By the date of 10 April 2015 (based on liniks) standard VAT rate is:
-Afghanistan - 10%
-Albania - 9%
-Algeria - 17%
-Angola - 10%
-Antigua and Barbuda - 15%
-Argentina - 21%
-Armenia - 20%
-Australia - 10%
-Austria - 20%
-Azerbaijan - 18%
-Bahamas - 7.5%
-Bahrain - 0%
-Bangladesh - 15%
-Barbados - 17.5%
-Belarus - 20%
-Belgium - 7%
-Belize - 12.5%
-Benin - 18%
-Bermuda - 0%
-Bhutan - 20%
-Bolivia - 9%
-Bosnia - 17%
-Botswana - 12%
-Brazil - 10%
-British Virgin Islands - 0%
-Brunei - 0%
-Bulgaria - 6%
-Burkina Faso - 18%
-Burundi - 18%
-Cambodia - 10%

-Canada:
Alberta - 5%
British Columbia - 12%
Manitoba - 13%
New Brunswick - 13%
Newfoundland - 13%
Northwest Territories - 5%
Nova Scotia - 15%
Ontario - 13%
Pronce Edward Island - 14%
Quebec - 14.975%
Saskatchewan - 10%
Yukon - 5%

-Cape Verde - 5%
-Cayman Islands - 0%
-Central African Republic - 19%
-Chad - 18%
-Chile - 19%
-China - 17%
-Colombia - 9%
-Comorus - 10%
-Congo Democratic Republic - 16%
-Congo Republic - 18%
-Cook Islands - 15%
-Costarica - 13%
-Croatia - 11%
-Cuba - 2.5%
-Curacao - 5%
-Cyprus - 19%
-Czech Republic - 10%
-Denmark - 19%
-Djibouti - 10%
-Dominica - 15%
-Dominican Republic - 9%
-Equador - 9%
-Egypt - 10%
-El Salvador - 13%
-Equatorial Guinea - 15%
-Eritrea - 4%
-Estonia - 20%
-Faroe Island - 11%
-Fiji - 15%
-Finland - 12%
-France - 20%
-Gabon - 18%
-Gambia - 15%
-Georgia - 10%
-Germany - 8%
-Ghana - 15%
-Gibraltar - 0%
-Greece - 23%
-Grenada - 15%
-Guam - 4%
-Guatemala - 12%
-Guernsey - 0%
-Guinea - 18
-Guyana - 16%
-Haiti - 10%
-Honduras - 15%
-Hong Kong - 0%
-Hungary - 12%
-Iceland - 12%

-India - 11%
Other states - 12.5%
-Indonesia - 10%
-Iran - 7%
-Iraq - 0%
-Ireland - 23%
-Isle of Man - 20%
-Israel - 18%
-Italy - 6%
-Ivory Coast - 18%
-Jamaica - 16.5%
-Japan - 8%
-Jersey - 5%
-Jordan - 16%
-Kazakhstan - 12%
-Kenya - 16%
-Kuwait - 0%
-Kyrgyzstan - 12%
-Laos - 10%
-Latvia - 21%
-Lebanon - 10%
-Liberia - 7%
-Libya - 0%
-Liechtenstein - 3%
-Lithuania - 20%
-Luxembourg - 7%
-Macau - 0%
-Macedonia - 9%
-Madagascar - 10%
-Madeira - 22%
-Malawi - 8%
-Malaysia - 6%
-Maldives - 0%
-Mali - 18%
-Malta - 18%
-Mauritania - 14%
-Mauritius - 15%
-Mexico - 8%
-Micronesia - 5%
-Moldova - 6%
-Monaco - 10%
-Mongolia - 10%
-Montenegro - 19%
-Morocco - 20%
-Mozambique - 17%
-Myanmar - 5%
-Namibia - 15%
-Nepal - 13%
-Netherlands - 12%
-New Zealand - 9%
-Nicaragua - 15%
-Niger - 18%
-Nigeria - 5%
-North Korea - 10%
-Norway - 19%
-Oman - 0%
-Pakistan - 17%
-Panama - 7%
-Papua New Guinea - 10%
-Paraguay - 10%
-Peru - 16%
-Philipines - 10%
-Poland - 23%
-Portugal - 23%
-Puerto Rico - 7%
-Romania - 6%
-Russia - 20%
-Rwanda - 18%
-Saint Lucia - 15%
-San Marino - 0%
-Saudi Arabia - 0%
-Senegal - 18%
-Serbia - 10%
-Seychelles - 15%
-Sierra Leone - 15%
-Singapore - 7%
-Slovak Republic - 20%
-Slovenia - 22%
-Solomon Islands - 10%
-Somalia - 10%
-South Africa - 14%
-South Korea - 10%
-Spain - 10%
-Sri Lanka - 12%
-Sudan - 10%
-Suriname - 8%
-Swaziland - 14%
-Sweden - 25%
-Switzerland - 8%
-Taiwan - 5%
-Tajikistan - 20%
-Tanzania - 18%
-Thailand - 7%
-Togo - 18%
-Tonga - 15%
-Trinidad and Tobago - 15%
-Tunisia - 18%
-Turkey - 18%
-Turkmenistan - 20%
-Tuvalu - 5%
-Uganda - 9%
-Ukraine - 9%
-United Arab Emirates - 0%
-United Kingdom - 20%

-United States:
Colorado - 1.9%
Alabama, Georgia, Hawaii, Louisiana, New York, South Dakota, Wyoming - 2%
Virginia - 2.3%
Missouri - 2.445%
Oklahoma - 2.5%
Utah - 2.7%
North Dakota, Wisconsin - 5%
New Mexico - 3.125%
Maine, Nebraska - 5.5%
Arizona - 3.6%
DC, Ohio - 3.75%
Florida, Idaho, Iowa, Kentucky, Maryland, Michigan, Pennsylvania, South Caroline, Vermont, West Virginia - 3%
Kansas - 3.15%
Illinois, Massachusetts, Texas - 6.25%
Connecticut - 3.35%
Arkansas, California, Washington - 3.5%
Nevada - 3.85%
Minnesota - 3.875%
Indiana, Mississippi, New Jersey, Rhode Island, Tennessee - 7%

-Uruguay - 11%
-Uzbekistan - 20%
-Vanuatu - 12.5%
-Venezuela - 8%
-Vietnam - 10%