International
Declarations of the Special Rapporteurs
United Nations Instruments
Universal Declaration of Human Rights 1948 (article 19)
International Covenant on Civil and Political Rights 1966 (article 19)
General Comment No. 34 (an interpretation of article 19 of the International Covenant on Civil and Political Rights)
Convention against Corruption 2003
Council of Europe Instruments
Convention for the Protection of Human Rights and Fundamental Freedoms (article 10)
Convention on Access to Official Documents
Declaration on the Freedom of Expression and Information
European Union Instruments
Charter of Fundamental Rights of the European Union (article 42)
Declaration on the Right of Access to Information
Americas Instruments
American Convention on Human Rights, “Pact of San Jose, Costa Rica” (article 13)
Inter-American Declaration of Principles of Freedom of Expression (preamble, principles 3 and 4)
Model Inter-American Law on Access to Public Information, Organization of American States
Principles on the Right of Access to Information, Organization of American States
Resolution on Access to Public Information: Stregthening Democracy, Organization of American States
Country specific legislation and jurisprudence
Right2Info.org has links to access to information related legislation from around the world as well as case law from dozens of countries.