Subsaharan African vs Immigrants from Bulgaria Cognitive Disability

The statistical analysis conducted on geographies consisting of 508,099,215 people shows no correlation between the proportion of Sub-Saharan Africans and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of 0.038 and weighted average of 18.5%. Similarly, the statistical analysis conducted on geographies consisting of 172,549,844 people shows a moderate negative correlation between the proportion of Immigrants from Bulgaria and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of -0.465 and weighted average of 16.7%, a difference of 11.1%.

Cognitive Disability Correlation Summary

Measurement	Subsaharan African	Immigrants from Bulgaria
Minimum	2.3%	4.6%
Maximum	40.3%	21.3%
Range	38.0%	16.7%
Mean	18.5%	13.4%
Median	18.5%	13.5%
Interquartile 25% (IQ1)	16.6%	11.3%
Interquartile 75% (IQ3)	19.6%	15.9%
Interquartile Range (IQR)	2.9%	4.6%
Standard Deviation (Sample)	5.5%	3.9%
Standard Deviation (Population)	5.5%	3.8%

Similar Demographics by Cognitive Disability

Demographics Similar to Sub-Saharan Africans by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Sub-Saharan Africans are Yaqui (18.5%, a difference of 0.060%), Chickasaw (18.5%, a difference of 0.17%), Immigrants from Dominica (18.6%, a difference of 0.18%), Immigrants from Middle Africa (18.6%, a difference of 0.26%), and Liberian (18.6%, a difference of 0.34%).

Demographics	Rating \| Rank	Cognitive Disability
Ugandans	0.0 /100 \| #307	Tragic 18.3%
Immigrants \| Western Africa	0.0 /100 \| #308	Tragic 18.4%
Immigrants \| Eastern Africa	0.0 /100 \| #309	Tragic 18.4%
Choctaw	0.0 /100 \| #310	Tragic 18.4%
Hmong	0.0 /100 \| #311	Tragic 18.4%
Chickasaw	0.0 /100 \| #312	Tragic 18.5%
Yaqui	0.0 /100 \| #313	Tragic 18.5%
Sub-Saharan Africans	0.0 /100 \| #314	Tragic 18.5%
Immigrants \| Dominica	0.0 /100 \| #315	Tragic 18.6%
Immigrants \| Middle Africa	0.0 /100 \| #316	Tragic 18.6%
Liberians	0.0 /100 \| #317	Tragic 18.6%
Bangladeshis	0.0 /100 \| #318	Tragic 18.6%
Comanche	0.0 /100 \| #319	Tragic 18.6%
Apache	0.0 /100 \| #320	Tragic 18.6%
Africans	0.0 /100 \| #321	Tragic 18.6%

Demographics Similar to Immigrants from Bulgaria by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Immigrants from Bulgaria are Immigrants from Hungary (16.7%, a difference of 0.010%), Peruvian (16.7%, a difference of 0.010%), Immigrants from Serbia (16.7%, a difference of 0.020%), Egyptian (16.7%, a difference of 0.030%), and Estonian (16.7%, a difference of 0.040%).

Demographics	Rating \| Rank	Cognitive Disability
Germans	99.3 /100 \| #72	Exceptional 16.7%
Burmese	99.3 /100 \| #73	Exceptional 16.7%
Slavs	99.3 /100 \| #74	Exceptional 16.7%
Estonians	99.3 /100 \| #75	Exceptional 16.7%
Immigrants \| Serbia	99.3 /100 \| #76	Exceptional 16.7%
Immigrants \| Hungary	99.3 /100 \| #77	Exceptional 16.7%
Peruvians	99.3 /100 \| #78	Exceptional 16.7%
Immigrants \| Bulgaria	99.3 /100 \| #79	Exceptional 16.7%
Egyptians	99.2 /100 \| #80	Exceptional 16.7%
Immigrants \| Netherlands	99.2 /100 \| #81	Exceptional 16.7%
Swiss	99.2 /100 \| #82	Exceptional 16.7%
Serbians	99.1 /100 \| #83	Exceptional 16.7%
Belgians	99.1 /100 \| #84	Exceptional 16.7%
Immigrants \| Moldova	99.1 /100 \| #85	Exceptional 16.7%
Immigrants \| South Africa	99.0 /100 \| #86	Exceptional 16.7%