US and Canada are probably the only places where scooters aren't the norm. I guess in Kyiv and Bucharest you see a decent amount of deliveries with cars, but those people are mostly driving super cheap LPG vehicles.

Even in Dubai scooters are the norm, despite the city embracing a very American take on urban design.

No, I don't have data to back this up. I don't need to, this is obvious to anyone who has traveled the world. If you read this thread, you will only see Americans talking about food delivered by car.