International Open Data Day by discussing why strong open data practices and improved governance go hand-in-hand


Photo by Isaiah Rustad on Unsplash

It’s time to act — and many city governments around the country are.


Additional resources for The Replication Guides for City-Led Evaluations series

City-Specific Worksheets

Other Resources

  • Includes step-by-step instructions on how to setup and launch the trial.
  • Links out to other resources where needed
  • Includes the most comprehensive information on the trial design and implementation plan.
  • Includes all information that is critical to running the trial.
  • Includes information on how to analyze trial data.
  • Contains a detailed description of the “intervention” and why we believe it will be effective.


A new collaborative online learning opportunity for cities and community stakeholders committed to implementing innovative models for public safety


Five cities come together to host a regional Open Data Day to share how open data has played a role in their cities

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