As of November 2011 there are:

159 States Parties to the Treaty:

Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Australia, Austria, Bahamas, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bhutan, Bolivia, Bosnia and Herzegovina, Botswana, Brazil, Brunei Daressalam, Bulgaria, Burkina Faso, Burundi, Cambodia, Cameroon, Canada, Cape Verde, Central African Republic, Chad, Chile, Colombia, Comoros, Congo, Democratic Republic of, Congo, Republic of, Cook Islands, Costa Rica, Cote d'Ivoire, Croatia, Cyprus, Czech Republic, Denmark, Djibouti, Dominica, Dominican Republic, Ecuador, El Salvador, Equatorial Guinea, Eritrea, Estonia, Ethiopia, Fiji, France, Finland, Gabon, Gambia, Germany, Ghana, Greece, Grenada, Guatemala, Guinea, Guinea-Bissau, Guyana, Haiti, Holy See, Honduras, Hungary, Iceland, Indonesia, Iraq, Ireland, Italy, Jamaica, Japan, Jordan, Kenya, Kiribati, Kuwait, Latvia, Lesotho, Liberia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Madagascar, Malawi, Malaysia, Maldives, Mali, Malta, Mauritania, Mauritius, Mexico, Moldova, Republic of, Monaco, Montenegro, Mozambique, Namibia, Nauru, Netherlands, New Zealand, Nicaragua, Niger, Nigeria, Niue, Norway, Palau, Panama, Papua New Guinea, Paraguay, Peru, Philippines, Portugal, Qatar, Romania, Rwanda, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and Grenadines, Samoa, San Marino, Sao Tome and Principe, Senegal, Serbia, Seychelles, Sierra Leone, Slovakia, Slovenia, Solomon Islands, South Africa, South Sudan, Spain, Sudan, Suriname, Swaziland, Sweden, Switzerland, Tajikistan, Tanzania, Thailand, Timor-Leste, Togo, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu, Uganda, Ukraine, United Kingdom, Uruguay, Vanuatu, Venezuela, Yemen, Zambia, Zimbabwe.

2 States that need to ratify:

Marshall Islands and Poland

35 Non-Signatory States:

Armenia, Azerbaijan, Bahrain, China, Cuba, Egypt, Georgia, India, Iran, Israel, Kazakhstan, Korea, Democratic People's Republic of, Korea, Republic of, Kyrgyzstan, Lao PDR, Lebanon, Libya, Micronesia, Mongolia, Morocco, Myanmar (Burma), Nepal, Oman, Pakistan, Russian Federation, Saudi Arabia, Singapore, Somalia, Sri Lanka, Syria, Tonga, United Arab Emirates, United States, Uzbekistan, Vietnam.