American vs Welsh Vision Disability
COMPARE
American
 Welsh
 Vision Disability
Vision Disability Comparison
Americans
Welsh
2.6%
VISION DISABILITY
0.0/ 100
METRIC RATING
312th/ 347
METRIC RANK
2.3%
VISION DISABILITY
2.3/ 100
METRIC RATING
229th/ 347
METRIC RANK
American vs Welsh Vision Disability Correlation Chart
The statistical analysis conducted on geographies consisting of 579,371,310 people shows a substantial positive correlation between the proportion of Americans and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.571 and weighted average of 2.6%. Similarly, the statistical analysis conducted on geographies consisting of 527,426,081 people shows a mild positive correlation between the proportion of Welsh and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.396 and weighted average of 2.3%, a difference of 15.4%.
 
Vision Disability Correlation Summary
| Measurement | American | Welsh | 
| Minimum | 0.84% | 1.1% | 
| Maximum | 36.4% | 40.0% | 
| Range | 35.6% | 38.9% | 
| Mean | 5.5% | 5.8% | 
| Median | 3.7% | 3.0% | 
| Interquartile 25% (IQ1) | 3.1% | 2.5% | 
| Interquartile 75% (IQ3) | 5.6% | 7.3% | 
| Interquartile Range (IQR) | 2.5% | 4.8% | 
| Standard Deviation (Sample) | 4.9% | 6.6% | 
| Standard Deviation (Population) | 4.9% | 6.5% | 
Similar Demographics by Vision Disability
Demographics Similar to Americans by Vision Disability
In terms of vision disability, the demographic groups most similar to Americans are Potawatomi (2.6%, a difference of 0.010%), Inupiat (2.7%, a difference of 0.080%), Dominican (2.6%, a difference of 0.83%), Blackfeet (2.6%, a difference of 0.87%), and Immigrants from Yemen (2.6%, a difference of 1.2%).
| Demographics | Rating | Rank | Vision Disability | 
| 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% | 
| Arapaho | 0.0 /100 | #308 | Tragic 2.6% | 
| Immigrants | Yemen | 0.0 /100 | #309 | Tragic 2.6% | 
| Blackfeet | 0.0 /100 | #310 | Tragic 2.6% | 
| Dominicans | 0.0 /100 | #311 | Tragic 2.6% | 
| Americans | 0.0 /100 | #312 | Tragic 2.6% | 
| Potawatomi | 0.0 /100 | #313 | Tragic 2.6% | 
| Inupiat | 0.0 /100 | #314 | Tragic 2.7% | 
| Osage | 0.0 /100 | #315 | Tragic 2.7% | 
| Shoshone | 0.0 /100 | #316 | Tragic 2.7% | 
| Yup'ik | 0.0 /100 | #317 | Tragic 2.7% | 
| Alaska Natives | 0.0 /100 | #318 | Tragic 2.7% | 
| Tohono O'odham | 0.0 /100 | #319 | Tragic 2.8% | 
Demographics Similar to Welsh by Vision Disability
In terms of vision disability, the demographic groups most similar to Welsh are Nicaraguan (2.3%, a difference of 0.070%), Hmong (2.3%, a difference of 0.080%), Immigrants from Ecuador (2.3%, a difference of 0.23%), Hawaiian (2.3%, a difference of 0.32%), and Immigrants from Germany (2.3%, a difference of 0.37%).
| Demographics | Rating | Rank | Vision Disability | 
| 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% | 
| Hawaiians | 2.9 /100 | #227 | Tragic 2.3% | 
| Hmong | 2.5 /100 | #228 | Tragic 2.3% | 
| Welsh | 2.3 /100 | #229 | Tragic 2.3% | 
| Nicaraguans | 2.2 /100 | #230 | Tragic 2.3% | 
| Immigrants | Ecuador | 2.0 /100 | #231 | Tragic 2.3% | 
| 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% |