"Person" is a singular noun. It refers to one human being. "People" is the plural of "person" and is the plural form used in the vast majority of English conversations. "Persons" is also a plural form of "people," but it is mostly used in formal contexts, especially in legal documents.

People is the plural and person is the singular. 1 person 2 people 3 people 4 people Etc When you are describing more than one person, you need to use people.If you are talking about one human, then you use person. This is an irregular plural noun in English.