The world is living an epidemic of adult and child obesity. Mexico ranks second, after The United States, in adult obesity and first in child obesity. In order to cope with health problems, mainly associated to obesity, worldwide Physical Education curriculum is incorporating increasing responsibilities to promote healthy life. The purpose of this paper was to identify the international trends of Physical Education curriculum as suggested by the international forums and to perform an exploratory- comparative analysis on how those trends have been incorporated into the curricular goals of selected Iberoamerican countries (Argentina, Brazil, and Spain), particularly Mexico. The paper concludes that all analyzed Iberoamerican countries but Mexico has incorporated into their curricula those international trends on Physical Education curriculum. Mexican Physical Education curriculum is not fully adopting such international tendencies which give more important to movement and sport initiation. This finding poses difficult challenges to Mexican Physical Education curriculum.