African vs Japanese Vision Disability
COMPARE
African
 Japanese
 Vision Disability
Vision Disability Comparison
Africans
Japanese
2.5%
VISION DISABILITY
0.0/ 100
METRIC RATING
300th/ 347
METRIC RANK
2.4%
VISION DISABILITY
0.3/ 100
METRIC RATING
253rd/ 347
METRIC RANK
African vs Japanese Vision Disability Correlation Chart
The statistical analysis conducted on geographies consisting of 469,580,037 people shows a mild positive correlation between the proportion of Africans and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.303 and weighted average of 2.5%. Similarly, the statistical analysis conducted on geographies consisting of 249,077,012 people shows a strong positive correlation between the proportion of Japanese and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.715 and weighted average of 2.4%, a difference of 7.5%.
 
Vision Disability Correlation Summary
| Measurement | African | Japanese | 
| Minimum | 0.34% | 0.43% | 
| Maximum | 9.3% | 14.1% | 
| Range | 9.0% | 13.7% | 
| Mean | 3.4% | 3.6% | 
| Median | 3.1% | 2.8% | 
| Interquartile 25% (IQ1) | 2.5% | 2.2% | 
| Interquartile 75% (IQ3) | 3.7% | 3.4% | 
| Interquartile Range (IQR) | 1.1% | 1.2% | 
| Standard Deviation (Sample) | 1.8% | 2.6% | 
| Standard Deviation (Population) | 1.8% | 2.5% | 
Similar Demographics by Vision Disability
Demographics Similar to Africans by Vision Disability
In terms of vision disability, the demographic groups most similar to Africans are Menominee (2.5%, a difference of 0.18%), Cree (2.5%, a difference of 0.20%), Mexican (2.5%, a difference of 0.24%), Immigrants from Dominica (2.5%, a difference of 0.37%), and Immigrants from Mexico (2.5%, a difference of 1.1%).
| Demographics | Rating | Rank | Vision Disability | 
| Yaqui | 0.0 /100 | #293 | Tragic 2.5% | 
| Ottawa | 0.0 /100 | #294 | Tragic 2.5% | 
| Delaware | 0.0 /100 | #295 | Tragic 2.5% | 
| Immigrants | Mexico | 0.0 /100 | #296 | Tragic 2.5% | 
| Immigrants | Dominica | 0.0 /100 | #297 | Tragic 2.5% | 
| Mexicans | 0.0 /100 | #298 | Tragic 2.5% | 
| Cree | 0.0 /100 | #299 | Tragic 2.5% | 
| Africans | 0.0 /100 | #300 | Tragic 2.5% | 
| Menominee | 0.0 /100 | #301 | Tragic 2.5% | 
| Spanish American Indians | 0.0 /100 | #302 | Tragic 2.6% | 
| Immigrants | Cabo Verde | 0.0 /100 | #303 | Tragic 2.6% | 
| Aleuts | 0.0 /100 | #304 | Tragic 2.6% | 
| 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% | 
Demographics Similar to Japanese by Vision Disability
In terms of vision disability, the demographic groups most similar to Japanese are Immigrants from Micronesia (2.4%, a difference of 0.070%), Haitian (2.4%, a difference of 0.28%), Immigrants from Guatemala (2.4%, a difference of 0.31%), Immigrants from Laos (2.4%, a difference of 0.39%), and Bangladeshi (2.3%, a difference of 0.50%).
| Demographics | Rating | Rank | Vision Disability | 
| 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% | 
| Japanese | 0.3 /100 | #253 | Tragic 2.4% | 
| Haitians | 0.3 /100 | #254 | Tragic 2.4% | 
| Immigrants | Guatemala | 0.3 /100 | #255 | Tragic 2.4% | 
| Immigrants | Haiti | 0.2 /100 | #256 | Tragic 2.4% | 
| West Indians | 0.2 /100 | #257 | Tragic 2.4% | 
| British West Indians | 0.2 /100 | #258 | Tragic 2.4% | 
| Whites/Caucasians | 0.2 /100 | #259 | Tragic 2.4% | 
| Belizeans | 0.2 /100 | #260 | Tragic 2.4% |