Legal marriage age depends from country to country.  Heres your list.  So see the list of minumum marriage age for men and women in varous continents.

Format: (Country, Men, Women)

Minimum marriage age for boy  and girl in Asia
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Afghanistan 18 14
Armenia 18 17
Azerbaijan 18 17 (17 or 16 in special cases)
Bangladesh 21 18
Brunei NA
China 22 20
Taiwan 20 (18 for males and 16 females if parents agree)
Hong Kong 21 16 (with parents consent)
India 21 18
Indonasia 21 19 (16 for females if parent agree)
Iran 18 15 (with parents consent)
Iraq 18 15
Israel 18 17
Palestine 18 18 (court should agree)
Japan 20 20 (18 for men and 16 for femal if parents agree)
Jordan 16 15 (special permission are also there..)
Kazakhstan 18 18 (16 years if parents agree)
Kuwait NA
kyrgyzstan 18 18
lebanon 18 17
Malaysia 21, 18 with parental consent, 16 for females with special marriage license
Maldives 15 15
Pakistan 18 16
Phillippines 21 18 (with parents consent 16-21)
Singapore 21 18
South Korea 20 18 (16 for females with parental consent)
Sri lanka 18 18 (for muslims 12 years for girls or even before)
Syria 18 17 (judicial discretion for males of 15 and females of 13; judge may withhold permission for marriage if court finds incompatibility in age between betrothed parties)
Thailand 20 17 (15 in special circumstances with court approval)
Turkey 18 17 (16 in special circumstances with court approval)
Uzbekistan 18 17 ( 17 and 16 correspondingly in special conditions)
Vietnam 18 16)
Yemen NA


Minimum marriage age for boy  and girl in Europe
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Austria: 18 16 [with court consent (partner must be 18 or older)]
Belgium: 18 16 (with parental consent)
Bulgaria: 1816 (with parental consent)
Croatia: 18 16 (with parental consent)
Cyprus: 16 16
Czech republic: 18 16 for females in case of pregnacy (parental consent required).
Denmark: 18 16 with special letter of approval from the Queen and parental consent.
Estonia: 18 15 (with parental or court consent)
Finland: 18 under 18 with the consent of the ministry of justice in extraordinary circumstances, in which case parents or other guardian must be heard, but actual parental consent is not required.
France: 18. (The 2005 law intends to protect minors from arranged childhood marriages).
Germany: 18 16 [with court consent (partner must be 18 or older)]
Hungary: 18 16 (with parental consent)
Iceland: 18, the Ministry of Justice may permit the marriage of younger persons.
Republic of Ireland: 18, 16 (with parental consent, below 16 with both parental and High Court consent.
Italy: 18, 16 (with court consent)
Latvia: 18 16 (with court and/or parental permission)
Lithuania: 18 16 (with court permission)
Netherlands: 18, 16 with parental consent, below 16 with parental consent.
Norway: 18, 16 with consent from parents (guardian) and permission from the County Governor. The County Governor may only give permission when there are 'special reasons for contracting a marriage'
Poland: 18, 16 with court permission (females only).
Portugal: 18, 16 with parental consent (if not possible, the court can provide the consent).
Romania: 18 for males, 16 for females, 15 with permission from the district's administrative board
Russia: 18, 16 for males or 14 for females with consent of a parent or guardian (depends on region), unlimited in special circumstances.
Slovakia: 18 16 (with court consent)
Slovenia: 18 16 (with parental consent)
Spain: 18 16 (with parental consent)
Sweden: 18, younger with permission from the county administrative board. The county administrative board may only give permission when there are 'special reasons' but although the custodians of the underage should be heard if possible, the consent of the custodians is not required. The Swedish Matrimonial Code (SFS 1987:230), 2006-05-13
Switzerland: 18
Ukraine: 18 for males, 17 for females, 16 with parental consent.
United Kingdom
England and Wales: 18, 16 with parental consent.
Scotland: 16.
Northern Ireland: 18 16 (with parental consent)
Jersey: 18 16  (with parental consent)

Minimum marriage age for boy  and girl in Oceania
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Australia: 18, 16 with permission from a court and both parents (only granted in exceptional circumstances) - Commonwealth Marriage Act 1961 s
New Zealand: 18 16 (with parental consent)



