Bigamy is the act of having two spouses at one time. If a person knowingly enters into a bigamous marriage, or she is committing a crime, though it is only prosecuted in special circumstances. The laws and punishments regarding bigamy vary by jurisdiction.
Characteristics of Monogamy and Polygamy: Number of Spouses: Monogamy: In monogamy there is only one spouse at a time. Polygamy: In polygamy there is more than one spouse at a time. Legal Framework: Monogamy: Monogamy is now considered as the legal form of marriage. Polygamy: Polygamy is considered to be illegal in most societies, although there are exceptions to this. Popularity: Monogamy: Monogamy is the popular practice of marriage.
Polygamy vs. polygyny vs. polyandry Polygamy refers to the practice of having more than one spouse. It is broader than polygyny, which refers to situations where one man has multiple wives, and polyandry, which refers to one woman with multiple husbands.