Age in AmericaEighteen. Twenty one. Sixty five. In America today, we recognize these numbers as key transitions in our livesprecise moments when our rights and opportunities changewhen we become eligible to cast a vote, buy a drink, or enroll in Medicare. This volume brings together scholars of childhood, adulthood, and old age to explore how and why particular ages have come to define the rights and obligations of American citizens. Since the founding of the