Immigrants from Portugal vs Subsaharan African Vision Disability
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Immigrants from Portugal
Subsaharan African
Vision Disability
Vision Disability Comparison
Immigrants from Portugal
Sub-Saharan Africans
2.3%
VISION DISABILITY
1.4/ 100
METRIC RATING
237th/ 347
METRIC RANK
2.3%
VISION DISABILITY
0.5/ 100
METRIC RATING
248th/ 347
METRIC RANK
Immigrants from Portugal vs Subsaharan African Vision Disability Correlation Chart
The statistical analysis conducted on geographies consisting of 174,661,842 people shows a poor positive correlation between the proportion of Immigrants from Portugal and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.141 and weighted average of 2.3%. Similarly, 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%, a difference of 1.5%.

Vision Disability Correlation Summary
| Measurement | Immigrants from Portugal | Subsaharan African |
| Minimum | 0.66% | 0.34% |
| Maximum | 8.3% | 9.3% |
| Range | 7.6% | 9.0% |
| Mean | 2.4% | 2.6% |
| Median | 2.1% | 2.3% |
| Interquartile 25% (IQ1) | 1.8% | 2.0% |
| Interquartile 75% (IQ3) | 2.4% | 2.7% |
| Interquartile Range (IQR) | 0.59% | 0.74% |
| Standard Deviation (Sample) | 1.2% | 1.6% |
| Standard Deviation (Population) | 1.2% | 1.6% |
Demographics Similar to Immigrants from Portugal and Sub-Saharan Africans by Vision Disability
In terms of vision disability, the demographic groups most similar to Immigrants from Portugal are Immigrants from Congo (2.3%, a difference of 0.050%), Marshallese (2.3%, a difference of 0.14%), Scottish (2.3%, a difference of 0.21%), Immigrants from Cambodia (2.3%, a difference of 0.27%), and English (2.3%, a difference of 0.29%). Similarly, 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 |
| German Russians | 1.8 /100 | #232 | Tragic 2.3% |
| Central Americans | 1.8 /100 | #233 | Tragic 2.3% |
| Scottish | 1.6 /100 | #234 | Tragic 2.3% |
| Marshallese | 1.5 /100 | #235 | Tragic 2.3% |
| Immigrants | Congo | 1.4 /100 | #236 | Tragic 2.3% |
| Immigrants | Portugal | 1.4 /100 | #237 | Tragic 2.3% |
| Immigrants | Cambodia | 1.1 /100 | #238 | Tragic 2.3% |
| English | 1.1 /100 | #239 | Tragic 2.3% |
| Panamanians | 0.9 /100 | #240 | Tragic 2.3% |
| 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% |