Out of a total 120,000,000 commuters in this country (USA) 158,059 of them ride motorcycles to work regularly. That's only 0.12 percent. US Department of Census
Of all the motorcycles registered in the USA, (6,567,197 ) 4.3% of them are used for year-round primary transportation, with an additional 9.9 used seasonally for this purpose. Motorcycle Industry Council
The average United States driver travels 29 miles per day and is driving a total of 55 minutes per day. (This is an average vehicle speed of 32 mph.) US Department of Transportation, Bureau of Transportation Statistics
Tests comparing car and motorcycle performance on real journeys suggest that traveling by motorcycle can shorten journey times by as much as 33 minutes of every hour for town centre and city travel, and 20 minutes of every hour for travel through a mixture of built-up and non built-up areas. Motorcycle Industry Association (UK)
Motorcycles cover 1-2% of the total distance traveled by road, and cars cover 86%. If 2% of car commuters switched to motorcycles or scooters, the current level of motorcycle utility use would effectively double. Motorcycle Industry Association (UK)
Average 2002 annual household private vehicle expense is $7,371. This is divided into $3,665 for vehicle purchases, $1,235 for gas and oil and $2,471 for insurance and misc. US Department of Labor Statistics, Consumer Expenditure Survey