I was highly surprised by this when I first heard of this fact. But it does seem to be true:

Screenshot (155)

https://research.stlouisfed.org/fred2/graph/?g=33QF

The above is a graph of various countries not affected by war than managed to catch up to the U.S. in Real GDP per capita terms between 1950 and 1973.

Screenshot (156)
https://www.google.com/publicdata/explore?ds=d5bncppjof8f9_&met_y=ny_gdp_pcap_cd&idim=country:PRT:GRC:ESP&hl=en&dl=en#!ctype=l&strail=false&bcs=d&nselm=h&met_y=ny_gdp_pcap_cd&scale_y=log&ind_y=false&rdim=region&idim=country:PRT:GRC:ESP:MEX:BRA:DOM:HTI:CUB:BOL&ifdim=region&hl=en_US&dl=en&ind=false

The above is a graph of the nominal dollar GDPs per capita of various Latin countries+Greece.

The economic divergence between Portugal and Mexico dates to the late 1980s.

So is there an inclining significance of race and average national IQ on economic development over the past thirty-five years?

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