
While the word privacy is not explicitly mentioned in the US Constitution, it is considered a fundamental right and is implicitly protected by various amendments and court interpretations. The Fourth Amendment, ratified in 1791, safeguards individuals' privacy by prohibiting unreasonable searches and seizures without a warrant and probable cause. The Fourteenth Amendment, through the Due Process Clause, has been interpreted by the Supreme Court to encompass a right to privacy, including in landmark cases such as Griswold v. Connecticut and Roe v. Wade. The Supreme Court has also recognized decisional privacy, allowing individuals to independently control personal aspects of their lives, such as medical decision-making and family matters. The ongoing evolution of technology and national security concerns have further complicated privacy issues, with laws like the USA Patriot Act expanding government surveillance powers. Privacy rights in the US continue to be a dynamic area of law, with recent developments such as Dobbs v. Jackson Women's Health Organization raising questions about the scope and future of privacy protections.
| Characteristics | Values |
|---|---|
| Is the word "privacy" in the US Constitution? | No, the word "privacy" is not in the US Constitution. |
| Privacy in constitutional law | Yes, privacy is in constitutional law. |
| Privacy in the First Amendment | Yes, Justice Louis D. Brandeis stated that the First Amendment protected the privacy of the home. |
| Privacy in the Fourth Amendment | Yes, the Fourth Amendment protects the right to privacy from unreasonable searches and seizures. |
| Privacy in the Ninth Amendment | Yes, the Ninth Amendment acknowledges the existence of some constitutional rights that are not explicitly mentioned in the Bill of Rights. |
| Privacy in the Fourteenth Amendment | Yes, the Fourteenth Amendment states that the government cannot infringe upon "life, liberty, or property" without the "due process of law." This has been interpreted as protecting the right to privacy. |
| Privacy in the Fifth Amendment | The right to privacy has been associated with the Fifth Amendment's assurance that people cannot be "deprived of life, liberty or property, without due process of law." |
| Privacy in Supreme Court decisions | The Supreme Court has recognized privacy as an outgrowth of protections for individual liberty and has extended the right to privacy in various decisions, including Roe v. Wade and Griswold v. Connecticut. |
| Privacy in state laws | Privacy is protected by common law, which safeguards against government intrusion and protects private persons and property. |
| Privacy in data protection | Proposed legislation, such as the Consumer Online Privacy Rights Act and the SAFE DATA Act, aim to grant individuals greater control over their personal information held by private businesses. |
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What You'll Learn
- Privacy is not in the US Constitution, but it is in constitutional law
- The Fourth Amendment protects the right to privacy
- The right to privacy is key to family life
- The Supreme Court has recognised privacy as an outgrowth of protections for individual liberty
- Privacy rights can clash with First Amendment rights

Privacy is not in the US Constitution, but it is in constitutional law
While the word "privacy" is not explicitly mentioned in the US Constitution, it is a foundational principle of constitutional law. The Fourth Amendment, ratified in 1791, protects citizens from unreasonable searches and seizures, guaranteeing their right to privacy in their homes and possessions. This amendment emerged from historical contexts where "general warrants" and "writs of assistance" allowed for warrantless searches, which were deemed unlawful invasions of privacy.
In the 20th century, the Supreme Court further developed the right to privacy, with landmark cases like Stanley v. Georgia (1969) and Silverthorne Lumber Co. v. United States (1920) reinforcing the inadmissibility of evidence obtained through invasions of privacy. The Court also extended privacy rights to encompass the right to purchase and use contraceptives, as seen in Eisenstadt v. Baird (1971).
The Supreme Court's interpretation of the Fourteenth Amendment, which protects "life, liberty, or property" without "due process of law," has been pivotal in establishing a constitutional right to privacy. This interpretation has influenced cases such as Roe v. Wade (1973), which recognised an individual's right to abortion under the right to privacy, and Griswold v. Connecticut (1965), which affirmed the right to privacy in marital decisions.
However, the absence of the word "privacy" in the Constitution leaves these privacy rights vulnerable to erosion, as seen in the Dobbs v. Jackson Women's Health Organization case, which overturned Roe v. Wade and removed abortion rights from the umbrella of privacy protections. This decision has raised concerns about the potential impact on other civil rights and privacy protections, highlighting the importance of recognising privacy as a fundamental principle in constitutional law, even if not explicitly stated in the Constitution.
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The Fourth Amendment protects the right to privacy
The word "privacy" is not mentioned in the US Constitution. However, the Fourth Amendment protects the right to privacy, which is the foundation of many other constitutional protections. The Fourth Amendment states:
> "The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated, and no Warrants shall issue, but upon probable cause, supported by Oath or affirmation, and particularly describing the place to be searched, and the persons or things to be seized."
This amendment was created in response to increasing infringements on privacy in both the colonies and England. In England, "general warrants" allowed royal officials to search the belongings of anyone they suspected of being a political enemy. Meanwhile, in the colonies, "writs of assistance" authorized officials to conduct warrantless searches for untaxed items.
The Fourth Amendment requires that all searches and seizures be authorized by a judge and based on probable cause. This was highlighted in two 20th-century Supreme Court decisions: Silverthorne Lumber Co. v. United States (1920) and Nardone v. United States (1949). These cases established that illegally obtained evidence is "tainted" and inadmissible in court proceedings.
The right to privacy has been key to protecting a person's ability to make medical decisions, such as refusing unwanted medical treatment, and to keep their family together without undue government interference. It has also been central to cases involving the government's ability to disclose someone's sexual orientation or HIV status.
