
Corruption in Argentina remains a serious problem. Argentina has long suffered from widespread and endemic corruption. Corruption remains a serious problem in the public and private sector even though the legal and institutional framework combating corruption is strong in Argentina.

Corruption in Bolivia is a major problem that has been called an accepted part of life in the country. It can be found at all levels of Bolivian society. Citizens of the country perceive the judiciary, police and public administration generally as the country's most corrupt. Corruption is also widespread among officials who are supposed to control the illegal drug trade and among those working in and with extractive industries.

As of 2006, there were isolated reports of government corruption in Chile. Transparency International's 2016 Corruption Perception Index ranks the country 24th place out of 176 countries.

Corruption in Colombia is a pervasive problem at all levels of government, as well as in the military and police forces. A general culture and awareness of this corruption permeates society as a whole.

Corruption in Ecuador is a highly serious problem. In 2014, the U.S. Department of State cited Ecuador's corruption as a key human-rights problem. According to Freedom House, “Ecuador has long been racked by corruption” and the weak judicial oversight and investigative resources perpetuate a culture of impunity.

Observers maintain that corruption in Paraguay remains a major impediment to the emergence of stronger democratic institutions and sustainable economic development in Paraguay.

Transparency International's 2016 Corruption Perception Index ranks the country 101st place out of 176 countries.

The level of corruption in Venezuela is high by world standards and is prevalent throughout many levels of Venezuelan society. Discovery of oil in Venezuela in the early 20th century has worsened political corruption. The large amount of corruption and mismanagement in the country has resulted in severe economic difficulties, part of the crisis in Bolivarian Venezuela. Transparency International's 2019 Corruption Perception Index ranks the country in 173rd place out of 180 countries.