Bulgarian vs Afghan 8th Grade
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Bulgarian
Afghan
8th Grade
8th Grade Comparison
Bulgarians
Afghans
96.9%
8TH GRADE
99.9/ 100
METRIC RATING
47th/ 347
METRIC RANK
94.9%
8TH GRADE
0.6/ 100
METRIC RATING
257th/ 347
METRIC RANK
Bulgarian vs Afghan 8th Grade Correlation Chart
The statistical analysis conducted on geographies consisting of 205,632,052 people shows a weak positive correlation between the proportion of Bulgarians and percentage of population with at least 8th grade education in the United States with a correlation coefficient (R) of 0.288 and weighted average of 96.9%. Similarly, the statistical analysis conducted on geographies consisting of 148,851,685 people shows a poor positive correlation between the proportion of Afghans and percentage of population with at least 8th grade education in the United States with a correlation coefficient (R) of 0.176 and weighted average of 94.9%, a difference of 2.0%.

8th Grade Correlation Summary
| Measurement | Bulgarian | Afghan |
| Minimum | 94.1% | 87.7% |
| Maximum | 100.0% | 100.0% |
| Range | 5.9% | 12.3% |
| Mean | 98.1% | 95.3% |
| Median | 98.5% | 95.3% |
| Interquartile 25% (IQ1) | 97.2% | 94.1% |
| Interquartile 75% (IQ3) | 99.3% | 96.9% |
| Interquartile Range (IQR) | 2.1% | 2.8% |
| Standard Deviation (Sample) | 1.6% | 2.7% |
| Standard Deviation (Population) | 1.6% | 2.7% |
Similar Demographics by 8th Grade
Demographics Similar to Bulgarians by 8th Grade
In terms of 8th grade, the demographic groups most similar to Bulgarians are Czechoslovakian (96.9%, a difference of 0.010%), Maltese (96.9%, a difference of 0.020%), Northern European (96.9%, a difference of 0.020%), Slavic (96.8%, a difference of 0.030%), and Aleut (96.9%, a difference of 0.040%).
| Demographics | Rating | Rank | 8th Grade |
| Inupiat | 100.0 /100 | #40 | Exceptional 97.0% |
| Eastern Europeans | 100.0 /100 | #41 | Exceptional 97.0% |
| Chinese | 100.0 /100 | #42 | Exceptional 96.9% |
| Aleuts | 99.9 /100 | #43 | Exceptional 96.9% |
| Maltese | 99.9 /100 | #44 | Exceptional 96.9% |
| Northern Europeans | 99.9 /100 | #45 | Exceptional 96.9% |
| Czechoslovakians | 99.9 /100 | #46 | Exceptional 96.9% |
| Bulgarians | 99.9 /100 | #47 | Exceptional 96.9% |
| Slavs | 99.9 /100 | #48 | Exceptional 96.8% |
| Estonians | 99.9 /100 | #49 | Exceptional 96.8% |
| Immigrants | Scotland | 99.9 /100 | #50 | Exceptional 96.8% |
| Celtics | 99.9 /100 | #51 | Exceptional 96.8% |
| Greeks | 99.9 /100 | #52 | Exceptional 96.8% |
| Austrians | 99.9 /100 | #53 | Exceptional 96.7% |
| Serbians | 99.8 /100 | #54 | Exceptional 96.7% |
Demographics Similar to Afghans by 8th Grade
In terms of 8th grade, the demographic groups most similar to Afghans are Colombian (95.0%, a difference of 0.010%), Immigrants from Congo (94.9%, a difference of 0.010%), Ghanaian (94.9%, a difference of 0.010%), Immigrants from Somalia (95.0%, a difference of 0.020%), and Immigrants from Jamaica (94.9%, a difference of 0.020%).
| Demographics | Rating | Rank | 8th Grade |
| Koreans | 1.1 /100 | #250 | Tragic 95.0% |
| Bolivians | 1.0 /100 | #251 | Tragic 95.0% |
| Immigrants | Ethiopia | 1.0 /100 | #252 | Tragic 95.0% |
| U.S. Virgin Islanders | 0.9 /100 | #253 | Tragic 95.0% |
| Immigrants | Cameroon | 0.8 /100 | #254 | Tragic 95.0% |
| Immigrants | Somalia | 0.7 /100 | #255 | Tragic 95.0% |
| Colombians | 0.7 /100 | #256 | Tragic 95.0% |
| Afghans | 0.6 /100 | #257 | Tragic 94.9% |
| Immigrants | Congo | 0.6 /100 | #258 | Tragic 94.9% |
| Ghanaians | 0.6 /100 | #259 | Tragic 94.9% |
| Immigrants | Jamaica | 0.6 /100 | #260 | Tragic 94.9% |
| Immigrants | Costa Rica | 0.5 /100 | #261 | Tragic 94.9% |
| Immigrants | Nigeria | 0.4 /100 | #262 | Tragic 94.9% |
| Immigrants | Hong Kong | 0.4 /100 | #263 | Tragic 94.9% |
| South Americans | 0.4 /100 | #264 | Tragic 94.9% |