Immigrants from North America vs Portuguese Vision Disability

The statistical analysis conducted on geographies consisting of 461,875,281 people shows a significant positive correlation between the proportion of Immigrants from North America and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.698 and weighted average of 2.2%. Similarly, the statistical analysis conducted on geographies consisting of 449,734,569 people shows a slight negative correlation between the proportion of Portuguese and percentage of population with vision disability in the United States with a correlation coefficient (R) of -0.078 and weighted average of 2.3%, a difference of 4.3%.

Vision Disability Correlation Summary

Measurement	Immigrants from North America	Portuguese
Minimum	0.10%	0.39%
Maximum	14.3%	7.6%
Range	14.2%	7.2%
Mean	4.7%	2.5%
Median	3.1%	2.3%
Interquartile 25% (IQ1)	2.2%	2.0%
Interquartile 75% (IQ3)	6.7%	2.7%
Interquartile Range (IQR)	4.5%	0.65%
Standard Deviation (Sample)	3.5%	1.2%
Standard Deviation (Population)	3.5%	1.2%

Similar Demographics by Vision Disability

Demographics Similar to Immigrants from North America by Vision Disability

In terms of vision disability, the demographic groups most similar to Immigrants from North America are Immigrants from Oceania (2.2%, a difference of 0.040%), Slavic (2.2%, a difference of 0.090%), Uruguayan (2.2%, a difference of 0.12%), Yugoslavian (2.2%, a difference of 0.13%), and Immigrants from Fiji (2.2%, a difference of 0.20%).

Demographics	Rating \| Rank	Vision Disability
Northern Europeans	50.1 /100 \| #172	Average 2.2%
Scandinavians	50.0 /100 \| #173	Average 2.2%
Immigrants \| Canada	50.0 /100 \| #174	Average 2.2%
Immigrants \| Fiji	47.6 /100 \| #175	Average 2.2%
Yugoslavians	46.5 /100 \| #176	Average 2.2%
Slavs	46.0 /100 \| #177	Average 2.2%
Immigrants \| Oceania	45.1 /100 \| #178	Average 2.2%
Immigrants \| North America	44.5 /100 \| #179	Average 2.2%
Uruguayans	42.7 /100 \| #180	Average 2.2%
Immigrants \| Western Europe	41.1 /100 \| #181	Average 2.2%
Costa Ricans	40.7 /100 \| #182	Average 2.2%
Immigrants \| Burma/Myanmar	37.9 /100 \| #183	Fair 2.2%
Moroccans	35.4 /100 \| #184	Fair 2.2%
Immigrants \| Middle Africa	33.5 /100 \| #185	Fair 2.2%
Native Hawaiians	33.3 /100 \| #186	Fair 2.2%

Demographics Similar to Portuguese by Vision Disability

In terms of vision disability, the demographic groups most similar to Portuguese are Barbadian (2.3%, a difference of 0.070%), Ecuadorian (2.3%, a difference of 0.11%), Immigrants from Trinidad and Tobago (2.3%, a difference of 0.34%), Guamanian/Chamorro (2.3%, a difference of 0.35%), and French Canadian (2.3%, a difference of 0.36%).

Demographics	Rating \| Rank	Vision Disability
Indonesians	9.5 /100 \| #211	Tragic 2.2%
Bermudans	9.0 /100 \| #212	Tragic 2.2%
Immigrants \| Ghana	8.9 /100 \| #213	Tragic 2.2%
Trinidadians and Tobagonians	8.2 /100 \| #214	Tragic 2.2%
Nigerians	7.2 /100 \| #215	Tragic 2.3%
Immigrants \| Trinidad and Tobago	6.1 /100 \| #216	Tragic 2.3%
Barbadians	5.1 /100 \| #217	Tragic 2.3%
Portuguese	4.9 /100 \| #218	Tragic 2.3%
Ecuadorians	4.6 /100 \| #219	Tragic 2.3%
Guamanians/Chamorros	3.9 /100 \| #220	Tragic 2.3%
French Canadians	3.9 /100 \| #221	Tragic 2.3%
Immigrants \| Senegal	3.8 /100 \| #222	Tragic 2.3%
Basques	3.5 /100 \| #223	Tragic 2.3%
Irish	3.4 /100 \| #224	Tragic 2.3%
Immigrants \| Western Africa	3.4 /100 \| #225	Tragic 2.3%