Iranian vs Bulgarian Average Family Size
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Iranian
 Bulgarian
 Average Family Size
Average Family Size Comparison
Iranians
Bulgarians
3.18
AVERAGE FAMILY SIZE
4.5/ 100
METRIC RATING
234th/ 347
METRIC RANK
3.13
AVERAGE FAMILY SIZE
0.1/ 100
METRIC RATING
313th/ 347
METRIC RANK
Iranian vs Bulgarian Average Family Size Correlation Chart
The statistical analysis conducted on geographies consisting of 316,654,945 people shows a moderate positive correlation between the proportion of Iranians and average family size in the United States with a correlation coefficient (R) of 0.423 and weighted average of 3.18. Similarly, the statistical analysis conducted on geographies consisting of 205,566,985 people shows a poor positive correlation between the proportion of Bulgarians and average family size in the United States with a correlation coefficient (R) of 0.174 and weighted average of 3.13, a difference of 1.8%.
 
Average Family Size Correlation Summary
| Measurement | Iranian | Bulgarian | 
| Minimum | 1.94 | 2.13 | 
| Maximum | 4.32 | 3.88 | 
| Range | 2.38 | 1.75 | 
| Mean | 3.19 | 3.08 | 
| Median | 3.12 | 3.09 | 
| Interquartile 25% (IQ1) | 3.04 | 2.96 | 
| Interquartile 75% (IQ3) | 3.27 | 3.17 | 
| Interquartile Range (IQR) | 0.24 | 0.21 | 
| Standard Deviation (Sample) | 0.44 | 0.28 | 
| Standard Deviation (Population) | 0.44 | 0.27 | 
Similar Demographics by Average Family Size
Demographics Similar to Iranians by Average Family Size
In terms of average family size, the demographic groups most similar to Iranians are Brazilian (3.18, a difference of 0.0%), Immigrants from Turkey (3.18, a difference of 0.020%), Cherokee (3.18, a difference of 0.030%), Immigrants from Portugal (3.18, a difference of 0.030%), and Icelander (3.19, a difference of 0.070%).
| Demographics | Rating | Rank | Average Family Size | 
| Portuguese | 6.0 /100 | #227 | Tragic 3.19 | 
| Immigrants | Nonimmigrants | 5.7 /100 | #228 | Tragic 3.19 | 
| Immigrants | Italy | 5.3 /100 | #229 | Tragic 3.19 | 
| Icelanders | 5.2 /100 | #230 | Tragic 3.19 | 
| Basques | 5.2 /100 | #231 | Tragic 3.19 | 
| Cherokee | 4.7 /100 | #232 | Tragic 3.18 | 
| Brazilians | 4.5 /100 | #233 | Tragic 3.18 | 
| Iranians | 4.5 /100 | #234 | Tragic 3.18 | 
| Immigrants | Turkey | 4.2 /100 | #235 | Tragic 3.18 | 
| Immigrants | Portugal | 4.2 /100 | #236 | Tragic 3.18 | 
| Immigrants | Romania | 3.7 /100 | #237 | Tragic 3.18 | 
| Romanians | 3.7 /100 | #238 | Tragic 3.18 | 
| Houma | 3.4 /100 | #239 | Tragic 3.18 | 
| Osage | 3.2 /100 | #240 | Tragic 3.18 | 
| Immigrants | Japan | 3.0 /100 | #241 | Tragic 3.18 | 
Demographics Similar to Bulgarians by Average Family Size
In terms of average family size, the demographic groups most similar to Bulgarians are Immigrants from Australia (3.13, a difference of 0.0%), Immigrants from Northern Europe (3.13, a difference of 0.030%), Russian (3.12, a difference of 0.040%), Immigrants from Scotland (3.12, a difference of 0.060%), and Czechoslovakian (3.13, a difference of 0.070%).
| Demographics | Rating | Rank | Average Family Size | 
| Immigrants | Ireland | 0.1 /100 | #306 | Tragic 3.13 | 
| Immigrants | Serbia | 0.1 /100 | #307 | Tragic 3.13 | 
| Slavs | 0.1 /100 | #308 | Tragic 3.13 | 
| Northern Europeans | 0.1 /100 | #309 | Tragic 3.13 | 
| Czechoslovakians | 0.1 /100 | #310 | Tragic 3.13 | 
| Immigrants | Northern Europe | 0.1 /100 | #311 | Tragic 3.13 | 
| Immigrants | Australia | 0.1 /100 | #312 | Tragic 3.13 | 
| Bulgarians | 0.1 /100 | #313 | Tragic 3.13 | 
| Russians | 0.1 /100 | #314 | Tragic 3.12 | 
| Immigrants | Scotland | 0.1 /100 | #315 | Tragic 3.12 | 
| Serbians | 0.1 /100 | #316 | Tragic 3.12 | 
| Italians | 0.1 /100 | #317 | Tragic 3.12 | 
| Eastern Europeans | 0.1 /100 | #318 | Tragic 3.12 | 
| Welsh | 0.1 /100 | #319 | Tragic 3.12 | 
| Immigrants | North America | 0.0 /100 | #320 | Tragic 3.12 |