Food categories ranked by average sodium per 100 g

Average milligrams of sodium per 100 g of food, SR Legacy reference items, categories with at least 50 foods. Source: USDA FoodData Central.

Why soups, sauces, and gravies lead

Soups, Sauces, and Gravies top the table at roughly 1,255 mg per 100 g, and the reason is structural rather than incidental. Salt does three jobs at once in these products: it carries flavour in a watery base that would otherwise taste flat, it suppresses bitterness from concentrated tomato, bouillon, or roux, and it acts as a preservative that lets a shelf-stable can sit for years. A single 245 g cup of canned soup can therefore deliver well over half a day's sodium allowance in one bowl, before any bread or crackers are added alongside it.

Baked and processed-meat categories cluster behind the leader for a different reason. In bread, sodium is a functional ingredient, not just a seasoning: it controls yeast fermentation, strengthens gluten, and sets the crumb, so even a loaf that tastes mild can carry a surprising amount. Cured and smoked meats use salt as the curing agent itself, which is why a slice of ham or a few rashers of bacon push pork products high up the list. None of these foods taste as salty as the numbers suggest, and that mismatch between perceived saltiness and measured sodium is exactly what makes label reading useful.

It is worth separating two ways of looking at sodium. Per 100 g ranks foods by concentration, which is what the table above shows. Per calorie tells a complementary story: a low-calorie broth can be sodium-dense per gram yet contribute few calories, while a calorie-dense baked good spreads its sodium across more energy. Both views matter at the shopping shelf, because a food eaten in large volume by weight (soup, sauce) behaves differently from one eaten in small dense portions (a cracker, a slice of cured meat). The categories that combine high concentration with large typical serving sizes are the ones most worth watching.

A few specific items illustrate how uneven the picture is within these aisles. Cured staples like prosciutto, salami, bacon, anchovies, capers, olives, and dill pickles concentrate enormous amounts of salt relative to their weight, since brining and dry-curing are preservation methods that depend on it. Condiments compound the effect quietly: soy sauce, fish sauce, miso, bouillon cubes, gravy granules, ketchup, and salad dressings often deliver a substantial dose in a single spoonful that nobody weighs. Bread and bakery items hide their contribution in plain sight, because a sandwich built from two unremarkable slices can rival a portion of crisps before the filling is added. Against those, fresh produce, plain grains like oats and brown rice, unsalted nuts, and most fruit sit near zero, which is why dishes assembled from raw ingredients give a cook the most control. Public-health programs such as the DASH eating pattern lean on exactly that contrast, pairing potassium-rich vegetables with restraint on processed, packaged, and restaurant fare.

What this means at the shelf

The practical takeaway is not to avoid whole categories but to read within them. Sodium varies enormously inside every category on this list: two canned soups on the same shelf can differ threefold, and a low-sodium or no-salt-added line often sits inches from its regular sibling. The reduced-sodium label is regulated, so it carries real meaning. Rinsing canned beans and vegetables removes a meaningful fraction of their added sodium, and choosing fresh or frozen plain produce sidesteps the issue entirely. Use the sodium nutrient ranking and the per-food comparison tool to find the lower-sodium option within the category you are already buying from.