In this section, the user can request data about the characteristics of US Congress Members, their legislative activities, and their social connections over five US Congress cycles: from the 109th to the 113th (2005 - 2015). Data is organized in five datasets. Each dataset is provided with a readme file indicating the content of the data and its original source. Readme files also provide information about how data can be merged. While access to our data is free for non-commercial use, dataset access is only granted for legitimate research purposes. Please fill out the requested fields providing information about your intended use of the data. You will receive an email with further instruction to download the requested data.