Immigrants from Bulgaria vs South American Average Family Size

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. Similarly, the statistical analysis conducted on geographies consisting of 493,671,648 people shows a poor negative correlation between the proportion of South Americans and average family size in the United States with a correlation coefficient (R) of -0.124 and weighted average of 3.27, a difference of 3.5%.

Average Family Size Correlation Summary

Measurement	Immigrants from Bulgaria	South American
Minimum	1.89	2.46
Maximum	3.66	4.13
Range	1.77	1.67
Mean	3.00	3.28
Median	3.09	3.29
Interquartile 25% (IQ1)	2.89	3.18
Interquartile 75% (IQ3)	3.12	3.39
Interquartile Range (IQR)	0.23	0.20
Standard Deviation (Sample)	0.40	0.24
Standard Deviation (Population)	0.39	0.24

Similar Demographics by Average Family Size

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

Demographics Similar to South Americans by Average Family Size

In terms of average family size, the demographic groups most similar to South Americans are Immigrants from Liberia (3.27, a difference of 0.010%), Immigrants from South America (3.27, a difference of 0.010%), Kiowa (3.27, a difference of 0.030%), Immigrants from Panama (3.27, a difference of 0.050%), and Black/African American (3.27, a difference of 0.060%).

Demographics	Rating \| Rank	Average Family Size
Ghanaians	98.0 /100 \| #107	Exceptional 3.29
Asians	97.0 /100 \| #108	Exceptional 3.28
Puerto Ricans	96.7 /100 \| #109	Exceptional 3.28
Bahamians	96.6 /100 \| #110	Exceptional 3.28
Indonesians	96.2 /100 \| #111	Exceptional 3.28
Blacks/African Americans	95.7 /100 \| #112	Exceptional 3.27
Immigrants \| Panama	95.6 /100 \| #113	Exceptional 3.27
South Americans	95.1 /100 \| #114	Exceptional 3.27
Immigrants \| Liberia	95.0 /100 \| #115	Exceptional 3.27
Immigrants \| South America	95.0 /100 \| #116	Exceptional 3.27
Kiowa	94.8 /100 \| #117	Exceptional 3.27
Immigrants \| Asia	94.0 /100 \| #118	Exceptional 3.27
Immigrants \| Indonesia	93.7 /100 \| #119	Exceptional 3.27
Immigrants \| Bahamas	93.6 /100 \| #120	Exceptional 3.27
Immigrants \| Thailand	93.3 /100 \| #121	Exceptional 3.27