The difference between Predominantly and Primarily
When used as adverbs, predominantly means in a predominant manner. most commonly or frequently by a large margin, whereas primarily means of a primary or central nature, first and foremost.
check bellow for the other definitions of Predominantly and Primarily
-
Predominantly as an adverb:
In a predominant manner. Most commonly or frequently by a large margin.
Examples:
"The membership is predominantly elderly, 90% are over age 60."
-
Primarily as an adverb (focus):
Of a primary or central nature, first and foremost