Italian vs Immigrants from Peru Average Family Size

The statistical analysis conducted on geographies consisting of 574,452,986 people shows a slight positive correlation between the proportion of Italians and average family size in the United States with a correlation coefficient (R) of 0.058 and weighted average of 3.12. Similarly, the statistical analysis conducted on geographies consisting of 328,761,601 people shows a weak negative correlation between the proportion of Immigrants from Peru and average family size in the United States with a correlation coefficient (R) of -0.236 and weighted average of 3.31, a difference of 6.2%.

Average Family Size Correlation Summary

Measurement	Italian	Immigrants from Peru
Minimum	1.62	2.15
Maximum	4.95	4.27
Range	3.33	2.12
Mean	3.13	3.28
Median	3.12	3.31
Interquartile 25% (IQ1)	3.04	3.19
Interquartile 75% (IQ3)	3.26	3.41
Interquartile Range (IQR)	0.22	0.22
Standard Deviation (Sample)	0.47	0.38
Standard Deviation (Population)	0.47	0.38

Similar Demographics by Average Family Size

Demographics Similar to Italians by Average Family Size

In terms of average family size, the demographic groups most similar to Italians are Eastern European (3.12, a difference of 0.010%), Welsh (3.12, a difference of 0.010%), Serbian (3.12, a difference of 0.060%), Immigrants from North America (3.12, a difference of 0.080%), and Immigrants from Austria (3.12, a difference of 0.11%).

Demographics	Rating \| Rank	Average Family Size
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
Immigrants \| Austria	0.0 /100 \| #321	Tragic 3.12
Immigrants \| Canada	0.0 /100 \| #322	Tragic 3.12
Soviet Union	0.0 /100 \| #323	Tragic 3.11
Celtics	0.0 /100 \| #324	Tragic 3.11

Demographics Similar to Immigrants from Peru by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Peru are Jamaican (3.31, a difference of 0.050%), Afghan (3.31, a difference of 0.070%), Immigrants from Bolivia (3.31, a difference of 0.090%), Malaysian (3.31, a difference of 0.10%), and Immigrants from Nigeria (3.32, a difference of 0.12%).

Demographics	Rating \| Rank	Average Family Size
Lumbee	99.8 /100 \| #80	Exceptional 3.32
Immigrants \| Dominica	99.8 /100 \| #81	Exceptional 3.32
Ecuadorians	99.8 /100 \| #82	Exceptional 3.32
Immigrants \| Afghanistan	99.8 /100 \| #83	Exceptional 3.32
Immigrants \| Nigeria	99.7 /100 \| #84	Exceptional 3.32
Afghans	99.7 /100 \| #85	Exceptional 3.31
Jamaicans	99.7 /100 \| #86	Exceptional 3.31
Immigrants \| Peru	99.7 /100 \| #87	Exceptional 3.31
Immigrants \| Bolivia	99.6 /100 \| #88	Exceptional 3.31
Malaysians	99.6 /100 \| #89	Exceptional 3.31
Menominee	99.4 /100 \| #90	Exceptional 3.30
Immigrants \| Pakistan	99.2 /100 \| #91	Exceptional 3.30
Immigrants \| Cameroon	99.2 /100 \| #92	Exceptional 3.30
Peruvians	99.2 /100 \| #93	Exceptional 3.30
Sierra Leoneans	99.0 /100 \| #94	Exceptional 3.30