Bulgarian vs Immigrants from Spain Average Family Size

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. Similarly, the statistical analysis conducted on geographies consisting of 239,606,495 people shows a moderate negative correlation between the proportion of Immigrants from Spain and average family size in the United States with a correlation coefficient (R) of -0.424 and weighted average of 3.17, a difference of 1.4%.

Average Family Size Correlation Summary

Measurement	Bulgarian	Immigrants from Spain
Minimum	2.13	1.74
Maximum	3.88	3.70
Range	1.75	1.96
Mean	3.08	2.99
Median	3.09	3.05
Interquartile 25% (IQ1)	2.96	2.85
Interquartile 75% (IQ3)	3.17	3.19
Interquartile Range (IQR)	0.21	0.33
Standard Deviation (Sample)	0.28	0.36
Standard Deviation (Population)	0.27	0.36

Similar Demographics by Average Family Size

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

Demographics Similar to Immigrants from Spain by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Spain are Puget Sound Salish (3.17, a difference of 0.010%), Immigrants from Saudi Arabia (3.17, a difference of 0.030%), South African (3.17, a difference of 0.030%), Immigrants from Hungary (3.17, a difference of 0.040%), and Cape Verdean (3.17, a difference of 0.050%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Southern Europe	2.9 /100 \| #244	Tragic 3.18
Immigrants \| Brazil	2.7 /100 \| #245	Tragic 3.18
Danes	2.5 /100 \| #246	Tragic 3.17
Cajuns	2.4 /100 \| #247	Tragic 3.17
Immigrants \| Belarus	2.3 /100 \| #248	Tragic 3.17
Immigrants \| Eastern Europe	2.1 /100 \| #249	Tragic 3.17
Puget Sound Salish	1.9 /100 \| #250	Tragic 3.17
Immigrants \| Spain	1.8 /100 \| #251	Tragic 3.17
Immigrants \| Saudi Arabia	1.7 /100 \| #252	Tragic 3.17
South Africans	1.7 /100 \| #253	Tragic 3.17
Immigrants \| Hungary	1.7 /100 \| #254	Tragic 3.17
Cape Verdeans	1.6 /100 \| #255	Tragic 3.17
Immigrants \| Kazakhstan	1.5 /100 \| #256	Tragic 3.17
Albanians	1.5 /100 \| #257	Tragic 3.17
Turks	1.3 /100 \| #258	Tragic 3.16