This project of the Berkman Center collects and analyzes complaints about online activity, with a focus on take-down notices.
This is a non-for-profit organization that collects and analyzes information on network neutrality and civil rights in the digital domain. It uses data on network metrics, legal and jurisdictional documents, incident reports and journalistic reports, and reference data.
The CIA’s Fact book offers data by country in the number of Internet hosts and on the number of Internet users (somewhat dated)—plus additional data on the number of fixed and mobile telephones.
This center at the University of Toronto specializes in cybersecurity, censorship, and filtering. It is part of the Open Net Initiative and has published numerous reports on these issues. Until recently, Citizen Lab offered a few regional (Latin America and the Caribbean, MENA countries, Southeast Asia) and topical (social media) Cyberwatch publications with monthly updates.
The Chinese registrar provides basic information on the number of internet users, websites, and IPv4 addresses in China and on .cn domain registration; periodic reports on Internet development, in the country, including data on infrastructure, access, users, security, online video and online gaming; a timeline of Internet development in China] (http://www1.cnnic.cn/IDR/hlwfzdsj/); an Intern
This source publishes frequent reports, white papers, and presentations on diverse aspects of digital communications and activities, and with different geographical focus. These publications can be searched for here