Monogamy:

Monogamy is the most common form of marriage where an individual has only one spouse at a time.

Polygamy:

Polygamy is a marriage type where an individual has multiple spouses simultaneously. It can be further categorized into:

• Polygyny: Polygyny is a form of polygamy where a man has multiple wives at the same time.
• Polyandry: Polyandry is a form of polygamy where a woman has multiple husbands at the same time.
• Polyamory: Polyamory is a non-traditional form of multiple-partner relationship where individuals have consensual and open relationships with more than one partner.

Same-Sex Marriage:

Same-sex marriage refers to the legally recognized marriage between two individuals of the same gender.

Arranged Marriage:

In an arranged marriage, the partners are selected by family members or intermediaries rather than by the individuals themselves.

Common-Law Marriage:

Common-law marriage is a type of marriage where a couple lives together for a significant period of time and is considered legally married without a formal ceremony or marriage license.

Civil Partnership:

A civil partnership is a legally recognized union similar to marriage, usually available to same-sex couples or unmarried heterosexual couples, granting them certain legal rights and responsibilities.