Seth nodded in agreement when he heard his house Prefect mention that 18 was the legal age to vote, almost everywhere.
He politely raised his hand to answer
"In Spain the legal age to vote is 18, as well." Seth replied. Of course he knows this because he's from there, obviously.
Muggle studies has definitely hooked him into the whole political side, he didn't know he had? Hmm, very interesting.