Making information about the criminal justice system available to all New Yorkers.


The Knowledge Project is an online data hub where the Mayor's Office of Criminal Justice regularly posts data that tracks how effectively New York City's criminal justice system is fighting crime and reducing unnecessary incarceration. This information gives every New Yorker a window into what is working and what needs to be improved. 
Explore the data sets in the navigation bar above to track dozens of crime and enforcement indicators.



The Latest Blog Post from The Knowledge Project:

The story behind 59,705: what the new summons data means for New York City
Every quarter, the NYPD now posts data on summons enforcement. The data from the first quarter of 2016 is a trove of information – 19,252 rows in a spreadsheet, to be exact. To help navigate the data, we thought it might be helpful to highlight a few of the major trends.