South American vs Immigrants from Middle Africa Vision Disability

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 202,642,272 people shows a weak positive correlation between the proportion of Immigrants from Middle Africa and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.217 and weighted average of 2.2%, a difference of 3.6%.

Vision Disability Correlation Summary

Measurement	South American	Immigrants from Middle Africa
Minimum	0.16%	0.56%
Maximum	4.0%	10.3%
Range	3.9%	9.7%
Mean	2.0%	2.4%
Median	2.0%	2.1%
Interquartile 25% (IQ1)	1.8%	1.7%
Interquartile 75% (IQ3)	2.2%	2.4%
Interquartile Range (IQR)	0.40%	0.66%
Standard Deviation (Sample)	0.66%	1.6%
Standard Deviation (Population)	0.66%	1.5%

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 Immigrants from Middle Africa by Vision Disability

In terms of vision disability, the demographic groups most similar to Immigrants from Middle Africa are Native Hawaiian (2.2%, a difference of 0.020%), Moroccan (2.2%, a difference of 0.13%), Immigrants from St. Vincent and the Grenadines (2.2%, a difference of 0.23%), Immigrants from Burma/Myanmar (2.2%, a difference of 0.30%), and Guyanese (2.2%, a difference of 0.34%).

Demographics	Rating \| Rank	Vision Disability
Immigrants \| Oceania	45.1 /100 \| #178	Average 2.2%
Immigrants \| North America	44.5 /100 \| #179	Average 2.2%
Uruguayans	42.7 /100 \| #180	Average 2.2%
Immigrants \| Western Europe	41.1 /100 \| #181	Average 2.2%
Costa Ricans	40.7 /100 \| #182	Average 2.2%
Immigrants \| Burma/Myanmar	37.9 /100 \| #183	Fair 2.2%
Moroccans	35.4 /100 \| #184	Fair 2.2%
Immigrants \| Middle Africa	33.5 /100 \| #185	Fair 2.2%
Native Hawaiians	33.3 /100 \| #186	Fair 2.2%
Immigrants \| St. Vincent and the Grenadines	30.3 /100 \| #187	Fair 2.2%
Guyanese	28.9 /100 \| #188	Fair 2.2%
Salvadorans	27.4 /100 \| #189	Fair 2.2%
Immigrants \| Costa Rica	26.1 /100 \| #190	Fair 2.2%
Canadians	25.8 /100 \| #191	Fair 2.2%
Europeans	25.7 /100 \| #192	Fair 2.2%