“Us Americans” or “We Americans”?

Question

If there is a group of individuals identifies by a name, what's the right way for one of the group to refer to them all?

For example, if one of a group of 10 Americans wants to refer to the group, is it more correct to say "Us Americans" or "We Americans"?

Answer 1

What are the Americans doing?

Apply the usual "we vs. us" test: Remove any nouns and adjectives between we/us and the verb, and test.

[We/Us] drink beer cold : We Americans drink beer cold.

The Aussies call [we/us] Seppos : The Aussies call us Americans Seppos.