Immigrants from Bulgaria vs Pennsylvania German 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 234,106,123 people shows a substantial positive correlation between the proportion of Pennsylvania Germans and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of 0.585 and weighted average of 16.6%, a difference of 0.57%.

Cognitive Disability Correlation Summary

Measurement	Immigrants from Bulgaria	Pennsylvania German
Minimum	4.6%	3.1%
Maximum	21.3%	87.0%
Range	16.7%	83.8%
Mean	13.4%	21.1%
Median	13.5%	15.5%
Interquartile 25% (IQ1)	11.3%	13.2%
Interquartile 75% (IQ3)	15.9%	19.5%
Interquartile Range (IQR)	4.6%	6.3%
Standard Deviation (Sample)	3.9%	16.7%
Standard Deviation (Population)	3.8%	16.6%

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 Pennsylvania Germans by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Pennsylvania Germans are Immigrants from Peru (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
Immigrants \| Korea	99.8 /100 \| #51	Exceptional 16.5%
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%