Immigrants from Poland vs Northern European Average Family Size

The statistical analysis conducted on geographies consisting of 304,786,853 people shows a substantial negative correlation between the proportion of Immigrants from Poland and average family size in the United States with a correlation coefficient (R) of -0.583 and weighted average of 3.20. Similarly, 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, a difference of 2.4%.

Average Family Size Correlation Summary

Measurement	Immigrants from Poland	Northern European
Minimum	1.87	1.81
Maximum	3.39	3.93
Range	1.52	2.12
Mean	3.06	2.86
Median	3.18	2.95
Interquartile 25% (IQ1)	2.96	2.49
Interquartile 75% (IQ3)	3.22	3.12
Interquartile Range (IQR)	0.26	0.63
Standard Deviation (Sample)	0.33	0.49
Standard Deviation (Population)	0.33	0.48

Similar Demographics by Average Family Size

Demographics Similar to Immigrants from Poland by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Poland are Paraguayan (3.20, a difference of 0.010%), Immigrants from Cabo Verde (3.20, a difference of 0.020%), Immigrants from Nepal (3.21, a difference of 0.050%), Immigrants from Morocco (3.21, a difference of 0.060%), and Immigrants from India (3.21, a difference of 0.060%).

Demographics	Rating \| Rank	Average Family Size
Kenyans	28.0 /100 \| #197	Fair 3.21
Immigrants \| Azores	21.7 /100 \| #198	Fair 3.21
Hmong	20.7 /100 \| #199	Fair 3.21
Immigrants \| Kenya	19.2 /100 \| #200	Poor 3.21
Immigrants \| Morocco	18.5 /100 \| #201	Poor 3.21
Immigrants \| India	18.5 /100 \| #202	Poor 3.21
Immigrants \| Nepal	18.1 /100 \| #203	Poor 3.21
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

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