| Country | Political pressure groups and leaders |
| Afghanistan | other: religious groups; tribal leaders; ethnically based groups; Taliban |
| Akrotiri | void |
| Albania | Red and Black Alliance [Kreshnik SPAHIU]; Front for Albanian National Unification or FBKSH [Gafur ADILI]; Mjaft Movement [Elton KACIDHJA]; Omonia [Vasil BOLLANO]; Union of Independent Trade Unions of Albania or BSPSH [Gezim KALAJA] |
| Algeria | The Algerian Human Rights League or LADDH [Mostefa BOUCHACHI]; SOS Disparus [Nacera DUTOUR] |
| American Samoa | Population Pressure LAS (addresses the growing population pressures) |
| Andorra | NA |
| Angola | Front for the Liberation of the Enclave of Cabinda or FLEC [N'zita Henriques TIAGO, Antonio Bento BEMBE] note: FLEC's small-scale armed struggle for the independence of Cabinda Province persists despite the signing of a peace accord with the government in August 2006 |
| Anguilla | NA |
| Antarctica | void |
| Antigua and Barbuda | Antigua Trades and Labor Union or ATLU [William ROBINSON]; People's Democratic Movement or PDM [Hugh MARSHALL] |
| Arctic Ocean | void |
| Argentina | Argentine Association of Pharmaceutical Labs (CILFA); Argentine Industrial Union (manufacturers' association); Argentine Rural Confederation or CRA (small to medium landowners' association); Argentine Rural Society (large landowners' association); Central of Argentine Workers or CTA (a radical union for employed and unemployed workers); General Confederation of Labor or CGT (Peronist-leaning umbrella labor organization); White and Blue CGT (dissident CGT labor confederation); Roman Catholic Church other: business organizations; Peronist-dominated labor movement; Piquetero groups (popular protest organizations that can be either pro or anti-government); students |
| Armenia | Aylentrank (Impeachment Alliance) [Nikol PASHINIAN]; Yerkrapah Union [Manvel GRIGORIAN] |
| Aruba | other: environmental groups |
| Ashmore and Cartier Islands | void |
| Atlantic Ocean | void |
| Australia | other: business groups; environmental groups; social groups; trade unions |