Sri Lankan vs Immigrants from Portugal Vision Disability

The statistical analysis conducted on geographies consisting of 440,158,739 people shows a slight positive correlation between the proportion of Sri Lankans and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.088 and weighted average of 2.1%. 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 11.9%.

Vision Disability Correlation Summary

Measurement	Sri Lankan	Immigrants from Portugal
Minimum	0.49%	0.66%
Maximum	15.7%	8.3%
Range	15.2%	7.6%
Mean	2.3%	2.4%
Median	2.0%	2.1%
Interquartile 25% (IQ1)	1.8%	1.8%
Interquartile 75% (IQ3)	2.3%	2.4%
Interquartile Range (IQR)	0.48%	0.59%
Standard Deviation (Sample)	1.9%	1.2%
Standard Deviation (Population)	1.9%	1.2%

Similar Demographics by Vision Disability

Demographics Similar to Sri Lankans by Vision Disability

In terms of vision disability, the demographic groups most similar to Sri Lankans are Albanian (2.1%, a difference of 0.030%), Greek (2.1%, a difference of 0.11%), Immigrants from Austria (2.1%, a difference of 0.14%), Estonian (2.1%, a difference of 0.15%), and Immigrants from Italy (2.1%, a difference of 0.15%).

Demographics	Rating \| Rank	Vision Disability
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%
Swedes	94.2 /100 \| #106	Exceptional 2.1%
Danes	94.2 /100 \| #107	Exceptional 2.1%
Koreans	94.1 /100 \| #108	Exceptional 2.1%
Chileans	94.0 /100 \| #109	Exceptional 2.1%

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%