A typical 1 oz serving of deli chicken breast contains 4.9 grams of protein (17.4 g per 100 g), which makes it a moderate source of protein. That covers roughly 10% of the 50 g reference Daily Value, so it adds toward your protein total for the day.
About 71% of the calories in deli chicken breast come from protein, which makes it extremely protein-dense - close to the practical ceiling for a whole food. Foods in this band are the ones that let you raise your protein intake without raising your calorie intake much at all.
Among the 133 meats in the database, deli chicken breast ranks 127th by protein per serving, and 503rd out of all 796 foods on the site. Set against turkey hot dog, another meat entry in the database, a serving carries about 0.6 g less protein (turkey hot dog has 5.5 g per 1 hot dog).
It is a complete protein - it supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own. The serving above is measured by weight at 28 g. The per-100 g figure lets you compare it directly against any other food here, whatever its serving.
Source: USDA FoodData Central #173874 - "Chicken breast, deli, rotisserie seasoned, sliced, prepackaged" (SR Legacy, published 4/1/2019). Values are the published reference figures for that record, not lab measurements for a specific brand or batch.
Quick answers
Deli chicken breast protein FAQ
How much protein is in deli chicken breast per 100 g?
Deli chicken breast has 17.4 g of protein per 100 g. A typical 1 oz serving (28 g) provides 4.9 g.
Is deli chicken breast a complete protein?
Yes. Deli chicken breast is a complete protein - it supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own.
How much of the Daily Value does a serving of deli chicken breast cover?
A 1 oz serving of deli chicken breast contains 4.9 g of protein, about 10% of the 50 g reference Daily Value.
Is deli chicken breast a good source of protein?
Deli chicken breast is a moderate source of protein, and about 71% of its calories come from protein, which makes it extremely protein-dense. Set against turkey hot dog, another meat entry in the database, a serving carries about 0.6 g less protein (turkey hot dog has 5.5 g per 1 hot dog).