I'm from the US and I've traveled to ~10 countries which I didn't speak the native language.
In some countries the locals are able to communicate in English/Spanish, and in others, not so much. What would be interesting to see is what % (or an estimate) of the locals can communicate in one of the languages you know (that's probably a hard problem to solve and not sure if the data is readily available) vs whether it's the official language.
I'm from the US and I've traveled to ~10 countries which I didn't speak the native language.
In some countries the locals are able to communicate in English/Spanish, and in others, not so much. What would be interesting to see is what % (or an estimate) of the locals can communicate in one of the languages you know (that's probably a hard problem to solve and not sure if the data is readily available) vs whether it's the official language.