Immigrants from Portugal vs Iraqi 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 170,567,061 people shows a poor positive correlation between the proportion of Iraqis and average family size in the United States with a correlation coefficient (R) of 0.196 and weighted average of 3.24, a difference of 1.7%.

Average Family Size Correlation Summary

Measurement	Immigrants from Portugal	Iraqi
Minimum	2.00	2.59
Maximum	3.95	3.86
Range	1.95	1.27
Mean	3.10	3.19
Median	3.09	3.18
Interquartile 25% (IQ1)	2.89	3.10
Interquartile 75% (IQ3)	3.26	3.26
Interquartile Range (IQR)	0.37	0.16
Standard Deviation (Sample)	0.35	0.18
Standard Deviation (Population)	0.35	0.18

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 Iraqis by Average Family Size

In terms of average family size, the demographic groups most similar to Iraqis are Ethiopian (3.24, a difference of 0.010%), Immigrants from Iraq (3.24, a difference of 0.010%), Immigrants from Chile (3.24, a difference of 0.020%), Immigrants from Uzbekistan (3.24, a difference of 0.050%), and Seminole (3.24, a difference of 0.080%).

Demographics	Rating \| Rank	Average Family Size
Jordanians	73.5 /100 \| #151	Good 3.24
Spanish Americans	72.5 /100 \| #152	Good 3.24
Immigrants \| Eritrea	71.4 /100 \| #153	Good 3.24
Immigrants \| Egypt	70.0 /100 \| #154	Good 3.24
Seminole	68.2 /100 \| #155	Good 3.24
Immigrants \| Taiwan	68.1 /100 \| #156	Good 3.24
Immigrants \| Uzbekistan	67.0 /100 \| #157	Good 3.24
Iraqis	64.3 /100 \| #158	Good 3.24
Ethiopians	63.9 /100 \| #159	Good 3.24
Immigrants \| Iraq	63.7 /100 \| #160	Good 3.24
Immigrants \| Chile	63.2 /100 \| #161	Good 3.24
Immigrants \| Uganda	60.1 /100 \| #162	Good 3.23
Uruguayans	58.8 /100 \| #163	Average 3.23
Egyptians	58.6 /100 \| #164	Average 3.23
Ugandans	58.4 /100 \| #165	Average 3.23