However, the Fourth Amendment has been a subject of debate in the 20th and 21st centuries, especially regarding the balance between national security and individual privacy. Supporters of mass surveillance programs argue that they are rooted in the "probable cause" of deterring crime and terrorism. Critics, on the other hand, claim that these programs are too invasive and violate the Fourth Amendment.
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The right to privacy is key to family life
The word "privacy" is not mentioned in the US Constitution. However, the Supreme Court has, for half a century, recognized privacy as an outgrowth of protections for individual liberty. The right to privacy is considered the foundation of many constitutional protections for Americans' most important, sensitive, and intimate activities.
The right to privacy is also key to a person's ability to keep their family together without undue government interference. For example, in 1977, the court ruled that a grandmother could move her grandchildren into her home to raise them, relying on the right to private family life, despite it violating a local zoning ordinance.
Article 8 of the Human Rights Act protects an individual's privacy, family life, home, and communications. This means that the State must not interfere with an individual's right to privacy. However, this right is not absolute and can be limited in certain circumstances, such as when it is in the interest of national security, public safety, or the economic well-being of the country.
The right to a private life protects an individual's dignity and autonomy, allowing them to make their own decisions about their life. This includes the right to determine one's sexual orientation, lifestyle, and the way one looks and dresses. It also includes the right to control who sees and touches one's body, as well as the right to uninterrupted and uncensored communication with others.
In conclusion, the right to privacy is essential to family life, allowing individuals to make decisions about their personal lives and maintain their autonomy and dignity without undue interference from the State or other public authorities.
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The Supreme Court has recognised privacy as an outgrowth of protections for individual liberty
The US Constitution does not explicitly mention the word "privacy". However, the Supreme Court has long recognised the right to privacy as an outgrowth of protections for individual liberty. This implied right to privacy is the foundation of many of the nation's most cherished and commonly used rights.
The Fourth Amendment, ratified in 1791, is often cited as protecting the right to privacy. It states that "the right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated". This amendment was created in response to increasing infringements on privacy in the colonies and England, where "general warrants" allowed officials to search a person's belongings without cause beyond political suspicion. The Fourth Amendment requires that searches and seizures be authorised by a judge and based on probable cause. This amendment has been used to challenge mass surveillance programs implemented after the 9/11 terrorist attacks, with critics arguing that these programs are too invasive to be justified under the Fourth Amendment.
In his dissent in Gilbert v. Minnesota (1920), Justice Louis D. Brandeis stated that the First Amendment protected the privacy of the home. In Griswold v. Connecticut (1965), Justice William O. Douglas placed a right to privacy in the "penumbra" cast by the First, Third, Fourth, Fifth, and Ninth Amendments. The Griswold case set a precedent for numerous privacy-related cases, including Roe v. Wade (1973), where the Supreme Court held that the Fourteenth Amendment's Due Process Clause protected a woman's right to privacy in deciding whether to terminate her pregnancy.
The right to privacy has also been extended to medical decision-making. In 1990, the Supreme Court concluded that "a competent person has a constitutionally protected liberty interest in refusing unwanted medical treatment". Additionally, lower courts have relied on the right to informational privacy to limit the government's ability to disclose an individual's sexual orientation or HIV status.
While the word "privacy" is not in the Constitution, it is a fundamental concept protected by various amendments and court decisions. The Supreme Court's recognition of privacy as an outgrowth of individual liberty protections has helped shape and expand the rights enjoyed by Americans today.
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Privacy rights can clash with First Amendment rights
While the word "privacy" is not mentioned in the US Constitution, the Supreme Court has, for half a century, recognized it as an outgrowth of protections for individual liberty. The right to privacy is considered the foundation of many constitutional protections for Americans' most important, sensitive, and intimate activities.
In public, there is little to no First Amendment protection of privacy. In Cohen v. California (1971), the Court held that the privacy concerns of individuals in a public place were outweighed by the First Amendment's protection of speech, even when the speech included profanity in a political statement written on a man's jacket.
Court decisions involving privacy rights are sometimes based on more than one First Amendment provision, and it can be difficult to differentiate privacy cases based on a specific First Amendment right. The strongest First Amendment protection for privacy is in the right to freedom of assembly and, by judicial interpretation, freedom of association. However, this protection is not absolute, as organizations with unlawful goals are not protected.
The ACLU's Speech, Privacy, and Technology Project works to champion freedom of expression in various forms, including protest, media, online speech, and the arts, even in the face of new threats. The organization has defended the speech rights of a diverse range of groups and individuals, from communists to anti-LGBT activists, under the principle that constitutional rights must apply to even the most unpopular groups to be preserved for everyone.
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Frequently asked questions
No, the word "privacy" is not explicitly mentioned in the US Constitution.
Yes, the US Constitution implicitly protects the right to privacy through various amendments. The Fourth Amendment, for instance, protects the right to be secure against unreasonable searches and seizures.
The Supreme Court has interpreted the right to privacy as an outgrowth of protections for individual liberty. This implied right to privacy is derived from the First, Third, Fourth, Fifth, Ninth, and Fourteenth Amendments.
The Supreme Court has upheld the right to privacy in several cases, including Griswold v. Connecticut, Roe v. Wade, Eisenstadt v. Baird, and Lawrence v. Texas. These cases have established the right to privacy in matters of contraception, abortion, and consensual sex.


















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