Immigrants from Western Africa vs South American Vision Disability

The statistical analysis conducted on geographies consisting of 357,586,562 people shows a poor positive correlation between the proportion of Immigrants from Western Africa and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.141 and weighted average of 2.3%. Similarly, the statistical analysis conducted on geographies consisting of 493,362,805 people shows a weak negative correlation between the proportion of South Americans and percentage of population with vision disability in the United States with a correlation coefficient (R) of -0.250 and weighted average of 2.1%, a difference of 7.9%.

Vision Disability Correlation Summary

Measurement	Immigrants from Western Africa	South American
Minimum	0.83%	0.16%
Maximum	4.8%	4.0%
Range	3.9%	3.9%
Mean	2.3%	2.0%
Median	2.3%	2.0%
Interquartile 25% (IQ1)	2.0%	1.8%
Interquartile 75% (IQ3)	2.6%	2.2%
Interquartile Range (IQR)	0.61%	0.40%
Standard Deviation (Sample)	0.66%	0.66%
Standard Deviation (Population)	0.65%	0.66%

Similar Demographics by Vision Disability

Demographics Similar to Immigrants from Western Africa by Vision Disability

In terms of vision disability, the demographic groups most similar to Immigrants from Western Africa are Irish (2.3%, a difference of 0.010%), Basque (2.3%, a difference of 0.040%), Immigrants from Senegal (2.3%, a difference of 0.18%), French Canadian (2.3%, a difference of 0.20%), and Guamanian/Chamorro (2.3%, a difference of 0.22%).

Demographics	Rating \| Rank	Vision Disability
Portuguese	4.9 /100 \| #218	Tragic 2.3%
Ecuadorians	4.6 /100 \| #219	Tragic 2.3%
Guamanians/Chamorros	3.9 /100 \| #220	Tragic 2.3%
French Canadians	3.9 /100 \| #221	Tragic 2.3%
Immigrants \| Senegal	3.8 /100 \| #222	Tragic 2.3%
Basques	3.5 /100 \| #223	Tragic 2.3%
Irish	3.4 /100 \| #224	Tragic 2.3%
Immigrants \| Western Africa	3.4 /100 \| #225	Tragic 2.3%
Immigrants \| Germany	3.0 /100 \| #226	Tragic 2.3%
Hawaiians	2.9 /100 \| #227	Tragic 2.3%
Hmong	2.5 /100 \| #228	Tragic 2.3%
Welsh	2.3 /100 \| #229	Tragic 2.3%
Nicaraguans	2.2 /100 \| #230	Tragic 2.3%
Immigrants \| Ecuador	2.0 /100 \| #231	Tragic 2.3%
German Russians	1.8 /100 \| #232	Tragic 2.3%

Demographics Similar to South Americans by Vision Disability

In terms of vision disability, the demographic groups most similar to South Americans are Immigrants from Sierra Leone (2.1%, a difference of 0.0%), Ukrainian (2.1%, a difference of 0.11%), Sierra Leonean (2.1%, a difference of 0.15%), Immigrants from Bosnia and Herzegovina (2.1%, a difference of 0.15%), and Immigrants from Netherlands (2.1%, a difference of 0.16%).

Demographics	Rating \| Rank	Vision Disability
Vietnamese	86.7 /100 \| #135	Excellent 2.1%
Czechs	86.3 /100 \| #136	Excellent 2.1%
Immigrants \| South Eastern Asia	86.3 /100 \| #137	Excellent 2.1%
Arabs	86.3 /100 \| #138	Excellent 2.1%
Immigrants \| Morocco	85.2 /100 \| #139	Excellent 2.1%
Immigrants \| Netherlands	84.2 /100 \| #140	Excellent 2.1%
Sierra Leoneans	84.1 /100 \| #141	Excellent 2.1%
South Americans	82.8 /100 \| #142	Excellent 2.1%
Immigrants \| Sierra Leone	82.8 /100 \| #143	Excellent 2.1%
Ukrainians	81.9 /100 \| #144	Excellent 2.1%
Immigrants \| Bosnia and Herzegovina	81.5 /100 \| #145	Excellent 2.1%
Italians	79.7 /100 \| #146	Good 2.1%
Immigrants \| Sudan	78.4 /100 \| #147	Good 2.1%
Finns	78.3 /100 \| #148	Good 2.1%
Colombians	76.2 /100 \| #149	Good 2.1%