how many jury members in a criminal trial
Jury The "petit jury" (or "trial jury", sometimes "petty jury") hears the evidence in a trial as presented by both the plaintiff (petitioner) and the defendant (respondent). After hearing the evidence and often jury instructions from the judge, the group retires for deliberation, to consider a verdict. The majority required for a verdict varies. In some cases it must be unanimous, while in other jurisdictions it may be a majority or supermajority. A jury that is unable to come to a verdict is referred to as a hung jury. The size of the jury varies; in criminal cases involving serious felonies there are usually 12 jurors.
Jury trial Jury trials are used in a significant share of serious criminal cases in almost all common law lawful systems (Singapore, for example, is an exception), and juries or lay judges have been incorporated into the legal systems of many civil law countries for criminal cases. Only the United States makes routine use of jury trials in a wide variety of non-criminal cases. Other common law legal jurisdictions use jury trials only in a very select class of cases that make up a tiny share of the overall civil docket (like defamation suits in England and Wales), but true civil jury trials are almost entirely absent elsewhere in the world. Some civil law jurisdictions, however, have arbitration panels where non-legally trained members decide cases in select subject-matter areas relevant to the arbitration panel members' areas of expertise.