Fewer countries drive on the left than on the right, so it is easier to list them:
Anguilla, Antigua and Barbuda, Australia, Bahamas, Bangladesh, Barbados, Bermuda, Bhutan, Botswana, Brunei, Cayman Islands, Christmas Island (Australia), Cook Islands, Cyprus, Dominica, East Timor, Falkland Islands, Fiji, Grenada, Guernsey (Channel Islands), Guyana, Hong Kong, India, Indonesia, Ireland, Isle of Man, Jamaica, Japan, Jersey (Channel Islands), Kenya, Kiribati, Cocos (Keeling) Islands (Australia), Lesotho, Macau, Malawi, Malaysia, Maldives, Malta, Mauritius, Montserrat, Mozambique, Namibia, Nauru, Nepal, New Zealand, Niue, Norfolk Island (Australia), Pakistan, Papua New Guinea, Pitcairn Islands (Britain), Saint Helena, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Singapore, Solomon Islands, South Africa, Sri Lanka, Suriname, Swaziland, Tanzania, Thailand, Tokelau (New Zealand), Tonga, Trinidad and Tobago, Turks and Caicos Islands, Tuvalu, Uganda, United Kingdom, Virgin Islands (British), Virgin Islands (US), Zambia, Zimbabwe
wikipedia.org dumped 2003-03-17 with terodump