Immigrants from Bulgaria vs South African Cognitive Disability

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%. 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 1.4%.

Cognitive Disability Correlation Summary

Measurement	Immigrants from Bulgaria	South African
Minimum	4.6%	2.5%
Maximum	21.3%	19.8%
Range	16.7%	17.3%
Mean	13.4%	12.8%
Median	13.5%	12.9%
Interquartile 25% (IQ1)	11.3%	11.2%
Interquartile 75% (IQ3)	15.9%	15.8%
Interquartile Range (IQR)	4.6%	4.7%
Standard Deviation (Sample)	3.9%	4.2%
Standard Deviation (Population)	3.8%	4.1%

Similar Demographics by Cognitive Disability

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%

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%