Depends on the people, really. Two big, hungry, guys? It'll feed them but that's about it. Three young women? Toss in a salad and you've got plenty. (Experience: I've shared it with a friend and had a few pieces left. Sharing it with two friends with a salad, we ate almost all of the pizza and all the salad.)
More than enough for 2, along with salad.
Enough for 2
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