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What Jury Duty Is and Why It Matters in New Jersey

Jury duty is a civic responsibility that allows ordinary citizens to participate directly in the American legal system. When someone is accused of a crime or involved in a civil lawsuit, a group of regular people from the community—not judges or lawyers—listen to the evidence and make decisions about guilt or innocence in criminal cases, or liability in civil cases. In New Jersey, thousands of residents receive jury summonses each year, and understanding what this process involves can reduce confusion and stress.

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The right to a jury trial is protected by both the U.S. Constitution and the New Jersey Constitution. This means that defendants have the right to have their case heard by a jury made up of people from their community. Without jury duty, the court system would not function. Judges alone would have to hear every case, which would create massive backlogs and delays. Juries bring community perspective and values into the courtroom, ensuring that legal decisions reflect what ordinary people think is fair and just.

New Jersey's court system depends on jurors from all walks of life. The state draws potential jurors from voter registration lists and driver's license records to create a random pool of residents. This randomness is intentional—it helps ensure that juries represent different backgrounds, experiences, and viewpoints. A jury with diverse members brings different perspectives to cases, which strengthens the fairness of legal decisions.

Jury duty typically lasts anywhere from one day to several weeks, depending on the case. Some trials conclude in a single day, while complex civil or criminal cases can take months. Most New Jersey residents who are called will serve for a shorter period. Understanding the basics of jury duty—what to expect, what is required, and how the process works—can help you prepare mentally and practically if you receive a summons.

Practical Takeaway: Jury duty is not optional for those who meet the requirements and receive a summons. Learning about the process beforehand helps you understand your role and responsibilities as a member of the judicial system.

Who Can Serve on a Jury in New Jersey

New Jersey has specific requirements that a person must meet to serve as a juror. These requirements exist to ensure that jurors can understand court proceedings, follow instructions from judges, and make fair decisions based on the evidence presented. Not everyone who receives a summons will actually serve on a jury—the court will ask questions to determine if potential jurors can be impartial and understand the case.

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To be considered for jury service in New Jersey, you must be at least 18 years old and a resident of the county where you are summoned for at least one year. You must also be a U.S. citizen. These basic requirements reflect the idea that jurors should be established members of the community where the case is being heard. Being a resident of the county for at least one year gives you familiarity with the community and its values.

You must be fluent in English to serve on a jury in New Jersey. Court proceedings are conducted entirely in English, and jurors need to understand witness testimony, lawyer arguments, and judge instructions without interpreters. This requirement ensures that all jurors have equal access to the information presented in court. If you speak English as a second language but are fluent, you may still be able to serve.

New Jersey law also sets out reasons why someone cannot serve on a jury. People with felony convictions lose their right to serve unless their rights have been restored. If you are currently serving a sentence, you cannot serve on a jury. Additionally, if you have a condition that prevents you from sitting in a courtroom for extended periods or understanding court proceedings—such as severe hearing loss without accommodation or significant cognitive limitations—you may be excused. These restrictions exist to ensure that all jury members can participate fully in the trial process.

Some people are excused from jury duty for specific reasons related to their job or personal situation. However, having a job is not automatically a reason to be excused. Many people serve jury duty while employed because employers in New Jersey are required by law to allow employees to serve without penalty. Hardship—such as being the sole caregiver for a young child or having a serious health condition—may be grounds for postponement or excusal, but you must explain your situation to the court.

Practical Takeaway: Check whether you meet New Jersey's basic requirements (age, citizenship, residency, English fluency) before your court date. If you have a felony conviction or other factor that might affect your service, understand how to report this information to the court honestly.

The Jury Selection Process and What to Expect

When you arrive at the courthouse for jury duty, you will first check in and may watch an orientation video or attend a brief presentation explaining the jury process. This introduction helps potential jurors understand what will happen during selection and trial. You will receive information about the case you might serve on, including the type of case (criminal or civil) and the general subject matter. This initial information helps you prepare mentally for the work ahead.

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After orientation, you may be placed in a jury pool—a group of potential jurors waiting to be called for specific trials. If your number or name is called, you will enter the courtroom where the actual jury selection process, called "voir dire," takes place. During voir dire, the judge and the lawyers for both sides will ask you questions about your background, beliefs, and potential biases. These questions are not meant to be invasive or accusatory; they help the court understand whether you can be impartial in the specific case.

Common questions during jury selection include: Have you or anyone close to you been involved in a similar legal situation? Do you have any strong beliefs about the type of case being tried? Have you heard about this case in the news? Do you have any reason to believe you cannot be fair and impartial? These questions help lawyers understand whether potential jurors might be biased for or against one side. For example, in a case involving a car accident, lawyers might ask whether you or your family have been in serious accidents, because personal experience might affect your judgment.

After questioning, the judge and lawyers use a process called "peremptory challenge" to remove jurors they believe cannot be fair, and "cause challenge" to remove jurors who have stated they cannot be impartial. The judge can also excuse jurors for hardship reasons. This process continues until 12 jurors and alternates (usually 2-4 alternates who sit through the trial but only decide the case if a regular juror becomes unable to serve) are selected. The entire selection process can take hours or, in complex cases, days.

Once selected, you take an oath promising to decide the case fairly based only on the evidence presented and the judge's instructions. You will be instructed not to discuss the case with anyone, including other jurors, until the trial is completely finished. The judge will also explain the rules you must follow during the trial, such as not doing independent research about the case and not visiting the scene of the incident in dispute.

Practical Takeaway: During jury selection, answer all questions honestly and completely. Do not try to hide information or give answers you think the court wants to hear. Honesty helps ensure that only truly impartial jurors remain on the jury.

Your Responsibilities During Trial and Deliberation

Once you are sworn in as a juror, your primary responsibility is to listen carefully to all evidence presented during the trial and apply the law as the judge explains it to reach a fair verdict. This sounds straightforward, but it requires focus and discipline. You will hear testimony from witnesses, see physical evidence, and listen to arguments from both sides. Your job is not to decide what you think is fair or right in an abstract sense, but to apply the specific law to the facts of the case.

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During the trial, you must follow several important rules. You cannot discuss the case with other jurors until deliberation begins, even during breaks. You cannot conduct your own research about the case, including using the internet, social media, or visiting the scene of an incident. You cannot contact witnesses or lawyers involved in the case. These rules exist because trials are designed to present evidence in a controlled, fair manner. Outside research or contact could introduce biased or incorrect information that is not subject to cross-examination by the other side.

You must also avoid forming opinions about the case until all evidence has been presented and you have heard the judge's final instructions on the law. Jurors often form initial impressions early in a trial, but premature judgment can prevent you from fairly considering all evidence. The instruction to keep an open mind until the end is not a suggestion—it is essential to your duty as a juror.