Total Population

Buenos Aires is the top region by total population in Argentina. As of 2010, total population in Buenos Aires was 15.3 million persons that accounts for 37.80% of Argentina's total population. The top 5 regions (others are Córdoba, Santa Fe, Ciudad Autónoma de Buenos Aires, and Mendoza) account for 66.20% of it. Argentina's total total population was estimated at 40.5 million persons in 2010.