Bulgarian vs Immigrants from South Africa Vision Disability

The statistical analysis conducted on geographies consisting of 205,563,576 people shows a poor negative correlation between the proportion of Bulgarians and percentage of population with vision disability in the United States with a correlation coefficient (R) of -0.135 and weighted average of 1.9%. Similarly, 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%, a difference of 7.4%.

Vision Disability Correlation Summary

Measurement	Bulgarian	Immigrants from South Africa
Minimum	0.26%	0.40%
Maximum	5.2%	8.6%
Range	4.9%	8.2%
Mean	1.8%	2.9%
Median	1.8%	2.2%
Interquartile 25% (IQ1)	1.3%	1.8%
Interquartile 75% (IQ3)	2.0%	3.7%
Interquartile Range (IQR)	0.69%	1.9%
Standard Deviation (Sample)	0.87%	2.0%
Standard Deviation (Population)	0.86%	1.9%

Similar Demographics by Vision Disability

Demographics Similar to Bulgarians by Vision Disability

In terms of vision disability, the demographic groups most similar to Bulgarians are Immigrants from Lithuania (1.9%, a difference of 0.040%), Immigrants from Japan (1.9%, a difference of 0.040%), Immigrants from Asia (1.9%, a difference of 0.16%), Taiwanese (1.9%, a difference of 0.37%), and Immigrants from Malaysia (1.9%, a difference of 0.40%).

Demographics	Rating \| Rank	Vision Disability
Bolivians	100.0 /100 \| #18	Exceptional 1.9%
Immigrants \| Sri Lanka	100.0 /100 \| #19	Exceptional 1.9%
Asians	100.0 /100 \| #20	Exceptional 1.9%
Turks	100.0 /100 \| #21	Exceptional 1.9%
Immigrants \| Pakistan	100.0 /100 \| #22	Exceptional 1.9%
Immigrants \| Asia	99.9 /100 \| #23	Exceptional 1.9%
Immigrants \| Lithuania	99.9 /100 \| #24	Exceptional 1.9%
Bulgarians	99.9 /100 \| #25	Exceptional 1.9%
Immigrants \| Japan	99.9 /100 \| #26	Exceptional 1.9%
Taiwanese	99.9 /100 \| #27	Exceptional 1.9%
Immigrants \| Malaysia	99.9 /100 \| #28	Exceptional 1.9%
Egyptians	99.9 /100 \| #29	Exceptional 1.9%
Immigrants \| Nepal	99.9 /100 \| #30	Exceptional 1.9%
Mongolians	99.9 /100 \| #31	Exceptional 1.9%
Luxembourgers	99.9 /100 \| #32	Exceptional 1.9%

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%