Immigrants from South Africa vs South American Vision Disability

The statistical analysis conducted on geographies consisting of 233,222,881 people shows a weak positive correlation between the proportion of Immigrants from South Africa and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.234 and weighted average of 2.1%. Similarly, 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%, a difference of 2.4%.

Vision Disability Correlation Summary

Measurement	Immigrants from South Africa	South American
Minimum	0.40%	0.16%
Maximum	8.6%	4.0%
Range	8.2%	3.9%
Mean	2.9%	2.0%
Median	2.2%	2.0%
Interquartile 25% (IQ1)	1.8%	1.8%
Interquartile 75% (IQ3)	3.7%	2.2%
Interquartile Range (IQR)	1.9%	0.40%
Standard Deviation (Sample)	2.0%	0.66%
Standard Deviation (Population)	1.9%	0.66%

Similar Demographics by Vision Disability

Demographics Similar to Immigrants from South Africa by Vision Disability

In terms of vision disability, the demographic groups most similar to Immigrants from South Africa are Immigrants from Afghanistan (2.1%, a difference of 0.050%), Estonian (2.1%, a difference of 0.070%), Romanian (2.1%, a difference of 0.11%), Greek (2.1%, a difference of 0.11%), and Australian (2.1%, a difference of 0.17%).

Demographics	Rating \| Rank	Vision Disability
Immigrants \| Somalia	96.2 /100 \| #91	Exceptional 2.1%
Immigrants \| Syria	96.2 /100 \| #92	Exceptional 2.1%
Immigrants \| Europe	96.1 /100 \| #93	Exceptional 2.1%
Immigrants \| Croatia	96.0 /100 \| #94	Exceptional 2.1%
Australians	95.9 /100 \| #95	Exceptional 2.1%
Romanians	95.7 /100 \| #96	Exceptional 2.1%
Immigrants \| Afghanistan	95.6 /100 \| #97	Exceptional 2.1%
Immigrants \| South Africa	95.4 /100 \| #98	Exceptional 2.1%
Estonians	95.3 /100 \| #99	Exceptional 2.1%
Greeks	95.1 /100 \| #100	Exceptional 2.1%
Albanians	94.9 /100 \| #101	Exceptional 2.1%
Sri Lankans	94.8 /100 \| #102	Exceptional 2.1%
Immigrants \| Austria	94.4 /100 \| #103	Exceptional 2.1%
Immigrants \| Italy	94.4 /100 \| #104	Exceptional 2.1%
Carpatho Rusyns	94.3 /100 \| #105	Exceptional 2.1%

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%