Lifetime Fitness generally has specific age requirements for membership that vary depending on the type of membership and the facilities available. Typically, individuals aged eighteen years and older can sign up for a standard membership on their own. For those under eighteen, membership options may be available with parental or guardian consent, but details can differ by location. Children as young as twelve years old can often participate in youth programs and may also use certain facilities when accompanied by a parent or guardian. Additionally, Lifetime often provides family memberships that can include children as dependents. To obtain the most accurate and up-to-date information about age requirements or specific policies for a particular location, it is advisable to visit the official Lifetime Fitness website. There you can find comprehensive membership information tailored to your needs.