A motorcycle (also called a motorbike, bike, moto or cycle) is a two or three wheeled motor vehicle. Motorcycle design varies greatly to suit a range of different purposes: long distance travel, navigating urban traffic, cruising, sport, racing and off-road riding. Motorcycles are one of the most affordable forms of motorised transport and, for most of the world's population, they are the most common type of motor vehicle. About 200 million motorcycles, including mopeds, motor scooters, motorised bicycles, and other powered two and three-wheelers, are in use worldwide, or about 33 motorcycles per 1000 people. By comparison, there are around 590 million cars in the world, or about 91 per 1000 people, with about one third (195 million) being in Japan and the United States. Most of the world's motorcycles, 58%, are in the developing countries of Southern and Eastern Asia, and the Asia Pacific, excluding Japan which is one of the world's major car users. In 2006, China had 54 million motor...