Ecuador, for example, as far as I know. Few days ago there was a case in a Spanish tribunal. It was the case of a 24 year old man who had had sex with a 12 year old girl and he was denounced, both are from Ecuador.
This is pedophilia in the Spanish law, but he claimed that this is not strange in Ecuador and many immigrant organizations from Ecuador backed him. She had given her approval to that. She also saw it normal. She wasn't fooled or raped. The thing is that some psychologist studied her mental development and, even though she was 12, her mental maturity was the one of someone who is 17 years old.
The Ecuatorian community in Spain backed these couple. None of them saw it as something strange or bad. Even the psychologists admited that it is the usual case of pedophilia. Finally, the tribunal didn't have any reason to punish the guy, after all the scientist, cultural and sentimental evidences of this particular case.
The legal limits of age are just a general agreement, because we all know that the maturity of a person depends on the case. When I read the headline of the case, I thought that the judge should finish in jail after her (the judge was even a woman) decision. But then you read the whole story, and it made me doubt and still I don't know what to think. In Ecuador things are this way, their culture is this way. She also wanted to do it, and the physchologic studies showed that she was mature enough to know what she was doing. She wasn't a kid with the head full of birds, you know? In general, I'd think this is pure pedophilia, but this particular case is different.
Anyway, what I just said has nothing to do with the topic of this thread. Pedophilia is digusting since I assume that it's the case of someone who uses the advantage of the age to force another person to have a sexual relationship, either using physical or just mental superiority. Any sexual act which is not allowed from both (minimum 2 in these times...

) sides is simply disgusting and the approval must be given by someone mature enough to decide it.
But if someone is 12 years old, but mature enough to know what she or he's doing... the thing changes a lot. Sometimes the legal age was 21, sometimes 18, sometimes 16... but it's just a general agreement which doesn't have to be related with the reality of a particular case.