The question nobody asked for, and nobody can drop
This is the rare argument where almost everyone has a firm answer and almost nobody has a definition. Ask a room whether a hot dog is a sandwich and you will get two confident camps within seconds — then watch both of them discover, about a minute later, that they have never once had to say what a sandwich actually is.
That is the whole mechanism. The disagreement is not about hot dogs. It is about whether a category is defined by its structure (bread on the outside, filling in the middle) or by its function and history (what the thing is for, where it came from, what people call it). Every food argument on this site runs on some version of that split, but none of them exposes it this cleanly.
The industry ruled — against itself
In November 2015 the National Hot Dog and Sausage Council published an official position on the controversy. Its verdict: a hot dog is not a sandwich. The statement is worth reading for its tone alone — the Council called the hot dog "an exclamation of joy, a food, a verb describing one 'showing off' and even an emoji," and concluded that it is "truly a category unto its own."
What makes the ruling interesting is that it argues against the Council's own historical record. The hot dog was widely sold in the United States as a Frankfurter sandwich, and later as a Coney Island sandwich. The Council's answer to its own evidence was brisk: terminology changes. Which is true, and also exactly what the other side is claiming.
What the government thinks it is
There is no federal ruling on the hot dog, but the question is not purely academic: the USDA maintains working definitions of open-faced and closed sandwiches for labeling and inspection purposes, and regulators generally have to decide what a thing is before they can decide how to treat it. Sandwich classification has real consequences in American law — for sales tax, for food service rules, for lease clauses that ban a tenant from selling a competitor's product.
This is the quiet reason the debate refuses to die. It looks like a bar argument, but the same question is settled every year in tax offices and courtrooms, with money attached. Nobody there gets to say "it's just semantics."
Three positions, not two
Before voting, note that the "yes" camp splits in ways the "no" camp does not. Some hold that a hot dog is a sandwich in the plain structural sense and that is the end of it. Others hold that it is a subcategory — a sandwich the way a taco is a taco, sharing an ancestor without being interchangeable with a BLT. And a third group votes "no" on purely social grounds: nobody who orders a sandwich expects to be handed a hot dog, and language is made of expectations.
All three are defensible. None can be proved. What can be measured is which one Americans actually hold, which is what this counter is for — and unlike a definition, a counter does not need anyone's permission to be right.
Sources: National Hot Dog and Sausage Council official statement on the hot dog-as-sandwich controversy, November 2015; USDA Food Standards and Labeling Policy Book, definitions of open-faced and closed sandwiches; historical usage of "Frankfurter sandwich" and "Coney Island sandwich" in American menus.