Afghan vs Immigrants from Portugal Vision Disability

The statistical analysis conducted on geographies consisting of 148,842,568 people shows a substantial positive correlation between the proportion of Afghans and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.546 and weighted average of 2.0%. Similarly, the statistical analysis conducted on geographies consisting of 174,661,842 people shows a poor positive correlation between the proportion of Immigrants from Portugal and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.141 and weighted average of 2.3%, a difference of 16.5%.

Vision Disability Correlation Summary

Measurement	Afghan	Immigrants from Portugal
Minimum	0.32%	0.66%
Maximum	7.0%	8.3%
Range	6.7%	7.6%
Mean	2.1%	2.4%
Median	1.9%	2.1%
Interquartile 25% (IQ1)	1.5%	1.8%
Interquartile 75% (IQ3)	2.3%	2.4%
Interquartile Range (IQR)	0.76%	0.59%
Standard Deviation (Sample)	1.0%	1.2%
Standard Deviation (Population)	1.0%	1.2%

Similar Demographics by Vision Disability

Demographics Similar to Afghans by Vision Disability

In terms of vision disability, the demographic groups most similar to Afghans are Latvian (2.0%, a difference of 0.060%), Tongan (2.0%, a difference of 0.090%), Israeli (2.0%, a difference of 0.13%), Immigrants from Serbia (2.0%, a difference of 0.40%), and Immigrants from Belarus (2.0%, a difference of 0.51%).

Demographics	Rating \| Rank	Vision Disability
Eastern Europeans	99.7 /100 \| #43	Exceptional 2.0%
Immigrants \| Indonesia	99.7 /100 \| #44	Exceptional 2.0%
Ethiopians	99.7 /100 \| #45	Exceptional 2.0%
Immigrants \| Sweden	99.7 /100 \| #46	Exceptional 2.0%
Immigrants \| Bulgaria	99.7 /100 \| #47	Exceptional 2.0%
Israelis	99.6 /100 \| #48	Exceptional 2.0%
Latvians	99.5 /100 \| #49	Exceptional 2.0%
Afghans	99.5 /100 \| #50	Exceptional 2.0%
Tongans	99.5 /100 \| #51	Exceptional 2.0%
Immigrants \| Serbia	99.4 /100 \| #52	Exceptional 2.0%
Immigrants \| Belarus	99.3 /100 \| #53	Exceptional 2.0%
Macedonians	99.3 /100 \| #54	Exceptional 2.0%
Laotians	99.3 /100 \| #55	Exceptional 2.0%
Jordanians	99.2 /100 \| #56	Exceptional 2.0%
Somalis	99.2 /100 \| #57	Exceptional 2.0%

Demographics Similar to Immigrants from Portugal by Vision Disability

In terms of vision disability, the demographic groups most similar to Immigrants from Portugal are Immigrants from Congo (2.3%, a difference of 0.050%), Marshallese (2.3%, a difference of 0.14%), Scottish (2.3%, a difference of 0.21%), Immigrants from Cambodia (2.3%, a difference of 0.27%), and English (2.3%, a difference of 0.29%).

Demographics	Rating \| Rank	Vision Disability
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%
Immigrants \| Portugal	1.4 /100 \| #237	Tragic 2.3%
Immigrants \| Cambodia	1.1 /100 \| #238	Tragic 2.3%
English	1.1 /100 \| #239	Tragic 2.3%
Panamanians	0.9 /100 \| #240	Tragic 2.3%
Malaysians	0.9 /100 \| #241	Tragic 2.3%
Immigrants \| Panama	0.8 /100 \| #242	Tragic 2.3%
Immigrants \| Nicaragua	0.6 /100 \| #243	Tragic 2.3%
Immigrants \| West Indies	0.6 /100 \| #244	Tragic 2.3%