Immigrants from Portugal vs Icelander Vision Disability

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%. Similarly, the statistical analysis conducted on geographies consisting of 159,612,613 people shows no correlation between the proportion of Icelanders and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.042 and weighted average of 2.1%, a difference of 7.9%.

Vision Disability Correlation Summary

Measurement	Immigrants from Portugal	Icelander
Minimum	0.66%	0.48%
Maximum	8.3%	5.7%
Range	7.6%	5.3%
Mean	2.4%	2.5%
Median	2.1%	2.2%
Interquartile 25% (IQ1)	1.8%	1.7%
Interquartile 75% (IQ3)	2.4%	2.8%
Interquartile Range (IQR)	0.59%	1.0%
Standard Deviation (Sample)	1.2%	1.3%
Standard Deviation (Population)	1.2%	1.3%

Similar Demographics by Vision Disability

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%

Demographics Similar to Icelanders by Vision Disability

In terms of vision disability, the demographic groups most similar to Icelanders are Immigrants from Bangladesh (2.1%, a difference of 0.040%), Hungarian (2.1%, a difference of 0.090%), Immigrants from Iraq (2.1%, a difference of 0.090%), Iraqi (2.1%, a difference of 0.12%), and Austrian (2.1%, a difference of 0.21%).

Demographics	Rating \| Rank	Vision Disability
Pakistanis	71.6 /100 \| #156	Good 2.1%
Serbians	70.2 /100 \| #157	Good 2.1%
Immigrants \| Uzbekistan	69.9 /100 \| #158	Good 2.1%
South Africans	69.8 /100 \| #159	Good 2.1%
Austrians	69.0 /100 \| #160	Good 2.1%
Iraqis	67.7 /100 \| #161	Good 2.1%
Hungarians	67.4 /100 \| #162	Good 2.1%
Icelanders	66.1 /100 \| #163	Good 2.1%
Immigrants \| Bangladesh	65.5 /100 \| #164	Good 2.1%
Immigrants \| Iraq	64.8 /100 \| #165	Good 2.1%
Immigrants \| England	62.8 /100 \| #166	Good 2.1%
Immigrants \| Africa	62.6 /100 \| #167	Good 2.1%
Brazilians	62.2 /100 \| #168	Good 2.1%
South American Indians	57.4 /100 \| #169	Average 2.2%
Swiss	55.7 /100 \| #170	Average 2.2%