This map shows worldwide which side of the road traffic drives on by country.
Number of countries drive on the right-hand side of the road: 165 countries and territories.
Number of countries drive on the left-hand side of the road: 75 countries and territories.
ChartsBin statistics collector team 2009, Worldwide Driving Orientation by Country, ChartsBin, viewed 9th February, 2010, <http://chartsbin.com/view/edr>.
Source
Internationalisation (I18n) 0, Why Don't We Drive On The Same Side Of The Road Around The World?, , The I18n Guy Web Site, Online, viewed 19th October, 2009, <http://www.i18nguy.com/driver-side.html>.
Brian Lucas 2005, Which side of the road do they drive on?, August 2005, Brian Lucas, Online, viewed 19th October, 2009, <http://www.brianlucas.ca/roadside/>.