South American vs Portuguese Vision Disability
COMPARE
South American
Portuguese
Vision Disability
Vision Disability Comparison
South Americans
Portuguese
2.1%
VISION DISABILITY
82.8/ 100
METRIC RATING
142nd/ 347
METRIC RANK
2.3%
VISION DISABILITY
4.9/ 100
METRIC RATING
218th/ 347
METRIC RANK
South American vs Portuguese Vision Disability Correlation Chart
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%. Similarly, the statistical analysis conducted on geographies consisting of 449,734,569 people shows a slight negative correlation between the proportion of Portuguese and percentage of population with vision disability in the United States with a correlation coefficient (R) of -0.078 and weighted average of 2.3%, a difference of 7.3%.
Vision Disability Correlation Summary
| Measurement | South American | Portuguese |
| Minimum | 0.16% | 0.39% |
| Maximum | 4.0% | 7.6% |
| Range | 3.9% | 7.2% |
| Mean | 2.0% | 2.5% |
| Median | 2.0% | 2.3% |
| Interquartile 25% (IQ1) | 1.8% | 2.0% |
| Interquartile 75% (IQ3) | 2.2% | 2.7% |
| Interquartile Range (IQR) | 0.40% | 0.65% |
| Standard Deviation (Sample) | 0.66% | 1.2% |
| Standard Deviation (Population) | 0.66% | 1.2% |
Similar Demographics by Vision Disability
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% |
Demographics Similar to Portuguese by Vision Disability
In terms of vision disability, the demographic groups most similar to Portuguese are Barbadian (2.3%, a difference of 0.070%), Ecuadorian (2.3%, a difference of 0.11%), Immigrants from Trinidad and Tobago (2.3%, a difference of 0.34%), Guamanian/Chamorro (2.3%, a difference of 0.35%), and French Canadian (2.3%, a difference of 0.36%).
| Demographics | Rating | Rank | Vision Disability |
| 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% |
| Irish | 3.4 /100 | #224 | Tragic 2.3% |
| Immigrants | Western Africa | 3.4 /100 | #225 | Tragic 2.3% |