Nigerian vs South American Vision Disability
COMPARE
Nigerian
 South American
 Vision Disability
Vision Disability Comparison
Nigerians
South Americans
2.3%
VISION DISABILITY
7.2/ 100
METRIC RATING
215th/ 347
METRIC RANK
2.1%
VISION DISABILITY
82.8/ 100
METRIC RATING
142nd/ 347
METRIC RANK
Nigerian vs South American Vision Disability Correlation Chart
The statistical analysis conducted on geographies consisting of 332,578,519 people shows a poor positive correlation between the proportion of Nigerians and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.185 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 6.7%.
 
Vision Disability Correlation Summary
| Measurement | Nigerian | South American | 
| Minimum | 0.62% | 0.16% | 
| Maximum | 14.0% | 4.0% | 
| Range | 13.4% | 3.9% | 
| Mean | 2.6% | 2.0% | 
| Median | 2.2% | 2.0% | 
| Interquartile 25% (IQ1) | 1.8% | 1.8% | 
| Interquartile 75% (IQ3) | 2.5% | 2.2% | 
| Interquartile Range (IQR) | 0.74% | 0.40% | 
| Standard Deviation (Sample) | 1.9% | 0.66% | 
| Standard Deviation (Population) | 1.9% | 0.66% | 
Similar Demographics by Vision Disability
Demographics Similar to Nigerians by Vision Disability
In terms of vision disability, the demographic groups most similar to Nigerians are Trinidadian and Tobagonian (2.2%, a difference of 0.21%), Immigrants from Trinidad and Tobago (2.3%, a difference of 0.29%), Immigrants from Ghana (2.2%, a difference of 0.34%), Bermudan (2.2%, a difference of 0.35%), and Indonesian (2.2%, a difference of 0.44%).
| Demographics | Rating | Rank | Vision Disability | 
| Germans | 13.4 /100 | #208  | Poor 2.2%  | 
| 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%  | 
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%  |