African vs South American Vision Disability
COMPARE
African
 South American
 Vision Disability
Vision Disability Comparison
Africans
South Americans
2.5%
VISION DISABILITY
0.0/ 100
METRIC RATING
300th/ 347
METRIC RANK
2.1%
VISION DISABILITY
82.8/ 100
METRIC RATING
142nd/ 347
METRIC RANK
African vs South American Vision Disability Correlation Chart
The statistical analysis conducted on geographies consisting of 469,580,037 people shows a mild positive correlation between the proportion of Africans and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.303 and weighted average of 2.5%. 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 20.2%.
 
Vision Disability Correlation Summary
| Measurement | African | South American | 
| Minimum | 0.34% | 0.16% | 
| Maximum | 9.3% | 4.0% | 
| Range | 9.0% | 3.9% | 
| Mean | 3.4% | 2.0% | 
| Median | 3.1% | 2.0% | 
| Interquartile 25% (IQ1) | 2.5% | 1.8% | 
| Interquartile 75% (IQ3) | 3.7% | 2.2% | 
| Interquartile Range (IQR) | 1.1% | 0.40% | 
| Standard Deviation (Sample) | 1.8% | 0.66% | 
| Standard Deviation (Population) | 1.8% | 0.66% | 
Similar Demographics by Vision Disability
Demographics Similar to Africans by Vision Disability
In terms of vision disability, the demographic groups most similar to Africans are Menominee (2.5%, a difference of 0.18%), Cree (2.5%, a difference of 0.20%), Mexican (2.5%, a difference of 0.24%), Immigrants from Dominica (2.5%, a difference of 0.37%), and Immigrants from Mexico (2.5%, a difference of 1.1%).
| Demographics | Rating | Rank | Vision Disability | 
| Yaqui | 0.0 /100 | #293  | Tragic 2.5%  | 
| Ottawa | 0.0 /100 | #294  | Tragic 2.5%  | 
| Delaware | 0.0 /100 | #295  | Tragic 2.5%  | 
| Immigrants | Mexico | 0.0 /100 | #296  | Tragic 2.5%  | 
| Immigrants | Dominica | 0.0 /100 | #297  | Tragic 2.5%  | 
| Mexicans | 0.0 /100 | #298  | Tragic 2.5%  | 
| Cree | 0.0 /100 | #299  | Tragic 2.5%  | 
| Africans | 0.0 /100 | #300  | Tragic 2.5%  | 
| Menominee | 0.0 /100 | #301  | Tragic 2.5%  | 
| Spanish American Indians | 0.0 /100 | #302  | Tragic 2.6%  | 
| Immigrants | Cabo Verde | 0.0 /100 | #303  | Tragic 2.6%  | 
| Aleuts | 0.0 /100 | #304  | Tragic 2.6%  | 
| Hispanics or Latinos | 0.0 /100 | #305  | Tragic 2.6%  | 
| Iroquois | 0.0 /100 | #306  | Tragic 2.6%  | 
| Immigrants | Dominican Republic | 0.0 /100 | #307  | Tragic 2.6%  | 
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%  |