It's particularly interesting to look at the mobility statistics of asian americans (many of whom are also immigrants) as a category: http://www.equality-of-opportunity.org/assets/documents/race... . If you look at table 1 on page 56, you can see that for white americans, the probability of a child ending up in the top quantile of income where a parent is in the bottom quantile of income is 11% (about half the probab…
Something that many HNers will probably be embarrased to admit being surprised by is how higher education attainment rates for immigrants don't exclude African immigrants. In fact, black immigrants from Africa and the West Indies have among the highest degree attainment rate of any group. This belies the lower college-and-advanced-degree attainment rate for black Americans as a whole. All of this seems to suggest tha…
There might be some genetic traits also, maybe the slaves were not that smart to start with and they can't close the IQ gap. The new immigrants from Africa are the descendants of people who sold those slaves, so obviously they were better, at least in warfare. They might also be from the upper classes, basically just having a higher IQ to start with.
An interesting thing is to look at England where blacks are all immigrants, there are more college educated blacks than whites percentage wise but the non educated ones are pretty problematic with the same gang issues as in the US. So maybe it is just black culture that is screwed up, who knows.