List of State Leaders in 1990 - South America

South America

• Argentina
  • President - Carlos Menem, President of Argentina (1989–1999)
• Bolivia
  • President - Jaime Paz Zamora, President of Bolivia (1989–1993)
• Brazil
  • President -
    1. José Sarney, President of Brazil (1985–1990)
    2. Fernando Collor de Mello, President of Brazil (1990–1992)
• Chile
  • President -
    1. Augusto Pinochet, President of Chile (1973–1990)
    2. Patricio Aylwin, President of Chile (1990–1994)
• Colombia
  • President -
    1. Virgilio Barco Vargas, President of Colombia (1986–1990)
    2. César Gaviria, President of Colombia (1990–1994)
• Ecuador
  • President - Rodrigo Borja Cevallos, President of Ecuador (1988–1992)
• Falkland Islands (British dependent territory)
  • Governor - William Hugh Fullerton, Governor of the Falkland Islands (1988–1992)
  • Chief Executive - Ronald Sampson, Chief Executive of the Falkland Islands (1989–1994)
• Guyana -
  • President - Desmond Hoyte, President of Guyana (1985–1992)
  • Prime Minister - Hamilton Green, Prime Minister of Guyana (1985–1992)
• Paraguay
  • President - Andrés Rodríguez, President of Paraguay (1989–1993)
• Peru -
  • President -
    1. Alan García, President of Peru (1985–1990)
    2. Alberto Fujimori, President of Peru (1990–2000)
  • Prime Minister -
    1. Guillermo Larco Cox, President of the council of ministers of Peru (1989–1990)
    2. Juan Carlos Hurtado Miller, President of the council of ministers of Peru (1990–1991)
• Suriname
  • President -
    1. Ramsewak Shankar, President of Suriname (1988–1990)
    2. Johan Kraag, President of Suriname (1990–1991)
• Uruguay
  • President -
    1. Julio María Sanguinetti, President of Uruguay (1985–1990)
    2. Luis Alberto Lacalle, President of Uruguay (1990–1995)
• Venezuela
  • President - Carlos Andrés Pérez, President of Venezuela (1989–1993)