Trinidadian and Tobagonian vs Portuguese Vision Disability
COMPARE
Trinidadian and Tobagonian
 Portuguese
 Vision Disability
Vision Disability Comparison
Trinidadians and Tobagonians
Portuguese
2.2%
VISION DISABILITY
8.2/ 100
METRIC RATING
214th/ 347
METRIC RANK
2.3%
VISION DISABILITY
4.9/ 100
METRIC RATING
218th/ 347
METRIC RANK
Trinidadian and Tobagonian vs Portuguese Vision Disability Correlation Chart
The statistical analysis conducted on geographies consisting of 219,745,653 people shows a mild negative correlation between the proportion of Trinidadians and Tobagonians and percentage of population with vision disability in the United States with a correlation coefficient (R) of -0.346 and weighted average of 2.2%. 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 0.84%.
 
Vision Disability Correlation Summary
| Measurement | Trinidadian and Tobagonian | Portuguese | 
| Minimum | 0.49% | 0.39% | 
| Maximum | 4.1% | 7.6% | 
| Range | 3.6% | 7.2% | 
| Mean | 2.1% | 2.5% | 
| Median | 2.2% | 2.3% | 
| Interquartile 25% (IQ1) | 1.5% | 2.0% | 
| Interquartile 75% (IQ3) | 2.4% | 2.7% | 
| Interquartile Range (IQR) | 0.92% | 0.65% | 
| Standard Deviation (Sample) | 0.75% | 1.2% | 
| Standard Deviation (Population) | 0.74% | 1.2% | 
Demographics Similar to Trinidadians and Tobagonians and Portuguese by Vision Disability
In terms of vision disability, the demographic groups most similar to Trinidadians and Tobagonians are Immigrants from Ghana (2.2%, a difference of 0.13%), Bermudan (2.2%, a difference of 0.14%), Nigerian (2.3%, a difference of 0.21%), Indonesian (2.2%, a difference of 0.23%), and Immigrants from Trinidad and Tobago (2.3%, a difference of 0.50%). Similarly, 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 | 
| Pennsylvania Germans | 14.5 /100 | #206 | Poor 2.2% | 
| Immigrants | Nigeria | 13.5 /100 | #207 | Poor 2.2% | 
| 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% | 
| 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% |