A spouse is a life partner in a marriage, civil union, domestic partnership or common-law marriage. The term is gender neutral, whereas a male spouse is a husband and a female spouse is a wife. Although a spouse is a form of significant other, the latter term also includes non-marital partners who play a social role similar to that of a spouse, but do not have rights and duties reserved by law to a spouse.
The legal status of a spouse, and the specific rights and obligations associated with that status, vary significantly between different jurisdictions of the world. These regulations are usually described in family law statutes. However, in many parts of the world, where civil marriage is not that prevalent, there is instead customary marriage, which is usually regulated informally by the community. In many parts of the world, spousal rights and obligations are related to the payment of bride price, dowry or dower. Historically, many societies have given sets of rights and obligations to male marital partners that have been very different from the sets of rights and obligations given to female marital partners. In particular, the control of marital property, inheritance rights, and the right to dictate the activities of children of the marriage, have typically been given to male marital partners. However, this practice was curtailed to a great deal in many countries in the twentieth century, and more modern statutes tend to define the rights and duties of a spouse without reference to gender. Among the last European countries to establish full gender equality in marriage were Switzerland, Greece, Spain, and France  in the 1980s. In various marriage laws around the world, however, the husband continues to have authority; for instance the Civil Code of Iran states at Article 1105: "In relations between husband and wife; the position of the head of the family is the exclusive right of the husband".
Depending on jurisdiction, the refusal or inability of a spouse to perform the marital obligations may constitute a ground for divorce, legal separation or annulment. The latter two options are more prevalent in countries where the dominant religion is Roman Catholicism, some of which introduced divorce only recently (i.e. Italy in 1970, Portugal in 1975, Brazil in 1977, Spain in 1981, Argentina in 1987,Paraguay in 1991,Colombia in 1991,Ireland in 1996, Chile in 2004 and Malta in 2011). In recent years, many Western countries have adopted no fault divorce. In some parts of the world, the formal dissolution of a marriage is complicated by the payments and goods which have been exchanged between families (this is common where marriages are arranged). This often makes it difficult to leave a marriage, especially for the woman: in some parts of Africa, once the bride price has been paid, the wife is seen as belonging to the husband and his family; and if she wants to leave, the husband may demand back the bride price that he had paid to the girl's family. The girl's family often cannot or does not want to pay it back.
Regardless of legislation, personal relations between spouses may also be influenced by local culture and religion, which may promote male authority over the wife: for instance the word (ba`al), Hebrew for husband, used throughout the Bible, is synonymous with owner and master.
Although in Western countries spouses sometimes choose not to have children, such a choice is not accepted in some parts of the world. In some cultures and religions, the quality of a spouse imposes an obligation to have children. In northern Ghana, for example, the payment of bride price signifies a woman's requirement to bear children, and women using birth control are at risks of threats and coercion.
There are many ways in which a spouse is chosen, which vary across the world, and include love marriage, arranged marriage, and forced marriage. The latter is in some jurisdictions a void marriage or a voidable marriage. Forcing someone to marry is also a criminal offense in some countries.