What factual data does Schlosser provide regarding the demographics of fast-food workers?

Schlosser highlights that approximately two-thirds of fast-food workers are under the age of twenty. This statistic underscores the demographic trend in the fast-food industry, which predominantly employs younger individuals, often teenagers or young adults looking for part-time work. This age group is particularly drawn to such employment due to flexible hours and accessibility, appealing to students or those entering the job market for the first time. By emphasizing this demographic aspect, Schlosser sheds light on the job market dynamics within the fast-food sector and the impact on youth employment.