I don't think being older has anything to do. My uncle learnt Swedish at 60, my girlfriend is learning English at 40, and I'd love to learn a 4th language. Wha

I don't think being older has anything to do. My uncle learnt Swedish at 60, my girlfriend is learning English at 40, and I'd love to learn a 4th language. What fades after your 20s is the available time - I see a lot of retired people learning languages here.