Naturalization is the process of acquiring citizenship through legal procedures, such as application and residency requirements, rather than by birth.

Jus Soli, also known as birthright citizenship, grants citizenship to individuals born within the territory of a country, regardless of their parents' citizenship or immigration status.

The 14th Amendment to the United States Constitution, ratified in 1868, includes the Citizenship Clause, which guarantees birthright citizenship to all persons born or naturalized in the United States, including those born to non-citizen parents.

Non-citizen refers to an individual who is born in a country but does not automatically acquire citizenship due to their parents' citizenship or other factors.

France was the first country to adopt the principle of Jus Soli in its constitution, with the 1791 Constitution of France granting citizenship to all individuals born on French territory.

Derivative Citizenship is the legal term used in the United States to describe the process by which a person born outside the country to U.S. citizen parents acquires citizenship.

Japan is one of the few countries that does not grant birthright citizenship to individuals born within its territory. Instead, Japanese nationality is primarily determined by descent.

Dual Citizen refers to an individual who holds citizenship in two or more countries simultaneously.

Germany has one of the strictest requirements for acquiring citizenship through naturalization, including a long residency period, language proficiency tests, and a naturalization test.

Diplomatic immunity refers to the legal status of individuals who are exempt from the laws and regulations of the host country due to their diplomatic or official status.

Canada grants citizenship to individuals born to foreign parents who have resided in the country for a certain period of time, meeting specific residency requirements.

Foundling refers to the legal status of an individual who is born in a country but whose parents are unknown or stateless.

Japan has the most restrictive birthright citizenship laws, requiring both parents to be Japanese citizens or permanent residents for the child to acquire Japanese citizenship.

Asylee refers to the legal status of an individual who is born in a country but whose parents are refugees or asylum seekers.

The United States grants citizenship to individuals born to foreign parents who have served in the military for a certain period of time, meeting specific eligibility requirements.