states have ratified or acceded to the covenant as at april afghanistan albania angola algeria argentina armenia australia austria azerbaijan barbados belarus belgium belize benin bolivia bosnia and herzegovina brazil bulgaria burkina faso burundi cambodia cameroon canada cape verde central african republic chad chile colombia congo costa rica cote d'ivoire croatia cyprus czech republic democratic people's republic of korea democratic republic of the congo denmark dominica dominican republic ecuador egypt el salvador equatorial guinea estonia ethiopia finland france gabon gambia georgia germany greece grenada guatemala guinea guyana haiti honduras hungary iceland india iran iraq ireland israel italy jamaica japan jordan also kenya kuwait kyrgyzstan latvia lebanon lesotho libya liechtenstein lithuania luxembourg madagascar malawi mali malta mauritius mexico monaco mongolia morocco mozambique namibia nepal netherlands new zealand nicaragua niger nigeria norway panama paraguay peru philippines poland portugal republic of korea republic of moldova romania russian federation rwanda saint vincent and the grenadines san marino senegal seychelles sierra leone slovakia slovenia somalia south africa spain sri lanka sudan suriname sweden switzerland syria tajikistan thailand the former yugoslav republic of macedonia togo trinidad and tobago tunisia turkmenistan uganda ukraine united kingdom united republic of tanzania united states uruguay uzbekistan venezuela viet nam yemen yugoslavia zambia and zimbabwe