almost all;  nearly all;  most
Almost/nearly every non-commissioned officer in this battalion are under 25;  almost/nearly all non-commissioned officers in this battalion are under 25;  most non-commissioned officers in this battalion are under 25
He was respected by almost anyone/everyone in my village; he was respected by just about everyone in my village
Most factory workers are one-time peasants
I've many friends and most of them are civil servants
My paternal grandfather spent most of his free time (in) reading prayer-books
Most of the visitors are from France;  visitors are for the most part from France;  visitors are mostly/predominantly from France