Court Listener APIs and Bulk Legal DataCourtListener is a free legal research website containing millions of legal opinions from federal and state courts. With CourtListener, lawyers, journalists, academics, and the public can research an important case, stay up to date with new opinions as they are filed, or do deep analysis using our raw data. The data on CourtListener is a combination of many partial sources such as court websites, Public.Resource.Org, and a donation from Lawbox LLC.
Court Statistics ProjectPublishes caseload data from the courts of the fifty states, the District of Columbia, and Puerto Rico
Federal Judicial Center ResearchAlthough this isn't a source for the collection of primary statistics and data, it is an excellent source to find research and examples of how people are using court/judicial statistics asa part of research in the judicial branch.
Sourcebook of Federal Sentencing StatisticsThis Sourcebook contains descriptive statistics on the application of the federal sentencing guidelines and provides selected district, circuit, and national sentencing data. The current volume covers fiscal year 2018 (October 1, 2017, through September 30, 2018, hereinafter “2018”). This Sourcebook, together with the 2018 Annual Report, constitutes the annual report referenced in 28 U.S.C. § 997.
Supreme Court DatabaseHosted by Washington University, St. Louis, this website allows users to download datasets for over 200 different variable regarding U.S. Supreme Court decisions between the court terms of 1953 - last year (present year being updated).
Supreme Court: The StatisticsEach year, the Harvard Law Review publishes a series of tables summarizing numerical trends from the Court’s most recent Term.
SCOTUSblog: StatisticsSCOTUSblog compiles statistics on dispositions by sitting, majority opinions authored by sitting, pace of grants, pace of decisions, and other variables..