Immigrants from Italy vs South American Average Family Size

The statistical analysis conducted on geographies consisting of 324,146,965 people shows a moderate negative correlation between the proportion of Immigrants from Italy and average family size in the United States with a correlation coefficient (R) of -0.444 and weighted average of 3.19. 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 2.7%.

Average Family Size Correlation Summary

Measurement	Immigrants from Italy	South American
Minimum	2.00	2.46
Maximum	3.55	4.13
Range	1.55	1.67
Mean	2.84	3.28
Median	2.93	3.29
Interquartile 25% (IQ1)	2.45	3.18
Interquartile 75% (IQ3)	3.21	3.39
Interquartile Range (IQR)	0.76	0.20
Standard Deviation (Sample)	0.45	0.24
Standard Deviation (Population)	0.44	0.24

Similar Demographics by Average Family Size

Demographics Similar to Immigrants from Italy by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Italy are Icelander (3.19, a difference of 0.010%), Basque (3.19, a difference of 0.010%), Nonimmigrants (3.19, a difference of 0.040%), Chickasaw (3.19, a difference of 0.060%), and Portuguese (3.19, a difference of 0.060%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Kuwait	7.2 /100 \| #222	Tragic 3.19
Immigrants \| Zimbabwe	7.1 /100 \| #223	Tragic 3.19
Syrians	6.5 /100 \| #224	Tragic 3.19
Cree	6.2 /100 \| #225	Tragic 3.19
Chickasaw	6.0 /100 \| #226	Tragic 3.19
Portuguese	6.0 /100 \| #227	Tragic 3.19
Immigrants \| Nonimmigrants	5.7 /100 \| #228	Tragic 3.19
Immigrants \| Italy	5.3 /100 \| #229	Tragic 3.19
Icelanders	5.2 /100 \| #230	Tragic 3.19
Basques	5.2 /100 \| #231	Tragic 3.19
Cherokee	4.7 /100 \| #232	Tragic 3.18
Brazilians	4.5 /100 \| #233	Tragic 3.18
Iranians	4.5 /100 \| #234	Tragic 3.18
Immigrants \| Turkey	4.2 /100 \| #235	Tragic 3.18
Immigrants \| Portugal	4.2 /100 \| #236	Tragic 3.18

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