Northern European vs Immigrants from Iran Average Family Size

The statistical analysis conducted on geographies consisting of 405,947,196 people shows a poor negative correlation between the proportion of Northern Europeans and average family size in the United States with a correlation coefficient (R) of -0.146 and weighted average of 3.13. Similarly, the statistical analysis conducted on geographies consisting of 279,830,460 people shows a mild negative correlation between the proportion of Immigrants from Iran and average family size in the United States with a correlation coefficient (R) of -0.303 and weighted average of 3.20, a difference of 2.3%.

Average Family Size Correlation Summary

Measurement	Northern European	Immigrants from Iran
Minimum	1.81	2.02
Maximum	3.93	3.87
Range	2.12	1.85
Mean	2.86	3.16
Median	2.95	3.16
Interquartile 25% (IQ1)	2.49	3.04
Interquartile 75% (IQ3)	3.12	3.31
Interquartile Range (IQR)	0.63	0.26
Standard Deviation (Sample)	0.49	0.33
Standard Deviation (Population)	0.48	0.33

Similar Demographics by Average Family Size

Demographics Similar to Northern Europeans by Average Family Size

In terms of average family size, the demographic groups most similar to Northern Europeans are Slavic (3.13, a difference of 0.010%), Czechoslovakian (3.13, a difference of 0.020%), Immigrants from Ireland (3.13, a difference of 0.060%), Immigrants from Serbia (3.13, a difference of 0.060%), and Immigrants from Northern Europe (3.13, a difference of 0.060%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Latvia	0.2 /100 \| #302	Tragic 3.13
British	0.2 /100 \| #303	Tragic 3.13
Immigrants \| Switzerland	0.2 /100 \| #304	Tragic 3.13
Australians	0.1 /100 \| #305	Tragic 3.13
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

Demographics Similar to Immigrants from Iran by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Iran are Creek (3.20, a difference of 0.0%), Zimbabwean (3.20, a difference of 0.020%), Mongolian (3.20, a difference of 0.020%), Somali (3.20, a difference of 0.040%), and Chippewa (3.20, a difference of 0.050%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Poland	16.6 /100 \| #204	Poor 3.20
Paraguayans	16.3 /100 \| #205	Poor 3.20
Immigrants \| Cabo Verde	16.0 /100 \| #206	Poor 3.20
Filipinos	13.6 /100 \| #207	Poor 3.20
Chippewa	13.3 /100 \| #208	Poor 3.20
Sudanese	13.3 /100 \| #209	Poor 3.20
Zimbabweans	12.6 /100 \| #210	Poor 3.20
Immigrants \| Iran	12.1 /100 \| #211	Poor 3.20
Creek	12.1 /100 \| #212	Poor 3.20
Mongolians	11.5 /100 \| #213	Poor 3.20
Somalis	11.2 /100 \| #214	Poor 3.20
Delaware	11.1 /100 \| #215	Poor 3.20
Bermudans	11.0 /100 \| #216	Poor 3.20
Immigrants \| Somalia	10.3 /100 \| #217	Poor 3.20
French American Indians	9.8 /100 \| #218	Tragic 3.20