Irish vs Bulgarian 4th Grade
COMPARE
Irish
 Bulgarian
 4th Grade
4th Grade Comparison
Irish
Bulgarians
98.4%
4TH GRADE
100.0/ 100
METRIC RATING
19th/ 347
METRIC RANK
98.1%
4TH GRADE
99.8/ 100
METRIC RATING
49th/ 347
METRIC RANK
Irish vs Bulgarian 4th Grade Correlation Chart
The statistical analysis conducted on geographies consisting of 580,708,089 people shows a significant positive correlation between the proportion of Irish and percentage of population with at least 4th grade education in the United States with a correlation coefficient (R) of 0.636 and weighted average of 98.4%. Similarly, the statistical analysis conducted on geographies consisting of 205,633,223 people shows a weak positive correlation between the proportion of Bulgarians and percentage of population with at least 4th grade education in the United States with a correlation coefficient (R) of 0.249 and weighted average of 98.1%, a difference of 0.26%.
 
4th Grade Correlation Summary
| Measurement | Irish | Bulgarian | 
| Minimum | 93.8% | 94.2% | 
| Maximum | 100.0% | 100.0% | 
| Range | 6.2% | 5.8% | 
| Mean | 99.0% | 98.8% | 
| Median | 99.2% | 98.9% | 
| Interquartile 25% (IQ1) | 98.8% | 98.2% | 
| Interquartile 75% (IQ3) | 100.0% | 99.5% | 
| Interquartile Range (IQR) | 1.2% | 1.4% | 
| Standard Deviation (Sample) | 1.2% | 1.1% | 
| Standard Deviation (Population) | 1.2% | 1.1% | 
Similar Demographics by 4th Grade
Demographics Similar to Irish by 4th Grade
In terms of 4th grade, the demographic groups most similar to Irish are Polish (98.4%, a difference of 0.0%), Scottish (98.4%, a difference of 0.010%), Pennsylvania German (98.4%, a difference of 0.010%), Alaska Native (98.4%, a difference of 0.010%), and Lithuanian (98.3%, a difference of 0.010%).
| Demographics | Rating | Rank | 4th Grade | 
| Tlingit-Haida | 100.0 /100 | #12  | Exceptional 98.4%  | 
| Swedes | 100.0 /100 | #13  | Exceptional 98.4%  | 
| Carpatho Rusyns | 100.0 /100 | #14  | Exceptional 98.4%  | 
| Dutch | 100.0 /100 | #15  | Exceptional 98.4%  | 
| Scottish | 100.0 /100 | #16  | Exceptional 98.4%  | 
| Pennsylvania Germans | 100.0 /100 | #17  | Exceptional 98.4%  | 
| Poles | 100.0 /100 | #18  | Exceptional 98.4%  | 
| Irish | 100.0 /100 | #19  | Exceptional 98.4%  | 
| Alaska Natives | 100.0 /100 | #20  | Exceptional 98.4%  | 
| Lithuanians | 100.0 /100 | #21  | Exceptional 98.3%  | 
| Finns | 100.0 /100 | #22  | Exceptional 98.3%  | 
| Sioux | 100.0 /100 | #23  | Exceptional 98.3%  | 
| Danes | 100.0 /100 | #24  | Exceptional 98.3%  | 
| Scotch-Irish | 100.0 /100 | #25  | Exceptional 98.3%  | 
| Croatians | 100.0 /100 | #26  | Exceptional 98.3%  | 
Demographics Similar to Bulgarians by 4th Grade
In terms of 4th grade, the demographic groups most similar to Bulgarians are Estonian (98.1%, a difference of 0.0%), Immigrants from Scotland (98.1%, a difference of 0.0%), Celtic (98.1%, a difference of 0.010%), Australian (98.1%, a difference of 0.010%), and Slavic (98.1%, a difference of 0.010%).
| Demographics | Rating | Rank | 4th Grade | 
| Hungarians | 99.9 /100 | #42  | Exceptional 98.2%  | 
| Northern Europeans | 99.9 /100 | #43  | Exceptional 98.2%  | 
| Native Hawaiians | 99.9 /100 | #44  | Exceptional 98.1%  | 
| Czechoslovakians | 99.9 /100 | #45  | Exceptional 98.1%  | 
| Ottawa | 99.9 /100 | #46  | Exceptional 98.1%  | 
| Arapaho | 99.9 /100 | #47  | Exceptional 98.1%  | 
| Estonians | 99.8 /100 | #48  | Exceptional 98.1%  | 
| Bulgarians | 99.8 /100 | #49  | Exceptional 98.1%  | 
| Immigrants | Scotland | 99.8 /100 | #50  | Exceptional 98.1%  | 
| Celtics | 99.8 /100 | #51  | Exceptional 98.1%  | 
| Australians | 99.8 /100 | #52  | Exceptional 98.1%  | 
| Slavs | 99.8 /100 | #53  | Exceptional 98.1%  | 
| Maltese | 99.8 /100 | #54  | Exceptional 98.1%  | 
| Whites/Caucasians | 99.8 /100 | #55  | Exceptional 98.1%  | 
| Greeks | 99.8 /100 | #56  | Exceptional 98.1%  |