Nationality Law: Citizenship by Marriage and Jus Matrimonii

In the United States, a foreign spouse can apply for citizenship after three years of marriage to a U.S. citizen.

Jus Matrimonii is the legal principle that marriage automatically confers citizenship on a foreign spouse.

In Germany, jus matrimonii automatically grants citizenship to a foreign spouse upon marriage.

In Canada, a foreign spouse must pass a citizenship test before being granted citizenship through marriage.

In the United Kingdom, a foreign spouse must be married for at least three years before applying for citizenship.

In Australia, a foreign spouse can apply for citizenship after two years of marriage if they have a child with a citizen.

Jus Soli is the legal principle that citizenship is determined by the place of birth.

In Canada, a foreign spouse can apply for citizenship after three years of residency, regardless of marriage.

Jus Sanguinis is the legal principle that citizenship is determined by descent from a citizen.

In the United Kingdom, a foreign spouse can apply for citizenship after three years of marriage, provided they meet certain language and residency requirements.

Jus Domicilii is the legal principle that citizenship is determined by domicile.

In the United States, a foreign spouse must renounce their previous citizenship before being granted citizenship through marriage.

In Australia, a foreign spouse must be married for at least four years before applying for citizenship.

In the United States, a foreign spouse can apply for citizenship after one year of marriage if they have a child with a citizen.

There is no specific legal term for the principle that citizenship is determined by a combination of factors, including birth, descent, and naturalization.