Immigrants from South Africa vs Guamanian/Chamorro 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 221,799,275 people shows a moderate positive correlation between the proportion of Guamanians/Chamorros and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.427 and weighted average of 2.3%, a difference of 10.3%.

Vision Disability Correlation Summary

Measurement	Immigrants from South Africa	Guamanian/Chamorro
Minimum	0.40%	0.50%
Maximum	8.6%	7.8%
Range	8.2%	7.3%
Mean	2.9%	2.8%
Median	2.2%	2.5%
Interquartile 25% (IQ1)	1.8%	2.1%
Interquartile 75% (IQ3)	3.7%	3.0%
Interquartile Range (IQR)	1.9%	0.87%
Standard Deviation (Sample)	2.0%	1.5%
Standard Deviation (Population)	1.9%	1.5%

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 Guamanians/Chamorros by Vision Disability

In terms of vision disability, the demographic groups most similar to Guamanians/Chamorros are French Canadian (2.3%, a difference of 0.020%), Immigrants from Senegal (2.3%, a difference of 0.040%), Basque (2.3%, a difference of 0.18%), Irish (2.3%, a difference of 0.20%), and Immigrants from Western Africa (2.3%, a difference of 0.22%).

Demographics	Rating \| Rank	Vision Disability
Immigrants \| Ghana	8.9 /100 \| #213	Tragic 2.2%
Trinidadians and Tobagonians	8.2 /100 \| #214	Tragic 2.2%
Nigerians	7.2 /100 \| #215	Tragic 2.3%
Immigrants \| Trinidad and Tobago	6.1 /100 \| #216	Tragic 2.3%
Barbadians	5.1 /100 \| #217	Tragic 2.3%
Portuguese	4.9 /100 \| #218	Tragic 2.3%
Ecuadorians	4.6 /100 \| #219	Tragic 2.3%
Guamanians/Chamorros	3.9 /100 \| #220	Tragic 2.3%
French Canadians	3.9 /100 \| #221	Tragic 2.3%
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%