Maybe this is crazy, but here is an explanation: legal immigrants are richer and more educated than average in their country of origin and thus have better outcomes after having immigrated.
My grandfather is living in Lincoln county WV (since before i even knew him), i know a lot of people in Huntington and Charleston, in fact most Americans i know live between there and Fayetteville, WV. I would be shocked if life expectancy there is higher than 70, especially if you're not in a fringe group.
>Japanese Americans for example have higher life expectancy than Japanese in Japan, and I expect the same would be true for Ethiopians.
Similarly, Americans do well on PISA compared to their ethnic relatives. (https://www.unz.com/isteve/the-new-2018-pisa-school-test-sco...) Asian Americans do better than Asians; whites do better than Europeans; Latinos do better than Latin Americans; and blacks do better than Africans.
Hispanics and especially blacks' scores drag the US average down. Both white and Asian Americans score higher than Canada (and white+Asian is essentially Canada's racial makeup), and higher than New Zealand, Australia, the Netherlands, Belgium, Germany, France, Norway, and the UK; Estonia is below US Asians but above white Americans. Norway is by far the wealthiest Nordic state but its average is only two points higher than the US national average, despite not having a demographic that is 13% of the population and scores 85 points below the white American average.
That analysis is not by an expert, but by an MBA who is selling his own brand of "analysis" to the alt-right crowd.
In this case, he compares the white part of the US against their "ethnic cousins" without taking into account that just about every single western European country has 20% non-European immigrants who (as opposed to underprivileged US blacks) often aren't even native speakers...
Japanese Americans for example have higher life expectancy than Japanese in Japan, and I expect the same would be true for Ethiopians.
This shows the superiority of the American system.
I need to second the previous comment that this article is either based on deception or ignorance.