I guess it is similar to date ordering. Sweden has been using yyyy-mm-dd partly because it's easier to sort on dates. Even before the computers, on official doc

I guess it is similar to date ordering. Sweden has been using yyyy-mm-dd partly because it's easier to sort on dates. Even before the computers, on official documents for archives. Having Street addresses with the house number last also makes sense, first I want to find the right street, then I can start searching for the house number and last the apartment.