Tongan vs Norwegian Vision Disability
COMPARE
Tongan
 Norwegian
 Vision Disability
Vision Disability Comparison
Tongans
Norwegians
2.0%
VISION DISABILITY
99.5/ 100
METRIC RATING
51st/ 347
METRIC RANK
2.0%
VISION DISABILITY
97.0/ 100
METRIC RATING
88th/ 347
METRIC RANK
Tongan vs Norwegian Vision Disability Correlation Chart
The statistical analysis conducted on geographies consisting of 102,891,232 people shows a slight positive correlation between the proportion of Tongans and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.092 and weighted average of 2.0%. Similarly, the statistical analysis conducted on geographies consisting of 532,008,287 people shows a moderate positive correlation between the proportion of Norwegians and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.455 and weighted average of 2.0%, a difference of 3.1%.
 
Vision Disability Correlation Summary
| Measurement | Tongan | Norwegian | 
| Minimum | 0.85% | 0.63% | 
| Maximum | 6.9% | 16.5% | 
| Range | 6.1% | 15.8% | 
| Mean | 2.3% | 2.7% | 
| Median | 2.0% | 2.0% | 
| Interquartile 25% (IQ1) | 1.7% | 1.7% | 
| Interquartile 75% (IQ3) | 2.6% | 2.7% | 
| Interquartile Range (IQR) | 0.96% | 0.95% | 
| Standard Deviation (Sample) | 1.1% | 2.3% | 
| Standard Deviation (Population) | 1.1% | 2.3% | 
Similar Demographics by Vision Disability
Demographics Similar to Tongans by Vision Disability
In terms of vision disability, the demographic groups most similar to Tongans are Afghan (2.0%, a difference of 0.090%), Latvian (2.0%, a difference of 0.15%), Israeli (2.0%, a difference of 0.22%), Immigrants from Serbia (2.0%, a difference of 0.31%), and Immigrants from Belarus (2.0%, a difference of 0.42%).
| Demographics | Rating | Rank | Vision Disability | 
| 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%  | 
| Laotians | 99.3 /100 | #55  | Exceptional 2.0%  | 
| Jordanians | 99.2 /100 | #56  | Exceptional 2.0%  | 
| Somalis | 99.2 /100 | #57  | Exceptional 2.0%  | 
| Immigrants | Saudi Arabia | 99.2 /100 | #58  | Exceptional 2.0%  | 
Demographics Similar to Norwegians by Vision Disability
In terms of vision disability, the demographic groups most similar to Norwegians are Immigrants from Switzerland (2.0%, a difference of 0.010%), Immigrants from Eastern Africa (2.0%, a difference of 0.040%), Immigrants from Moldova (2.0%, a difference of 0.070%), Chinese (2.0%, a difference of 0.10%), and Immigrants from Latvia (2.0%, a difference of 0.15%).
| Demographics | Rating | Rank | Vision Disability | 
| Soviet Union | 97.6 /100 | #81  | Exceptional 2.0%  | 
| Immigrants | Poland | 97.6 /100 | #82  | Exceptional 2.0%  | 
| Immigrants | Western Asia | 97.5 /100 | #83  | Exceptional 2.0%  | 
| Immigrants | Latvia | 97.3 /100 | #84  | Exceptional 2.0%  | 
| Chinese | 97.2 /100 | #85  | Exceptional 2.0%  | 
| Immigrants | Moldova | 97.2 /100 | #86  | Exceptional 2.0%  | 
| Immigrants | Switzerland | 97.0 /100 | #87  | Exceptional 2.0%  | 
| Norwegians | 97.0 /100 | #88  | Exceptional 2.0%  | 
| Immigrants | Eastern Africa | 97.0 /100 | #89  | Exceptional 2.0%  | 
| Immigrants | Lebanon | 96.7 /100 | #90  | Exceptional 2.1%  | 
| 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%  |