Icelander vs Immigrants from South Africa Cognitive Disability

The statistical analysis conducted on geographies consisting of 159,644,345 people shows a poor negative correlation between the proportion of Icelanders and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of -0.191 and weighted average of 17.6%. Similarly, the statistical analysis conducted on geographies consisting of 233,312,895 people shows a slight positive correlation between the proportion of Immigrants from South Africa and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of 0.091 and weighted average of 16.7%, a difference of 5.4%.

Cognitive Disability Correlation Summary

Measurement	Icelander	Immigrants from South Africa
Minimum	0.44%	2.5%
Maximum	26.7%	23.0%
Range	26.3%	20.5%
Mean	13.3%	12.7%
Median	12.8%	12.6%
Interquartile 25% (IQ1)	11.0%	10.8%
Interquartile 75% (IQ3)	16.8%	14.9%
Interquartile Range (IQR)	5.7%	4.1%
Standard Deviation (Sample)	5.1%	4.1%
Standard Deviation (Population)	5.0%	4.0%

Similar Demographics by Cognitive Disability

Demographics Similar to Icelanders by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Icelanders are Immigrants from Sierra Leone (17.6%, a difference of 0.010%), Salvadoran (17.6%, a difference of 0.030%), Zimbabwean (17.6%, a difference of 0.040%), Okinawan (17.6%, a difference of 0.050%), and Moroccan (17.6%, a difference of 0.050%).

Demographics	Rating \| Rank	Cognitive Disability
Taiwanese	7.7 /100 \| #211	Tragic 17.6%
Immigrants \| Oceania	7.3 /100 \| #212	Tragic 17.6%
Hawaiians	7.2 /100 \| #213	Tragic 17.6%
Immigrants \| El Salvador	7.0 /100 \| #214	Tragic 17.6%
Alaskan Athabascans	6.9 /100 \| #215	Tragic 17.6%
Okinawans	6.8 /100 \| #216	Tragic 17.6%
Salvadorans	6.7 /100 \| #217	Tragic 17.6%
Icelanders	6.4 /100 \| #218	Tragic 17.6%
Immigrants \| Sierra Leone	6.3 /100 \| #219	Tragic 17.6%
Zimbabweans	6.1 /100 \| #220	Tragic 17.6%
Moroccans	5.9 /100 \| #221	Tragic 17.6%
Central Americans	4.5 /100 \| #222	Tragic 17.7%
Alsatians	4.5 /100 \| #223	Tragic 17.7%
Fijians	3.4 /100 \| #224	Tragic 17.7%
Vietnamese	3.4 /100 \| #225	Tragic 17.7%

Demographics Similar to Immigrants from South Africa by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Immigrants from South Africa are Native Hawaiian (16.7%, a difference of 0.010%), Immigrants from Moldova (16.7%, a difference of 0.030%), Belgian (16.7%, a difference of 0.050%), Serbian (16.7%, a difference of 0.070%), and Immigrants from Philippines (16.7%, a difference of 0.070%).

Demographics	Rating \| Rank	Cognitive Disability
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%
Native Hawaiians	99.0 /100 \| #87	Exceptional 16.7%
Immigrants \| Philippines	99.0 /100 \| #88	Exceptional 16.7%
Immigrants \| Egypt	98.8 /100 \| #89	Exceptional 16.7%
South Americans	98.8 /100 \| #90	Exceptional 16.7%
Danes	98.8 /100 \| #91	Exceptional 16.7%
Immigrants \| South America	98.8 /100 \| #92	Exceptional 16.7%
Immigrants \| Southern Europe	98.7 /100 \| #93	Exceptional 16.7%