Immigrants from Bulgaria vs South American Vision Disability

The statistical analysis conducted on geographies consisting of 172,526,022 people shows a perfect positive correlation between the proportion of Immigrants from Bulgaria and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.982 and weighted average of 2.0%. 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 7.1%.

Vision Disability Correlation Summary

Measurement	Immigrants from Bulgaria	South American
Minimum	0.56%	0.16%
Maximum	47.1%	4.0%
Range	46.5%	3.9%
Mean	4.1%	2.0%
Median	1.6%	2.0%
Interquartile 25% (IQ1)	1.5%	1.8%
Interquartile 75% (IQ3)	2.0%	2.2%
Interquartile Range (IQR)	0.48%	0.40%
Standard Deviation (Sample)	10.4%	0.66%
Standard Deviation (Population)	10.2%	0.66%

Similar Demographics by Vision Disability

Demographics Similar to Immigrants from Bulgaria by Vision Disability

In terms of vision disability, the demographic groups most similar to Immigrants from Bulgaria are Immigrants from Sweden (2.0%, a difference of 0.020%), Ethiopian (2.0%, a difference of 0.060%), Immigrants from Indonesia (2.0%, a difference of 0.090%), Eastern European (2.0%, a difference of 0.11%), and Immigrants from Ethiopia (2.0%, a difference of 0.17%).

Demographics	Rating \| Rank	Vision Disability
Immigrants \| Ireland	99.7 /100 \| #40	Exceptional 2.0%
Cypriots	99.7 /100 \| #41	Exceptional 2.0%
Immigrants \| Ethiopia	99.7 /100 \| #42	Exceptional 2.0%
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%

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%