Icelander vs Immigrants from Spain Average Family Size

The statistical analysis conducted on geographies consisting of 159,626,444 people shows a weak positive correlation between the proportion of Icelanders and average family size in the United States with a correlation coefficient (R) of 0.225 and weighted average of 3.19. Similarly, the statistical analysis conducted on geographies consisting of 239,606,495 people shows a moderate negative correlation between the proportion of Immigrants from Spain and average family size in the United States with a correlation coefficient (R) of -0.424 and weighted average of 3.17, a difference of 0.50%.

Average Family Size Correlation Summary

Measurement	Icelander	Immigrants from Spain
Minimum	1.83	1.74
Maximum	4.00	3.70
Range	2.17	1.96
Mean	2.97	2.99
Median	3.02	3.05
Interquartile 25% (IQ1)	2.68	2.85
Interquartile 75% (IQ3)	3.25	3.19
Interquartile Range (IQR)	0.57	0.33
Standard Deviation (Sample)	0.50	0.36
Standard Deviation (Population)	0.49	0.36

Similar Demographics by Average Family Size

Demographics Similar to Icelanders by Average Family Size

In terms of average family size, the demographic groups most similar to Icelanders are Basque (3.19, a difference of 0.0%), Immigrants from Italy (3.19, a difference of 0.010%), Cherokee (3.18, a difference of 0.040%), Nonimmigrants (3.19, a difference of 0.050%), and Portuguese (3.19, a difference of 0.070%).

Demographics	Rating \| Rank	Average Family Size
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
Immigrants \| Romania	3.7 /100 \| #237	Tragic 3.18

Demographics Similar to Immigrants from Spain by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Spain are Puget Sound Salish (3.17, a difference of 0.010%), Immigrants from Saudi Arabia (3.17, a difference of 0.030%), South African (3.17, a difference of 0.030%), Immigrants from Hungary (3.17, a difference of 0.040%), and Cape Verdean (3.17, a difference of 0.050%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Southern Europe	2.9 /100 \| #244	Tragic 3.18
Immigrants \| Brazil	2.7 /100 \| #245	Tragic 3.18
Danes	2.5 /100 \| #246	Tragic 3.17
Cajuns	2.4 /100 \| #247	Tragic 3.17
Immigrants \| Belarus	2.3 /100 \| #248	Tragic 3.17
Immigrants \| Eastern Europe	2.1 /100 \| #249	Tragic 3.17
Puget Sound Salish	1.9 /100 \| #250	Tragic 3.17
Immigrants \| Spain	1.8 /100 \| #251	Tragic 3.17
Immigrants \| Saudi Arabia	1.7 /100 \| #252	Tragic 3.17
South Africans	1.7 /100 \| #253	Tragic 3.17
Immigrants \| Hungary	1.7 /100 \| #254	Tragic 3.17
Cape Verdeans	1.6 /100 \| #255	Tragic 3.17
Immigrants \| Kazakhstan	1.5 /100 \| #256	Tragic 3.17
Albanians	1.5 /100 \| #257	Tragic 3.17
Turks	1.3 /100 \| #258	Tragic 3.16