Some laws also could be considered benificial because they prohibit giving drugs (such as alcohol) to minors.

The age of consent differs in every state, and in every country.

Spain previously raised the age of consent in the country from 13 to 16, bringing it in line with European countries such as the UK, Russia, Norway and Belgium.

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Spain looks set to raise the minimum marrying age from 14 to 16 over concerns the current laws leave children open to exploitation and forced marriage.

Under current legislation, 14-year-olds can legally marry with permission from a judge, with 16-year-olds needing parental permission to wed. Spain's parliamentary justice commission has now approved a new law to raise the minimum age to 16 with permission from a judge or parents.

Here are a few examples of the heterosexual age of consent in different countries: Essentially it means that if you have sex with someone when you or they are under the age of consent, then you are breaking the law – even if you both have sex willingly.

In the eyes of the law people are unable to give informed consent to sex when they are still considered a child.

The legal age of consent for sex in Tokyo and Nagano is 13, not 18 like the rest of the country.

‘Age of consent’ is another way of saying the legal age to have sex.

Gabriel González-Bueno, of Unicef in Spain, said children, especially girls, are more likely to have their lives severely disrupted by marrying at a young age.

He told the Guardian: "In general, we see a gender imbalance in these marriages, with the girls more likely to be younger than the boys."These marriages, particularly in the case of young girls, often lead to an interruption of their studies."In the first half of 2014, four girls and four boys got married in Spain aged 14, and a further nine girls and eight boys wed at 15.

Find out what it means to you - and what happens if you or the person you want to have sex with is under the age of consent.

This will depend on what country you live in as laws are different around the world.

A 12-year-old bride can get married in Uruguay with parental consent, and in Columbia both the bridge and groom can get married with consent if they are 14 years old.