Immigrants from Italy vs Jamaican 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 367,646,796 people shows a slight negative correlation between the proportion of Jamaicans and average family size in the United States with a correlation coefficient (R) of -0.065 and weighted average of 3.31, a difference of 4.0%.

Average Family Size Correlation Summary

Measurement	Immigrants from Italy	Jamaican
Minimum	2.00	2.36
Maximum	3.55	4.08
Range	1.55	1.72
Mean	2.84	3.38
Median	2.93	3.39
Interquartile 25% (IQ1)	2.45	3.24
Interquartile 75% (IQ3)	3.21	3.54
Interquartile Range (IQR)	0.76	0.30
Standard Deviation (Sample)	0.45	0.28
Standard Deviation (Population)	0.44	0.28

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 Jamaicans by Average Family Size

In terms of average family size, the demographic groups most similar to Jamaicans are Afghan (3.31, a difference of 0.020%), Immigrants from Peru (3.31, a difference of 0.050%), Immigrants from Nigeria (3.32, a difference of 0.060%), Immigrants from Afghanistan (3.32, a difference of 0.10%), and Ecuadorian (3.32, a difference of 0.11%).

Demographics	Rating \| Rank	Average Family Size
British West Indians	99.8 /100 \| #79	Exceptional 3.32
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