That didn't answer Thewitt, you've got to figure out which of the lefties were British and which weren't:
Anguilla - colonized by British, 1650
Antigua and Barbuda - independent state of the British Commonwealth
Australia - commonwealth of the British Empire, 1901
Bahamas - gained independence from Britain in 1973
Bangladesh - broke from Pakistan in 1971, which was broken from India in 1947, which was British
Barbados - colonized in 1627 by the British
Bermuda - settled in 1609 when Brits heading to Virginia shipwrecked
Bhutan - gained independence from formerly British India in 1949, then was partly annexed by Britain in 1865
Botswana - British protectorate until 1966 (The Country Formerly Known as Bechuanaland)
British Virgin Islands - duh
Brunei - British protectorate between 1888 and 1984
Cayman Islands - gained independence from Britain in 1962
Christmas Island - annexed by Britain in 1888, then given to Australia (also British) in 1958
Cocos (Keeling) Islands - annexed by Britain in 1857, then given to Australia (also British) in 1955
Cook Islands - became a British protectorate in 1888, then given to New Zealand (British colony until 1907) in 1900, the became independent with a free association to New Zealand in 1965
Cyprus - British until 1960
Dominica - last Caribbean island to fall to Europe, colonized by Britain in 1805.
East Timor - HERE'S ONE THAT ISN'T BRITISH!
Falkland Islands - claimed by Britain in 1592, garrisoned in 1833, lost to Argentina in 1982, reclaimed by Britain later that year
Fiji - gained independence from Britain in 1970
Grenada - gained independence from Britain in 1974
Guernsey - British dependency, remains of the medieval Dukedom of Normandy
Guyana - British colony until 1966
Hong Kong - seized by Britain in 1841, returned-with-conditions to China in 1997
India - British colony from the 1800's to 1947
Indonesia - HERE'S ANOTHER ONE THAT ISN'T BRITISH!
Ireland - gained independence from Britain in 1921
Isle of Man - British rule since 1765
Jamaica - independent state within the British Commonwealth since 1962
Japan - ANOTHER THAT ISN'T BRITISH!
Jersey - another bit of the old Dukedom of Normandy, British
Kenya - gained independence from Britain in 1963
Kiribati - gained independence from Britain and the US in 1979
Lesotho - gained independence from Britain in 1966
Macau - ANOTHER THAT ISN'T BRITISH!
Malawi - British protectorate until 1964
Malaysia - created in 1963, part of old British Singapore
Maldives - gained independence from Britain in 1968
Malta - British from 1814 'til 1964
Mauritius - held by Britain for a period of time before it gained independence in 1968
Montserrat - abandoned, but a territory of Britain
Mozambique - ANOTHER THAT ISN'T BRITISH!
Namibia - gained independence from South Africa in 1990, which gained independence from Britain in 1910
Nauru - gained independence from Australia, New Zealand, and Britain in 1968
Nepal - HERE'S ANOTHER, but from what I gather nearly all the roads are on the Indian border, which was British
New Zealand - British colony until 1907
Niue - split from Cook Islands in 1974, which were British
Norfolk Island - British prison camp from 1788 to 1855, abandoned, then resettled by Bounty mutineers in 1856. Now a territory of Australia
Pakistan - divided from India in 1947, which was British
Papua New Guinea - Half British since 1885, then given to Australia in 1902, then gained independence in 1975
Pitcairn Islands - British colony since 1838
Saint Helena - garrisoned by British in 1600's, now a colony of Britain
Saint Kitts and Nevis - colonized by British in 1623, Anguillia seceded in 1971, the rest gained independence in 1983
Saint Lucia - British colony from 1814 until 1979, though when I was there they seemed to drive all over the road
Saint Vincent and the Grenadines - British colony since 1783, gained independence in 1979
Seychelles - British colony since 1814, gained independence in 1976
Singapore - British colony since 1819, joined Malaysia 1963, gained independence in 1965
Solomon Islands - British protectorate since 1890, gained independence in 1978
South Africa - gained independence from Britain in 1910
Sri Lanka - British colony since 1802, renamed Ceylon and independent in 1948, then changed to Sri Lanka in 1972
Suriname - ANOTHER THAT ISN'T BRITISH!
Swaziland - gained independence from Britain in 1968
Tanzania - Tanganyika gained independence from Britain in 1961, Zanzibar did the same in 1963, the two joined to become Tanzania in 1964
Thailand - THIS ONE ISN'T BRITISH! and it was never colonized by anyone, always independent
Tokelau - British protectorate since 1889, given to New Zealand in 1925
Tonga - The Friendly Islands were a British protectorate since 1900, Tonga gaining independence in 1970
Trinidad and Tobago - British until 1962
Turks and Caicos Islands - part of Jamaica (British) until 1962, when they became a British colony, they indented to become independent in 1982, but are currently still a British territory
Tuvalu - part of the British colony of the Gilbert and Ellice Islands, Ellice Island separated from Gilbert in 1974 becoming Tuvalu, which gained independence in 1978
Uganda - gained independence from Britain in 1962
United Kingdom - duh
Virgin Islands - once British, then divided between the British and the Danish, then the US bought the Dane's half in 1917
Zambia - gained independence from Britain in 1964
Zimbabwe - annexed by Britain in 1923, declared independence in 1965 but Britain didn't recognize it until 1979
So that leaves East Timor, Indonesia, Japan, Macau, Mozambique, Nepal, Suriname, and Thailand. Those were never British and the ones that aren't islands are the freaks in which-side-of-the-road-to-drive-on-ness.