American vs South African 9th Grade
COMPARE
American
South African
9th Grade
9th Grade Comparison
Americans
South Africans
95.6%
9TH GRADE
98.5/ 100
METRIC RATING
95th/ 347
METRIC RANK
95.6%
9TH GRADE
98.8/ 100
METRIC RATING
90th/ 347
METRIC RANK
American vs South African 9th Grade Correlation Chart
The statistical analysis conducted on geographies consisting of 581,993,497 people shows a poor positive correlation between the proportion of Americans and percentage of population with at least 9th grade education in the United States with a correlation coefficient (R) of 0.152 and weighted average of 95.6%. Similarly, the statistical analysis conducted on geographies consisting of 182,604,532 people shows a moderate positive correlation between the proportion of South Africans and percentage of population with at least 9th grade education in the United States with a correlation coefficient (R) of 0.413 and weighted average of 95.6%, a difference of 0.040%.
9th Grade Correlation Summary
| Measurement | American | South African |
| Minimum | 82.4% | 91.9% |
| Maximum | 100.0% | 100.0% |
| Range | 17.6% | 8.1% |
| Mean | 95.3% | 97.9% |
| Median | 95.6% | 98.2% |
| Interquartile 25% (IQ1) | 94.4% | 96.6% |
| Interquartile 75% (IQ3) | 96.4% | 100.0% |
| Interquartile Range (IQR) | 2.0% | 3.4% |
| Standard Deviation (Sample) | 3.0% | 2.3% |
| Standard Deviation (Population) | 3.0% | 2.3% |
Demographics Similar to Americans and South Africans by 9th Grade
In terms of 9th grade, the demographic groups most similar to Americans are Filipino (95.6%, a difference of 0.010%), Delaware (95.6%, a difference of 0.010%), Immigrants from Germany (95.6%, a difference of 0.020%), Immigrants from Latvia (95.6%, a difference of 0.020%), and Immigrants from Japan (95.6%, a difference of 0.020%). Similarly, the demographic groups most similar to South Africans are Immigrants from Czechoslovakia (95.7%, a difference of 0.010%), Yugoslavian (95.7%, a difference of 0.010%), Creek (95.6%, a difference of 0.010%), Immigrants from Saudi Arabia (95.6%, a difference of 0.010%), and Okinawan (95.7%, a difference of 0.020%).
| Demographics | Rating | Rank | 9th Grade |
| Puget Sound Salish | 99.2 /100 | #82 | Exceptional 95.7% |
| Swiss | 99.2 /100 | #83 | Exceptional 95.7% |
| Immigrants | Denmark | 99.1 /100 | #84 | Exceptional 95.7% |
| Icelanders | 99.1 /100 | #85 | Exceptional 95.7% |
| Immigrants | Western Europe | 99.1 /100 | #86 | Exceptional 95.7% |
| Okinawans | 99.0 /100 | #87 | Exceptional 95.7% |
| Immigrants | Czechoslovakia | 98.9 /100 | #88 | Exceptional 95.7% |
| Yugoslavians | 98.9 /100 | #89 | Exceptional 95.7% |
| South Africans | 98.8 /100 | #90 | Exceptional 95.6% |
| Creek | 98.8 /100 | #91 | Exceptional 95.6% |
| Immigrants | Saudi Arabia | 98.8 /100 | #92 | Exceptional 95.6% |
| Immigrants | Germany | 98.7 /100 | #93 | Exceptional 95.6% |
| Immigrants | Latvia | 98.7 /100 | #94 | Exceptional 95.6% |
| Americans | 98.5 /100 | #95 | Exceptional 95.6% |
| Filipinos | 98.5 /100 | #96 | Exceptional 95.6% |
| Delaware | 98.4 /100 | #97 | Exceptional 95.6% |
| Immigrants | Japan | 98.4 /100 | #98 | Exceptional 95.6% |
| Menominee | 98.3 /100 | #99 | Exceptional 95.6% |
| Lebanese | 98.1 /100 | #100 | Exceptional 95.6% |
| Immigrants | Moldova | 97.9 /100 | #101 | Exceptional 95.5% |
| Immigrants | Switzerland | 97.7 /100 | #102 | Exceptional 95.5% |