Minimum marriage age for boy  and girl in Americas (north and south america)
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Argentina: 21, 16 for females and 18 for males with parental consent, lower with judicial consent only in exceptional cases.
Brazil: 18, 16 with parental consent; unlimited in case of pregnancy. Since 2003 marital status is granted by law to adolescents (legally defined as individuals from 12 to 17) living together to someone else, with family approval (article 1513 of the 2003 Civil Code).
Canada: 18, 16 with parental consent, 14 with judicial consent, no lower age limits for widows, widowers or divorcees.
Chile: 18, 16 with parental consent.
Mexico: 18, 16 with parental or legal consent, 14 for pregnant females with legal consent.
Paraguay: 14 for females and 16 for males. Article 39, clause "b", of the Paraguayan Civil Code reads: “The legal incapacity of minors will cease: ...(b) for gentlemen of 16 and for women of 14 years completed, through marriage, with the limitations established in this Code”.
Peru: 18.
United States: Usually 18. Most states, however, allow marriage at a younger age with parental and/or judicial consent. Some states allow marriage at a still younger age if the female is pregnant. There are a few states that have a higher age. Note that violation of the law occurs at the moment of physical contact (before pregnancy), and so most men are imprisoned before any marriage takes place, leaving marriage de facto illegal.
Alabama: 18, 16 with parental consent. (statute).
Alaska: 18, 16 with parental consent.
Arizona: no statutory minimum, under 18 with parental consent, under 16 with approval of a superior court judge and parental consent. (statute)
Arkansas: 18, 16 for females and 17 for males with parental consent
California: no statutory minimum, those under 18 must receive approval of a superior court judge, or parental consent.
Colorado: 18, 16 with parental consent.
Connecticut: 18, 16 with parental consent.
District of Columbia: 18, 16 with parental consent.
Delaware: 18, 16 for females with parental consent
Florida: 18, 16 with parental consent.
Georgia: 18, 15 with parental consent, 16 without parental consent if pregnant.
Hawaii: 18, 15 with parental consent.
Idaho: 18, 16 with parental consent.
Illinois: 18, 16 with parental consent.
Indiana: 18, 17 with parental consent, 15 in the case of pregnancy with both parental and judicial consent.[14]
Iowa: 18, 16 with parental consent.
Kansas: 18, no minimum with parental consent.
Kentucky: 18, 16 with parental consent.
Louisiana: 18, 16 with parental consent.
Maine: 18, 16 with parental consent.
Massachusetts: 18 for first marriage, 16 with parental and judicial consent
Maryland: 18, 16 with parental consent.
Michigan: 18, 16 with parental consent, 15 and under with parental consent and probate judge approval.
Minnesota: 18, 16 with parental consent.
Mississippi: 21, 17 for males, 15 for females, with parental consent.
Missouri: 18, 15 with parental consent
Montana: 18, 16 with parental consent.
Nebraska: 19, 17 with parental consent.
Nevada: 18, 16 with parental consent.
New Hampshire: 18, 14 for males and 13 for females, in cases of "special cause" with parental consent and court permission.
New Jersey: 18, 16 with parental consent.
New Mexico: 18, 16 with parental consent.
New York: 18, 16 with parental consent, 14 with parental and judicial consent.[citation needed]
North Carolina: 18, 16 with parental consent, unlimited in case of pregnancy or birth of child with parental consent.
North Dakota: 18, 16 with parental consent.
Ohio: 18 for males, 16 for females, less with parental consent.
Oklahoma: 18, 16 with parental consent.
Oregon: 18, 17 with parental consent. The consenting parent or guardian must accompany the applicant when applying for the marriage license.
Pennsylvania: 18, 16 with Birth Certificate and written consent of parent or guardian, under 16 with parental consent and under 14 with the approval of a Judge of the Orphans Court.
Puerto Rico: 21, 18 with parental consent.
Rhode Island: 18, 16 for females with parental consent
South Carolina: 18, 16 with parental consent.
South Dakota: 18, 16 with parental consent.
Tennessee: 18, 16 with parental consent.
Texas: 18, 16 with parental consent. 14 with judicial consent or if person under 18 had previously married and divorced.
Utah: 18 for first marriage, 16 with parental consent, 15 with court approval.
Vermont: 18, 16 with parental consent.
Virginia: 18, 16 with parental consent.
Washington: 18, 17 with parental consent.May be waived by superior court judge.(statute)
West Virginia: 18, 16 with parental consent, under 16 (unspecified limit) with parental and judicial consent
Wisconsin: 18, 16 with parental consent.
Wyoming: 18, 16 with parental consent.
Venezuela: 18, 14 for females and 16 for males with parental consent.

Minimum marriage age for boy  and girl in Africa
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Algeria: 21 for males and 18 for females, lower with judicial permission if necessity or benefit is established
Egypt: 18 for males and females (per the new child protection law).
Ethiopia: Legally 18 for both males and females. In practice, however, children in rural areas are married young. It is not uncommon to see girls as young as 6 years of age being married. It is also unusual for a girl to be 16 and yet unmarried.
Kenya: 16 for statutory marriages under the Marriage Act.
Libya: 20, lower with judicial permission on grounds of benefit or necessity and with wali's agreement.
Madagascar: 17 for males, 14 for females.
Morocco: 18 (since the legal reform of 2004).
Senegal: 20.
Somalia: 18, 16 for females with guardian's consent; Court may grant exemption from minimum age requirements in case of necessity.
South Africa: 18. There are provisions made for respecting the marriage laws of traditional marriages, whereby a person might be married as young as 12 for females and 14 for males.
Sudan: Puberty, with requirement for willing consent of both parties.
Tanzania: 18 for males and 15 for females, 14 with court permission if specific circumstances make marriage appear desirable. Penal Code provides that persons of "African or Asiatic descent" may marry or permit marriage of a girl under 12 in accordance with their custom or religion if marriage is not intended to be consummated before she is 12.
Tunisia: 20 for males and 17 for females, lower with judicial special permission for pressing reasons and on the basis of a clear interest for both spouses.

Source - wiki