Northern European vs Nonimmigrants 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 584,651,869 people shows a weak negative correlation between the proportion of Nonimmigrants and average family size in the United States with a correlation coefficient (R) of -0.221 and weighted average of 3.19, a difference of 1.9%.

Average Family Size Correlation Summary

Measurement	Northern European	Nonimmigrants
Minimum	1.81	2.00
Maximum	3.93	9.38
Range	2.12	7.38
Mean	2.86	3.39
Median	2.95	3.33
Interquartile 25% (IQ1)	2.49	3.14
Interquartile 75% (IQ3)	3.12	3.50
Interquartile Range (IQR)	0.63	0.36
Standard Deviation (Sample)	0.49	0.67
Standard Deviation (Population)	0.48	0.67

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 Nonimmigrants by Average Family Size

In terms of average family size, the demographic groups most similar to Nonimmigrants are Portuguese (3.19, a difference of 0.020%), Chickasaw (3.19, a difference of 0.030%), Cree (3.19, a difference of 0.040%), Immigrants from Italy (3.19, a difference of 0.040%), and Icelander (3.19, a difference of 0.050%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Ukraine	7.2 /100 \| #221	Tragic 3.19
Immigrants \| Kuwait	7.2 /100 \| #222	Tragic 3.19
Immigrants \| Zimbabwe	7.1 /100 \| #223	Tragic 3.19
Syrians	6.5 /100 \| #224	Tragic 3.19
Cree	6.2 /100 \| #225	Tragic 3.19
Chickasaw	6.0 /100 \| #226	Tragic 3.19
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