Subsaharan African vs Immigrants from Trinidad and Tobago Vision Disability

The statistical analysis conducted on geographies consisting of 507,474,731 people shows a weak positive correlation between the proportion of Sub-Saharan Africans and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.288 and weighted average of 2.3%. Similarly, the statistical analysis conducted on geographies consisting of 223,458,050 people shows a weak positive correlation between the proportion of Immigrants from Trinidad and Tobago and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.268 and weighted average of 2.3%, a difference of 3.9%.

Vision Disability Correlation Summary

Measurement	Subsaharan African	Immigrants from Trinidad and Tobago
Minimum	0.34%	0.061%
Maximum	9.3%	5.3%
Range	9.0%	5.3%
Mean	2.6%	2.2%
Median	2.3%	2.2%
Interquartile 25% (IQ1)	2.0%	1.8%
Interquartile 75% (IQ3)	2.7%	2.6%
Interquartile Range (IQR)	0.74%	0.74%
Standard Deviation (Sample)	1.6%	0.72%
Standard Deviation (Population)	1.6%	0.72%

Similar Demographics by Vision Disability

Demographics Similar to Sub-Saharan Africans by Vision Disability

In terms of vision disability, the demographic groups most similar to Sub-Saharan Africans are Liberian (2.3%, a difference of 0.010%), Guatemalan (2.3%, a difference of 0.020%), French (2.3%, a difference of 0.060%), Bangladeshi (2.3%, a difference of 0.10%), and Alsatian (2.3%, a difference of 0.21%).

Demographics	Rating \| Rank	Vision Disability
Malaysians	0.9 /100 \| #241	Tragic 2.3%
Immigrants \| Panama	0.8 /100 \| #242	Tragic 2.3%
Immigrants \| Nicaragua	0.6 /100 \| #243	Tragic 2.3%
Immigrants \| West Indies	0.6 /100 \| #244	Tragic 2.3%
Alsatians	0.6 /100 \| #245	Tragic 2.3%
French	0.5 /100 \| #246	Tragic 2.3%
Guatemalans	0.5 /100 \| #247	Tragic 2.3%
Sub-Saharan Africans	0.5 /100 \| #248	Tragic 2.3%
Liberians	0.5 /100 \| #249	Tragic 2.3%
Bangladeshis	0.5 /100 \| #250	Tragic 2.3%
Immigrants \| Laos	0.4 /100 \| #251	Tragic 2.4%
Immigrants \| Micronesia	0.3 /100 \| #252	Tragic 2.4%
Japanese	0.3 /100 \| #253	Tragic 2.4%
Haitians	0.3 /100 \| #254	Tragic 2.4%
Immigrants \| Guatemala	0.3 /100 \| #255	Tragic 2.4%

Demographics Similar to Immigrants from Trinidad and Tobago by Vision Disability

In terms of vision disability, the demographic groups most similar to Immigrants from Trinidad and Tobago are Barbadian (2.3%, a difference of 0.28%), Nigerian (2.3%, a difference of 0.29%), Portuguese (2.3%, a difference of 0.34%), Ecuadorian (2.3%, a difference of 0.45%), and Trinidadian and Tobagonian (2.2%, a difference of 0.50%).

Demographics	Rating \| Rank	Vision Disability
Immigrants \| Brazil	13.1 /100 \| #209	Poor 2.2%
Immigrants \| Uruguay	11.5 /100 \| #210	Poor 2.2%
Indonesians	9.5 /100 \| #211	Tragic 2.2%
Bermudans	9.0 /100 \| #212	Tragic 2.2%
Immigrants \| Ghana	8.9 /100 \| #213	Tragic 2.2%
Trinidadians and Tobagonians	8.2 /100 \| #214	Tragic 2.2%
Nigerians	7.2 /100 \| #215	Tragic 2.3%
Immigrants \| Trinidad and Tobago	6.1 /100 \| #216	Tragic 2.3%
Barbadians	5.1 /100 \| #217	Tragic 2.3%
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%