Portuguese vs Northern European Cognitive Disability

The statistical analysis conducted on geographies consisting of 450,269,576 people shows a slight negative correlation between the proportion of Portuguese and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of -0.084 and weighted average of 16.9%. Similarly, the statistical analysis conducted on geographies consisting of 406,047,149 people shows a moderate positive correlation between the proportion of Northern Europeans and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of 0.412 and weighted average of 16.8%, a difference of 0.68%.

In terms of cognitive disability, the demographic groups most similar to Portuguese are Immigrants from Western Europe (16.9%, a difference of 0.010%), Turkish (16.9%, a difference of 0.020%), Immigrants from China (16.9%, a difference of 0.030%), Scottish (16.9%, a difference of 0.040%), and South African (16.9%, a difference of 0.13%). Similarly, the demographic groups most similar to Northern Europeans are Immigrants from Nicaragua (16.8%, a difference of 0.020%), Immigrants from Eastern Asia (16.8%, a difference of 0.040%), Palestinian (16.8%, a difference of 0.050%), Canadian (16.8%, a difference of 0.11%), and Albanian (16.8%, a difference of 0.16%).