most major

[kat2006]

is "most major" the superlative degree of "major"? if not, what does it mean?
here is an example:
provide support for most major countries

[David L.]

"most" as in, not just one or two, not a few, but that support will be offered to most (more than 50%) major countries.

[Horsa]

"most" = the majority of