Claim: In the 2010 census data, the province of Greater Buenos Aires had the largest GDP, comparable to Qatar, and Mar del Plata had the smallest, comparable to The Bahamas.
Evidence: Urban sprawl, especially between 1945 and 1980, created a vast conurbation of 9,910,282 inhabitants in the 24 conurbated partidos, as of 2010, and a total of 12,801,365 including the City of Buenos Aires, a third of the total population of Argentina and generating more than half of the country's GDP. In terms of GDP per capita, Qatar is the richest developing country in the world. Mar del Plata is the second largest city in Buenos Aires Province. With a population of 614,350 as per the 2010 census INDEC, it is the 7th largest city in Argentina. By the terms of GDP per capita, The Bahamas is one of the richest countries in the Americas.