Three years I could see. It's probably a little quick, but possible. We'll likely just begin to see jobs replaced by next year, or the year after, to a point where people start to notice. There's also development time to consider. It could be as high as 6-9% in 3 years. It could also be a lot longer.
It's almost inevitable in the coming decade.
One thing's for sure, we should be investing a lot more into education.