African vs Immigrants from Bulgaria Average Family Size

The statistical analysis conducted on geographies consisting of 469,598,302 people shows a poor negative correlation between the proportion of Africans and average family size in the United States with a correlation coefficient (R) of -0.172 and weighted average of 3.25. 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 2.9%.

Average Family Size Correlation Summary

Measurement	African	Immigrants from Bulgaria
Minimum	1.39	1.89
Maximum	4.88	3.66
Range	3.49	1.77
Mean	3.20	3.00
Median	3.24	3.09
Interquartile 25% (IQ1)	3.02	2.89
Interquartile 75% (IQ3)	3.33	3.12
Interquartile Range (IQR)	0.31	0.23
Standard Deviation (Sample)	0.56	0.40
Standard Deviation (Population)	0.55	0.39

Similar Demographics by Average Family Size

Demographics Similar to Africans by Average Family Size

In terms of average family size, the demographic groups most similar to Africans are Panamanian (3.25, a difference of 0.020%), Immigrants from Venezuela (3.26, a difference of 0.050%), Costa Rican (3.26, a difference of 0.070%), Comanche (3.25, a difference of 0.070%), and Immigrants from Middle Africa (3.25, a difference of 0.080%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Syria	90.6 /100 \| #127	Exceptional 3.26
Colombians	89.9 /100 \| #128	Excellent 3.26
Immigrants \| Hong Kong	88.6 /100 \| #129	Excellent 3.26
Laotians	88.5 /100 \| #130	Excellent 3.26
Immigrants \| Western Asia	87.7 /100 \| #131	Excellent 3.26
Costa Ricans	86.8 /100 \| #132	Excellent 3.26
Immigrants \| Venezuela	86.3 /100 \| #133	Excellent 3.26
Africans	84.9 /100 \| #134	Excellent 3.25
Panamanians	84.2 /100 \| #135	Excellent 3.25
Comanche	82.8 /100 \| #136	Excellent 3.25
Immigrants \| Middle Africa	82.4 /100 \| #137	Excellent 3.25
Cubans	81.8 /100 \| #138	Excellent 3.25
Immigrants \| Ethiopia	81.6 /100 \| #139	Excellent 3.25
Sub-Saharan Africans	81.6 /100 \| #140	Excellent 3.25
Venezuelans	81.4 /100 \| #141	Excellent 3.25

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