almost everyone; most people
A common set phrase meaning 'almost all people' or 'the vast majority of people'. Used in both spoken and written Japanese.
Almost everyone knows that news.
Most people came to the party.
Kanji spelling using 殆; rarely used in modern writing and may be unfamiliar to many readers.
A phrase composed of ほとんど (almost) + の (possessive particle) + 人 (person/people). The kanji 殆 is rarely used for ほとんど in modern Japanese.