Like Seanus said, some are, some aren't. In Q1 unemployment rose, but in april unemployment droped by 37,8 thousands. But of course it is probably seasonal thing. Usually in april all "outside" work starts for good....
Tell me why do Polish people wants to move to U.S.A.
It is quite outdated statement. Since EU entry, those poles who want emigrate prefer western and north Europe... Those who move to USA do that mostly because of some family connections (because it is easier)