Sierra Leonean vs South American Cognitive Disability
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Sierra Leonean
 South American
 Cognitive Disability
Cognitive Disability Comparison
Sierra Leoneans
South Americans
17.9%
COGNITIVE DISABILITY
0.4/ 100
METRIC RATING
262nd/ 347
METRIC RANK
16.7%
COGNITIVE DISABILITY
98.8/ 100
METRIC RATING
90th/ 347
METRIC RANK
Sierra Leonean vs South American Cognitive Disability Correlation Chart
The statistical analysis conducted on geographies consisting of 83,361,112 people shows a slight positive correlation between the proportion of Sierra Leoneans and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of 0.051 and weighted average of 17.9%. Similarly, the statistical analysis conducted on geographies consisting of 494,074,477 people shows a significant negative correlation between the proportion of South Americans and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of -0.608 and weighted average of 16.7%, a difference of 7.2%.
 
Cognitive Disability Correlation Summary
| Measurement | Sierra Leonean | South American | 
| Minimum | 10.8% | 7.3% | 
| Maximum | 28.6% | 20.3% | 
| Range | 17.8% | 12.9% | 
| Mean | 17.0% | 15.2% | 
| Median | 17.3% | 15.6% | 
| Interquartile 25% (IQ1) | 15.2% | 14.5% | 
| Interquartile 75% (IQ3) | 18.8% | 16.8% | 
| Interquartile Range (IQR) | 3.7% | 2.3% | 
| Standard Deviation (Sample) | 3.2% | 2.4% | 
| Standard Deviation (Population) | 3.2% | 2.4% | 
Similar Demographics by Cognitive Disability
Demographics Similar to Sierra Leoneans by Cognitive Disability
In terms of cognitive disability, the demographic groups most similar to Sierra Leoneans are Guamanian/Chamorro (17.9%, a difference of 0.030%), Immigrants from Barbados (17.9%, a difference of 0.040%), Immigrants from Belize (17.9%, a difference of 0.080%), Ethiopian (17.9%, a difference of 0.090%), and Menominee (18.0%, a difference of 0.10%).
| Demographics | Rating | Rank | Cognitive Disability | 
| Immigrants | Azores | 0.6 /100 | #255 | Tragic 17.9% | 
| Bahamians | 0.6 /100 | #256 | Tragic 17.9% | 
| Mexican American Indians | 0.6 /100 | #257 | Tragic 17.9% | 
| Immigrants | Armenia | 0.6 /100 | #258 | Tragic 17.9% | 
| Ethiopians | 0.5 /100 | #259 | Tragic 17.9% | 
| Immigrants | Belize | 0.5 /100 | #260 | Tragic 17.9% | 
| Guamanians/Chamorros | 0.5 /100 | #261 | Tragic 17.9% | 
| Sierra Leoneans | 0.4 /100 | #262 | Tragic 17.9% | 
| Immigrants | Barbados | 0.4 /100 | #263 | Tragic 17.9% | 
| Menominee | 0.4 /100 | #264 | Tragic 18.0% | 
| Spanish Americans | 0.4 /100 | #265 | Tragic 18.0% | 
| Belizeans | 0.4 /100 | #266 | Tragic 18.0% | 
| Nepalese | 0.3 /100 | #267 | Tragic 18.0% | 
| Cherokee | 0.3 /100 | #268 | Tragic 18.0% | 
| Hondurans | 0.3 /100 | #269 | Tragic 18.0% | 
Demographics Similar to South Americans by Cognitive Disability
In terms of cognitive disability, the demographic groups most similar to South Americans are Immigrants from Egypt (16.7%, a difference of 0.0%), Danish (16.7%, a difference of 0.010%), Immigrants from South America (16.7%, a difference of 0.020%), Immigrants from Southern Europe (16.7%, a difference of 0.020%), and Asian (16.7%, a difference of 0.070%).
| Demographics | Rating | Rank | Cognitive Disability | 
| Serbians | 99.1 /100 | #83 | Exceptional 16.7% | 
| Belgians | 99.1 /100 | #84 | Exceptional 16.7% | 
| Immigrants | Moldova | 99.1 /100 | #85 | Exceptional 16.7% | 
| Immigrants | South Africa | 99.0 /100 | #86 | Exceptional 16.7% | 
| Native Hawaiians | 99.0 /100 | #87 | Exceptional 16.7% | 
| Immigrants | Philippines | 99.0 /100 | #88 | Exceptional 16.7% | 
| Immigrants | Egypt | 98.8 /100 | #89 | Exceptional 16.7% | 
| South Americans | 98.8 /100 | #90 | Exceptional 16.7% | 
| Danes | 98.8 /100 | #91 | Exceptional 16.7% | 
| Immigrants | South America | 98.8 /100 | #92 | Exceptional 16.7% | 
| Immigrants | Southern Europe | 98.7 /100 | #93 | Exceptional 16.7% | 
| Asians | 98.7 /100 | #94 | Exceptional 16.7% | 
| English | 98.6 /100 | #95 | Exceptional 16.8% | 
| Finns | 98.5 /100 | #96 | Exceptional 16.8% | 
| Dutch | 98.5 /100 | #97 | Exceptional 16.8% |