Best Credit Cards for Young Adults with Bad Credit are best secured credit cards or best unsecured credit cards. Secured credit cards and unsecured credit cards are best for young adults with bad credit, poor credit or rebuild credit. Young adults could have bad credit for various reasons including loans, old unpaid credit cards, rent defaults etc. Young adults with bad credit should need to rebuild and fix their credit. All young adults should use credit cards wisely to rebuild their credit. Best credit cards for young adults with bad credit are available with easy online application and many bad credit credit cards have guaranteed approvals.