How is it that in the U.S.,surveys of 1,000 are accepted as representative of the entire country?

Question

I’ve noticed most U.S. polls query around 1,000 people and sometimes even less. Somehow that qualifies for headlines like “Americans say…” or “Most Americans…” How is it acceptable that 0.0002% of the population is accepted as representative?

In: Other

Answer 1

If the variation within that group is small, and it’s a diverse sample, then you can be confident. Unfortunately both those things need to be true