Immigrants from Portugal vs European Average Family Size

The statistical analysis conducted on geographies consisting of 174,766,763 people shows a moderate negative correlation between the proportion of Immigrants from Portugal and average family size in the United States with a correlation coefficient (R) of -0.426 and weighted average of 3.18. Similarly, the statistical analysis conducted on geographies consisting of 561,245,179 people shows no correlation between the proportion of Europeans and average family size in the United States with a correlation coefficient (R) of 0.000 and weighted average of 3.14, a difference of 1.4%.

Average Family Size Correlation Summary

Measurement	Immigrants from Portugal	European
Minimum	2.00	1.67
Maximum	3.95	5.39
Range	1.95	3.72
Mean	3.10	3.13
Median	3.09	3.16
Interquartile 25% (IQ1)	2.89	2.95
Interquartile 75% (IQ3)	3.26	3.40
Interquartile Range (IQR)	0.37	0.45
Standard Deviation (Sample)	0.35	0.68
Standard Deviation (Population)	0.35	0.68

Similar Demographics by Average Family Size

Demographics Similar to Immigrants from Portugal by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Portugal are Immigrants from Turkey (3.18, a difference of 0.010%), Iranian (3.18, a difference of 0.030%), Brazilian (3.18, a difference of 0.040%), Immigrants from Romania (3.18, a difference of 0.050%), and Romanian (3.18, a difference of 0.050%).

Demographics	Rating \| Rank	Average Family Size
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
Immigrants \| Romania	3.7 /100 \| #237	Tragic 3.18
Romanians	3.7 /100 \| #238	Tragic 3.18
Houma	3.4 /100 \| #239	Tragic 3.18
Osage	3.2 /100 \| #240	Tragic 3.18
Immigrants \| Japan	3.0 /100 \| #241	Tragic 3.18
Hungarians	3.0 /100 \| #242	Tragic 3.18
Immigrants \| Moldova	2.9 /100 \| #243	Tragic 3.18

Demographics Similar to Europeans by Average Family Size

In terms of average family size, the demographic groups most similar to Europeans are Scandinavian (3.14, a difference of 0.010%), Alsatian (3.14, a difference of 0.020%), Immigrants from Croatia (3.14, a difference of 0.030%), Austrian (3.14, a difference of 0.030%), and Ukrainian (3.14, a difference of 0.030%).

Demographics	Rating \| Rank	Average Family Size
Whites/Caucasians	0.3 /100 \| #285	Tragic 3.14
Immigrants \| Netherlands	0.3 /100 \| #286	Tragic 3.14
Greeks	0.3 /100 \| #287	Tragic 3.14
Immigrants \| Czechoslovakia	0.3 /100 \| #288	Tragic 3.14
Immigrants \| Norway	0.3 /100 \| #289	Tragic 3.14
Cypriots	0.3 /100 \| #290	Tragic 3.14
Alsatians	0.2 /100 \| #291	Tragic 3.14
Europeans	0.2 /100 \| #292	Tragic 3.14
Scandinavians	0.2 /100 \| #293	Tragic 3.14
Immigrants \| Croatia	0.2 /100 \| #294	Tragic 3.14
Austrians	0.2 /100 \| #295	Tragic 3.14
Ukrainians	0.2 /100 \| #296	Tragic 3.14
Immigrants \| Western Europe	0.2 /100 \| #297	Tragic 3.14
Colville	0.2 /100 \| #298	Tragic 3.14
Canadians	0.2 /100 \| #299	Tragic 3.14