Further how do we count people who are underemployed? For instance, software developers who take fry-cook jobs because a crappy paycheck beats no paycheck. Self

Further how do we count people who are underemployed? For instance, software developers who take fry-cook jobs because a crappy paycheck beats no paycheck. Self-employed is tricky too, because is slow business unemployed? Sure each of these edge cases is just that, but there are enough to add up to a noticable amount.