Immigrants from Portugal vs Arab 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 486,389,490 people shows a significant positive correlation between the proportion of Arabs and average family size in the United States with a correlation coefficient (R) of 0.630 and weighted average of 3.23, a difference of 1.5%.

Average Family Size Correlation Summary

Measurement	Immigrants from Portugal	Arab
Minimum	2.00	1.93
Maximum	3.95	6.00
Range	1.95	4.07
Mean	3.10	3.49
Median	3.09	3.30
Interquartile 25% (IQ1)	2.89	3.19
Interquartile 75% (IQ3)	3.26	3.67
Interquartile Range (IQR)	0.37	0.48
Standard Deviation (Sample)	0.35	0.69
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 Arabs by Average Family Size

In terms of average family size, the demographic groups most similar to Arabs are Taiwanese (3.23, a difference of 0.010%), Aleut (3.23, a difference of 0.010%), Chilean (3.23, a difference of 0.010%), Immigrants from Congo (3.23, a difference of 0.020%), and Immigrants from Uruguay (3.23, a difference of 0.030%).

Demographics	Rating \| Rank	Average Family Size
Uruguayans	58.8 /100 \| #163	Average 3.23
Egyptians	58.6 /100 \| #164	Average 3.23
Ugandans	58.4 /100 \| #165	Average 3.23
Immigrants \| Senegal	57.5 /100 \| #166	Average 3.23
Dutch West Indians	56.9 /100 \| #167	Average 3.23
Taiwanese	54.2 /100 \| #168	Average 3.23
Aleuts	54.1 /100 \| #169	Average 3.23
Arabs	53.8 /100 \| #170	Average 3.23
Chileans	53.2 /100 \| #171	Average 3.23
Immigrants \| Congo	52.7 /100 \| #172	Average 3.23
Immigrants \| Uruguay	52.0 /100 \| #173	Average 3.23
Immigrants \| South Central Asia	50.0 /100 \| #174	Average 3.23
Immigrants \| China	49.9 /100 \| #175	Average 3.23
Israelis	48.7 /100 \| #176	Average 3.23
Argentineans	47.4 /100 \| #177	Average 3.23