The Administrative Office of the US Courts and the Federal Judicial Center collect and publish some statistics, but they're pretty basic. For example, they coll

The Administrative Office of the US Courts and the Federal Judicial Center collect and publish some statistics, but they're pretty basic. For example, they collect "case type" as a single field with a single value. Most cases have more than one kind of claim, so this is incredibly under-inclusive. Also there aren't codes for lots of kinds of cases. http://www.uscourts.gov/FederalCourts/UnderstandingtheFederalCourts/AdministrativeOffice.aspx http://www.uscourts.gov/FederalCourts/UnderstandingtheFedera... http://www.fjc.gov/ http://www.fjc.gov/ States are a grab bag but generally statistics poor.