Nutella is a staple here in the UK and I don't know anyone that buys peanut butter, if I'm honest. I know that peanut butter is much more popular in the States though, right?
Nutella itself cannot make more than the ENTIRE peanut butter industry, bish wet
Peanut Butter is only really popular in the US. I live in the UK and I don't know a single person who uses peanut butter. Nutella is big over here though.