Northern European vs South African Cognitive Disability

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%. Similarly, the statistical analysis conducted on geographies consisting of 182,593,753 people shows a slight positive correlation between the proportion of South Africans and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of 0.053 and weighted average of 16.9%, a difference of 0.55%.

In terms of cognitive disability, 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%), Paraguayan (16.8%, a difference of 0.050%), Palestinian (16.8%, a difference of 0.050%), and Irish (16.8%, a difference of 0.090%). Similarly, the demographic groups most similar to South Africans are Scottish (16.9%, a difference of 0.080%), Immigrants from China (16.9%, a difference of 0.10%), Immigrants from Western Europe (16.9%, a difference of 0.12%), Immigrants from Japan (16.9%, a difference of 0.13%), and Immigrants from Denmark (16.9%, a difference of 0.13%).