A grand jury consists of nine members. Six of these nine members must vote in favor of indictment in order for an individual to be indicted.
A majority (12).
6
All twelve.
12 minimum
There are a variety of numbers when it comes to amount of jurors needed for a case to go to trial in Canada. The minimum number of jurors however is ten or a case won't continue.
Grand Jurors do NOT decide if "a trial is justified." They only rule on indictments. By a simple majority they make the decision that probable cause does or does not exist that the defendant should be charged.
5 jurors
Grand Juries do not decide on whether a trial is needed, or not. They only agree (by a simple majority) that enough probable cause exists to indict you for the offense with which you are charged.
In the United States, most criminal trials require a jury of 12 jurors, while civil trials typically have 6 to 12 jurors, depending on the state and specific case. However, some states allow for smaller juries in certain circumstances, and in some cases, a jury can be composed of as few as 6 jurors. The exact number can vary based on jurisdiction and the type of trial.
12
twelve
It must be agreed by all (12) of the jurors deciding the case.