Blackfeet vs Immigrants from Bulgaria Average Family Size

The statistical analysis conducted on geographies consisting of 309,476,508 people shows a mild positive correlation between the proportion of Blackfeet and average family size in the United States with a correlation coefficient (R) of 0.306 and weighted average of 3.24. Similarly, the statistical analysis conducted on geographies consisting of 172,540,373 people shows a strong negative correlation between the proportion of Immigrants from Bulgaria and average family size in the United States with a correlation coefficient (R) of -0.702 and weighted average of 3.16, a difference of 2.6%.

Average Family Size Correlation Summary

Measurement	Blackfeet	Immigrants from Bulgaria
Minimum	1.39	1.89
Maximum	6.13	3.66
Range	4.74	1.77
Mean	3.32	3.00
Median	3.19	3.09
Interquartile 25% (IQ1)	2.93	2.89
Interquartile 75% (IQ3)	3.60	3.12
Interquartile Range (IQR)	0.67	0.23
Standard Deviation (Sample)	0.80	0.40
Standard Deviation (Population)	0.79	0.39

Similar Demographics by Average Family Size

Demographics Similar to Blackfeet by Average Family Size

In terms of average family size, the demographic groups most similar to Blackfeet are Immigrants from Jordan (3.24, a difference of 0.020%), Assyrian/Chaldean/Syriac (3.24, a difference of 0.030%), Indian (Asian) (3.24, a difference of 0.030%), Jordanian (3.24, a difference of 0.040%), and Spanish American (3.24, a difference of 0.060%).

Demographics	Rating \| Rank	Average Family Size
Venezuelans	81.4 /100 \| #141	Excellent 3.25
Liberians	81.2 /100 \| #142	Excellent 3.25
Bhutanese	81.0 /100 \| #143	Excellent 3.25
Tsimshian	80.2 /100 \| #144	Excellent 3.25
Armenians	78.2 /100 \| #145	Good 3.25
Immigrants \| Africa	77.9 /100 \| #146	Good 3.25
Immigrants \| Jordan	75.7 /100 \| #147	Good 3.24
Blackfeet	75.0 /100 \| #148	Good 3.24
Assyrians/Chaldeans/Syriacs	73.8 /100 \| #149	Good 3.24
Indians (Asian)	73.6 /100 \| #150	Good 3.24
Jordanians	73.5 /100 \| #151	Good 3.24
Spanish Americans	72.5 /100 \| #152	Good 3.24
Immigrants \| Eritrea	71.4 /100 \| #153	Good 3.24
Immigrants \| Egypt	70.0 /100 \| #154	Good 3.24
Seminole	68.2 /100 \| #155	Good 3.24

Demographics Similar to Immigrants from Bulgaria by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Bulgaria are American (3.16, a difference of 0.020%), Immigrants from South Africa (3.16, a difference of 0.070%), Immigrants from Greece (3.16, a difference of 0.080%), Immigrants from North Macedonia (3.16, a difference of 0.10%), and Immigrants from Russia (3.16, a difference of 0.10%).

Demographics	Rating \| Rank	Average Family Size
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
Potawatomi	1.3 /100 \| #259	Tragic 3.16
Immigrants \| Albania	1.3 /100 \| #260	Tragic 3.16
Immigrants \| North Macedonia	1.3 /100 \| #261	Tragic 3.16
Immigrants \| Russia	1.3 /100 \| #262	Tragic 3.16
Immigrants \| Bulgaria	1.0 /100 \| #263	Tragic 3.16
Americans	1.0 /100 \| #264	Tragic 3.16
Immigrants \| South Africa	0.9 /100 \| #265	Tragic 3.16
Immigrants \| Greece	0.9 /100 \| #266	Tragic 3.16
Iroquois	0.8 /100 \| #267	Tragic 3.16
Maltese	0.8 /100 \| #268	Tragic 3.16
Immigrants \| Singapore	0.7 /100 \| #269	Tragic 3.16
Tlingit-Haida	0.7 /100 \| #270	Tragic 3.16