Split image comparing birthday cake and Korean Lunar New Year celebration representing the Korean age system

Korean Age System Explained: Why You’re Older in Korea

You Are Older in Korea — Here’s Why That’s Actually Fascinating The moment you land in Korea, you age. Not metaphorically. Not from jet lag, though that’s real too. According to the traditional Korean age system, you could be one — or even two — years older than you were when you boarded the plane.