The present study compares and contrasts the prosodic patterns of Buenos Aires Spanish (BAS) based on the variables of gender and age. The population includes 132 native speakers of BAS divided into 3 different age groups (22 males and 22 females per group): (1) children 5-8 and adults (2) 18-50 and (3) 51-78. The corpus contains declarative, wh-question and exclamatory sentences analyzed using the adaptation of the ToBI labelling system to Argentinian Spanish. The data are interpreted according to the theory of Phonology as Human Behavior. The results show that prosodic patterns correlate with gender and age in general and that females invest more effort and use more marked, "correct" and prestigious patterns than males.