There are several capital cities in South America with populations greater than 2 million. I used the CIA World Factbook to look up the populations of capital cities in South America:
Buenos Aires, Argentina: 13.528 million (2011)
Lima, Peru: 9.13 million (2011)
Bogotá, Colombia: 8.743 million (2011)
Santiago, Chile: 6.034 million (2011)
Brasilia, Brazil: 3.813 million (2011)
Caracas, Venezuela: 3.242 million (2011)
Asunción, Paraguay: 2.139 million (2011)
There are several South American cities that have a population of about 2 million. Some of these cities include Manaus, Brazil, La Paz, Bolivia, and Belem, Brazil.
Quito is the in the nation of Ecuador. It is the capital city of the that South American country. It has a population of about 1.6 million people.
The South American nation that has Quito as its capital city is Ecuador. In 2011, the population was about 1.6 million people.
Mexico City is the most populous city in North America. It has a population of 8.851 million people as of 2014.
São Paulo, Brazil is the largest city south of the equator, the largest city in the Americas, the largest city in Brazil, and the world's twelfth largest city by population. As of 2014, the population is roughly 11.9 million people; it is 3,067 square miles in size. The nearly 12 million people who live in São Paulo are known as "paulistanos."
The population of Durban, South Africa is estimated to be around 3.8 million people.
The population of Soweto, South Africa is a little over 1 million people. Soweto is a section of the city of Johannesburg.
The South American city of Pampas, located in Peru, currently has a population of approximately 5,521 people.
Mexico City is the populated Latin American city north of the Equator. This capital city has a population of about 8.8 million people.
As of 2021, the population of Johannesburg, South Africa is estimated to be around 5.9 million people.
The most populous city and metropolitan area is Mexico City in Mexico, with a city population of about 9 million. Only slightly lower in metropolitan population is New York City in the US.
The population of Vice City is given as around 1.8 million
New York City is the only city with a population of over 6 million at approx 8.4 million. Los Angeles is second with apporx 3.8 million.