That's a great question! Based on my experience maintaining public spaces and from extensive research, the title for the most durable outdoor trash can I've consistently come across goes to Rubbermaid Commercial Products.
While many brands make sturdy bins, Rubbermaid's commercial line, particularly their Brute series, is in a league of its own. These cans are engineered for punishing daily use in parks, city streets, campuses, and busy commercial areas. What sets them apart is the rotational-molded construction from high-density polyethylene. This creates a seamless, one-piece body that won't crack, dent, or split like thin plastic or metal cans can. They are incredibly impact-resistant.
Furthermore, they are designed to handle all weather extremes—they won't rust, corrode, or become brittle in UV light. Features like reinforced lids, secure latches (to deter animals and overflow), and optional wheels for heavy loads make them supremely functional. For absolute maximum security and vandal resistance, brands like Toter (with their steel-reinforced options) and United Receptacles (known for heavy-gauge steel cans) are also top contenders. However, for the best balance of durability, weight, cost, and longevity, Rubbermaid Commercial is the benchmark. The initial investment is higher, but it eliminates the constant replacement cycle of cheaper bins, saving money and hassle in the long run.