one out of VS one of

[deadpig1987hahaha]

Is there any difference between one out of every eight workers and one of every eight workers?

are they singular or plural?

Thanks

[esledge]

Both of these examples are singular. The main noun is one, which is by definition singular, followed by a prepositional phrase (modifier).

By using "every" in both of your examples, I think the meaning of these two is really close. However, there is a slight difference in meaning between

one out of eight workers rides the bus = 1/8 of all the workers ride the bus.

and

one of every eight workers rides the bus = In any group of 8 workers selected, 1 bus rider will be among them.