South African vs Immigrants from Peru Cognitive Disability

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%. Similarly, the statistical analysis conducted on geographies consisting of 328,830,474 people shows a poor negative correlation between the proportion of Immigrants from Peru and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of -0.109 and weighted average of 16.6%, a difference of 1.9%.

Cognitive Disability Correlation Summary

Measurement	South African	Immigrants from Peru
Minimum	2.5%	5.9%
Maximum	19.8%	28.9%
Range	17.3%	23.0%
Mean	12.8%	15.7%
Median	12.9%	15.8%
Interquartile 25% (IQ1)	11.2%	14.4%
Interquartile 75% (IQ3)	15.8%	16.8%
Interquartile Range (IQR)	4.7%	2.4%
Standard Deviation (Sample)	4.2%	3.1%
Standard Deviation (Population)	4.1%	3.1%

Similar Demographics by Cognitive Disability

Demographics Similar to South Africans by Cognitive Disability

In terms of cognitive disability, 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%).

Demographics	Rating \| Rank	Cognitive Disability
Indians (Asian)	97.2 /100 \| #112	Exceptional 16.8%
Immigrants \| Sri Lanka	97.1 /100 \| #113	Exceptional 16.8%
Koreans	97.1 /100 \| #114	Exceptional 16.8%
Yup'ik	96.9 /100 \| #115	Exceptional 16.9%
Inupiat	96.5 /100 \| #116	Exceptional 16.9%
Immigrants \| Japan	96.2 /100 \| #117	Exceptional 16.9%
Immigrants \| Denmark	96.2 /100 \| #118	Exceptional 16.9%
South Africans	95.5 /100 \| #119	Exceptional 16.9%
Scottish	95.0 /100 \| #120	Exceptional 16.9%
Immigrants \| China	94.9 /100 \| #121	Exceptional 16.9%
Immigrants \| Western Europe	94.8 /100 \| #122	Exceptional 16.9%
Portuguese	94.7 /100 \| #123	Exceptional 16.9%
Turks	94.5 /100 \| #124	Exceptional 16.9%
Scandinavians	94.1 /100 \| #125	Exceptional 16.9%
Europeans	93.4 /100 \| #126	Exceptional 17.0%

Demographics Similar to Immigrants from Peru by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Immigrants from Peru are Pennsylvania German (16.6%, a difference of 0.0%), Romanian (16.6%, a difference of 0.010%), Immigrants from England (16.6%, a difference of 0.070%), Austrian (16.6%, a difference of 0.080%), and Bhutanese (16.6%, a difference of 0.080%).

Demographics	Rating \| Rank	Cognitive Disability
Soviet Union	99.8 /100 \| #52	Exceptional 16.5%
Swedes	99.8 /100 \| #53	Exceptional 16.5%
Immigrants \| Iran	99.8 /100 \| #54	Exceptional 16.5%
Immigrants \| Venezuela	99.7 /100 \| #55	Exceptional 16.5%
Austrians	99.7 /100 \| #56	Exceptional 16.6%
Bhutanese	99.7 /100 \| #57	Exceptional 16.6%
Pennsylvania Germans	99.7 /100 \| #58	Exceptional 16.6%
Immigrants \| Peru	99.7 /100 \| #59	Exceptional 16.6%
Romanians	99.7 /100 \| #60	Exceptional 16.6%
Immigrants \| England	99.6 /100 \| #61	Exceptional 16.6%
Czechoslovakians	99.6 /100 \| #62	Exceptional 16.6%
Argentineans	99.6 /100 \| #63	Exceptional 16.6%
Venezuelans	99.6 /100 \| #64	Exceptional 16.6%
Colombians	99.6 /100 \| #65	Exceptional 16.6%
Immigrants \| Ukraine	99.5 /100 \| #66	Exceptional 16.6%