Portuguese vs Immigrants from Iran Cognitive Disability

The statistical analysis conducted on geographies consisting of 450,269,576 people shows a slight negative correlation between the proportion of Portuguese and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of -0.084 and weighted average of 16.9%. Similarly, the statistical analysis conducted on geographies consisting of 279,837,445 people shows a substantial positive correlation between the proportion of Immigrants from Iran and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of 0.529 and weighted average of 16.5%, a difference of 2.4%.

Cognitive Disability Correlation Summary

Measurement	Portuguese	Immigrants from Iran
Minimum	0.38%	3.9%
Maximum	29.1%	52.5%
Range	28.7%	48.6%
Mean	16.2%	15.5%
Median	16.0%	14.9%
Interquartile 25% (IQ1)	14.8%	12.3%
Interquartile 75% (IQ3)	17.9%	17.5%
Interquartile Range (IQR)	3.1%	5.3%
Standard Deviation (Sample)	4.4%	5.7%
Standard Deviation (Population)	4.4%	5.7%

Similar Demographics by Cognitive Disability

Demographics Similar to Portuguese by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Portuguese are Immigrants from Western Europe (16.9%, a difference of 0.010%), Turkish (16.9%, a difference of 0.020%), Immigrants from China (16.9%, a difference of 0.030%), Scottish (16.9%, a difference of 0.040%), and Scandinavian (16.9%, a difference of 0.080%).

Demographics	Rating \| Rank	Cognitive Disability
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%
Immigrants \| Costa Rica	93.1 /100 \| #127	Exceptional 17.0%
Nicaraguans	93.0 /100 \| #128	Exceptional 17.0%
Immigrants \| Uruguay	92.9 /100 \| #129	Exceptional 17.0%
Immigrants \| Vietnam	92.4 /100 \| #130	Exceptional 17.0%

Demographics Similar to Immigrants from Iran by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Immigrants from Iran are Swedish (16.5%, a difference of 0.040%), Immigrants from Venezuela (16.5%, a difference of 0.090%), Soviet Union (16.5%, a difference of 0.10%), Immigrants from Korea (16.5%, a difference of 0.14%), and Austrian (16.6%, a difference of 0.18%).

Demographics	Rating \| Rank	Cognitive Disability
Immigrants \| Italy	99.8 /100 \| #47	Exceptional 16.5%
Immigrants \| North America	99.8 /100 \| #48	Exceptional 16.5%
Iranians	99.8 /100 \| #49	Exceptional 16.5%
Norwegians	99.8 /100 \| #50	Exceptional 16.5%
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%