So the trouble is, there's a lot more than 10m people outside the labor force of the relevant countries - that's true even if you only consider people who are a

So the trouble is, there's a lot more than 10m people outside the labor force of the relevant countries - that's true even if you only consider people who are actually in those countries, let alone the people who live in other countries who have not migrated there. The trick is figuring out which 10 million of those people are the ones who would have been participating in that labor force.