Estimates suggest that the average life of a euro banknote is about three years before it is replaced due to wear, but individual lifespans vary depending on denomination, from less than a year for €5 banknote to over 30 years for €500 banknote.

Do euro notes go out of date?

Alabastron, Old Euro notes can still be used as legal tender everywhere. There is no need to exchange them. Fortunately the European Central bank didn't do it like you guys did it in the UK when the new notes came out recently.

Are old euro notes still valid 2020?

Yes. The old Euro banknotes from the First Series still remain legal tender. They have the exact same value as the equivalent banknotes of the Second Series of Euro banknotes. Both types of Euro banknotes circulate alongside each other in the Euro-zone.