To qualify, the child must be under 19, under 24 if a student or any age if disabled and must live with you for at least half of the year and receive at least half of their support from you. Dependent relatives who are not your children need to have gross incomes less than $3,800 and need to depend on you for half or more of their support.
The link that Christian shared is to work at Starbucks's in Greece. In the U.S. you have to be 16. The hiring age can vary according to the youth labor laws in the state that you work in. Source: I work there and was hired at age 17.
Specific laws bar or allow people of certain ages to work specific jobs. 16 years old is the minimum age to get most jobs. Employers can hire people under 16 years old in certain circumstances, but in other circumstances, employers cannot hire people under 18 years old. The list of exceptions is long. This page lists all of the exceptions to the rule that a 16-year old can work most jobs. 13-year old, 14-year old, 15-year old, 16-year old, and 18-year old workers should study this to avoid applying for jobs they cannot be employed at. 13-Year Old or Younger People Can Work These Jobs. 1  Newspaper Delivery.