There are many differences between youth and age. One is that youth is generally associated with a time of life when someone is less experienced, while age is generally associated with a time of life when someone is more experienced. Another difference is that youth is often seen as a time of energy and vibrancy, while age is often seen as a time of wisdom and calm. Additionally, youth is often seen as a time of hope and possibility, while age is often seen as a time of reflection and nostalgia.