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 (ie. 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 בעל (ba`al), Hebrew for husband, used throughout the Bible, is synonymous with owner and master.
- "In 2010, 158 countries reported that 18 years was the minimum legal age for marriage for women without parental consent or approval by a pertinent authority. However, in 146 countries, state or customary law allows girls younger than 18 to marry with the consent of parents or other authorities; in 52 countries, girls under age 15 can marry with parental consent. In contrast, 18 is the legal age for marriage without consent among males in 180 countries. Additionally, in 105 countries, boys can marry with the consent of a parent or a pertinent authority, and in 23 countries, boys under age 15 can marry with parental consent."
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.
Choosing a spouse
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.
Violence between spouses
Violence between spouses occurs when one spouse inflicts violence on the other (sometimes the violence can be mutual). The prevalence of this type of violence is difficult to estimate accurately, but in some parts of the world it is very common.
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- Spousal privilege
- Work spouses, a pair of co-workers sharing emotional bonds similar to those in a marriage
- In 1985, a referendum guaranteed women legal equality with men within marriage. The new reforms came into force in January 1988.Women's movements of the world: an international directory and reference guide, edited by Sally Shreir, p. 254
- In 1983, legislation was passed guaranteeing equality between spouses, abolishing dowry, and ending legal discrimination against illegitimate children Demos, Vasilikie. (2007) “The Intersection of Gender, Class and Nationality and the Agency of Kytherian Greek Women.” Paper presented at the annual meeting of the American Sociological Association. August 11.
- In 1981, Spain abolished the requirement that married women must have their husbands’ permission to initiate judicial proceedings 
- Although married women in France obtained the right to work without their husbands' permission in 1965, and the paternal authority of a man over his family was ended in 1970 (before that parental responsibilities belonged solely to the father who made all legal decisions concerning the children), it was only in 1985 that a legal reform abolished the stipulation that the husband had the sole power to administer the children's property. 
- "Divorce Is Now Legal in Argentina but, So Far, Few Couples Have Taken the Break". Los Angeles Times.
- Sex and the State: Abortion, Divorce, and the Family Under Latin. American Dictatorships and Democracies, by Mala Htun, pp 102
- note: divorce between 1976-1991 was allowed for non-Catholics
- "Chile introduces right to divorce". BBC News (BBC). November 18, 2004. Retrieved 2013-11-01.
- Stange, Mary Zeiss, and Carol K. Oyster, Jane E. Sloan (2011). Encyclopedia of Women in Today's World, Volume 1. SAGE. p. 496. ISBN 9781412976855.
- "Religion and Sexism: Images of Woman in the Jewish and Christian Traditions". Retrieved 30 September 2014.
- "Anti-social Behaviour, Crime and Policing Act 2014". legislation.gov.uk.