About the PTS
Learn about the Political Terror Scale project, the team of researchers, and how we measure and code human rights violations.
News & Updates
Find the latest news and updates for The Political Terror Scale data collection project — as well as links to the latest publications by members of the PTS research team.
Data and Download
Explore and download the latest release of the PTS and SVS data — covering human rights rights records from 1976 to 2021.
Browse our bibliography of scholarly publications studying human rights by means of the Political Terror Scale data.