Immigrants from Northern Europe vs Japanese Average Family Size

The statistical analysis conducted on geographies consisting of 476,950,566 people shows a moderate negative correlation between the proportion of Immigrants from Northern Europe and average family size in the United States with a correlation coefficient (R) of -0.482 and weighted average of 3.13. Similarly, the statistical analysis conducted on geographies consisting of 249,073,483 people shows a mild positive correlation between the proportion of Japanese and average family size in the United States with a correlation coefficient (R) of 0.320 and weighted average of 3.35, a difference of 7.1%.

Average Family Size Correlation Summary

Measurement	Immigrants from Northern Europe	Japanese
Minimum	1.76	2.70
Maximum	4.05	4.70
Range	2.29	2.00
Mean	2.69	3.47
Median	2.74	3.37
Interquartile 25% (IQ1)	2.37	3.27
Interquartile 75% (IQ3)	3.02	3.65
Interquartile Range (IQR)	0.65	0.38
Standard Deviation (Sample)	0.45	0.42
Standard Deviation (Population)	0.45	0.41

Similar Demographics by Average Family Size

Demographics Similar to Immigrants from Northern Europe by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Northern Europe are Immigrants from Australia (3.13, a difference of 0.020%), Bulgarian (3.13, a difference of 0.030%), Czechoslovakian (3.13, a difference of 0.040%), Northern European (3.13, a difference of 0.060%), and Slavic (3.13, a difference of 0.070%).

Demographics	Rating \| Rank	Average Family Size
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
Italians	0.1 /100 \| #317	Tragic 3.12
Eastern Europeans	0.1 /100 \| #318	Tragic 3.12

Demographics Similar to Japanese by Average Family Size

In terms of average family size, the demographic groups most similar to Japanese are Immigrants from Armenia (3.35, a difference of 0.020%), Central American Indian (3.35, a difference of 0.050%), Honduran (3.35, a difference of 0.090%), Sri Lankan (3.35, a difference of 0.10%), and Immigrants from Dominican Republic (3.35, a difference of 0.15%).

Demographics	Rating \| Rank	Average Family Size
Fijians	100.0 /100 \| #52	Exceptional 3.36
Koreans	100.0 /100 \| #53	Exceptional 3.36
Immigrants \| South Eastern Asia	100.0 /100 \| #54	Exceptional 3.36
Immigrants \| Honduras	100.0 /100 \| #55	Exceptional 3.36
Immigrants \| Dominican Republic	100.0 /100 \| #56	Exceptional 3.35
Sri Lankans	100.0 /100 \| #57	Exceptional 3.35
Hondurans	100.0 /100 \| #58	Exceptional 3.35
Japanese	100.0 /100 \| #59	Exceptional 3.35
Immigrants \| Armenia	100.0 /100 \| #60	Exceptional 3.35
Central American Indians	100.0 /100 \| #61	Exceptional 3.35
Immigrants \| Grenada	100.0 /100 \| #62	Exceptional 3.34
Chinese	100.0 /100 \| #63	Exceptional 3.34
Dominicans	99.9 /100 \| #64	Exceptional 3.34
Immigrants \| Laos	99.9 /100 \| #65	Exceptional 3.34
Immigrants \| St. Vincent and the Grenadines	99.9 /100 \| #66	Exceptional 3.34