It is standard in a lot of places: https://upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Ma...

I can't vouch for how seriously those different countries look at the issue, though, despite what they have legislated, e.g. I once had a relationship with a Korean who had been physically abused by both parents and teachers. Here in Denmark it was outlawed in the 90s and isn't very common.