You have to be at least over 50 years old to be a member of this group. This is because it's a group that offers membership to mainly older citizens and the organization advocates for this particular group. The club has a special card that gives members health benefits and a monthly magazine.
The average for AARP is fifty. There are many benefits in joining AARP. Savings on car and homeowners insurance is one of them. If you are out of work and looking for medical insurance you can inquire about it there. Also they explain many questions about retirement.