Greek vs Tongan Vision Disability
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Greek
 Tongan
 Vision Disability
Vision Disability Comparison
Greeks
Tongans
2.1%
VISION DISABILITY
95.1/ 100
METRIC RATING
100th/ 347
METRIC RANK
2.0%
VISION DISABILITY
99.5/ 100
METRIC RATING
51st/ 347
METRIC RANK
Greek vs Tongan Vision Disability Correlation Chart
The statistical analysis conducted on geographies consisting of 482,063,335 people shows a weak positive correlation between the proportion of Greeks and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.254 and weighted average of 2.1%. Similarly, 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%, a difference of 4.0%.
 
Vision Disability Correlation Summary
| Measurement | Greek | Tongan | 
| Minimum | 0.45% | 0.85% | 
| Maximum | 6.8% | 6.9% | 
| Range | 6.4% | 6.1% | 
| Mean | 2.6% | 2.3% | 
| Median | 2.3% | 2.0% | 
| Interquartile 25% (IQ1) | 1.8% | 1.7% | 
| Interquartile 75% (IQ3) | 2.8% | 2.6% | 
| Interquartile Range (IQR) | 0.98% | 0.96% | 
| Standard Deviation (Sample) | 1.4% | 1.1% | 
| Standard Deviation (Population) | 1.4% | 1.1% | 
Similar Demographics by Vision Disability
Demographics Similar to Greeks by Vision Disability
In terms of vision disability, the demographic groups most similar to Greeks are Estonian (2.1%, a difference of 0.040%), Albanian (2.1%, a difference of 0.080%), Immigrants from South Africa (2.1%, a difference of 0.11%), Sri Lankan (2.1%, a difference of 0.11%), and Immigrants from Afghanistan (2.1%, a difference of 0.16%).
| Demographics | Rating | Rank | Vision Disability | 
| 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%  | 
| Swedes | 94.2 /100 | #106  | Exceptional 2.1%  | 
| Danes | 94.2 /100 | #107  | Exceptional 2.1%  | 
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%  |