Immigrants from Ireland vs Brazilian Average Family Size

The statistical analysis conducted on geographies consisting of 240,751,818 people shows a moderate negative correlation between the proportion of Immigrants from Ireland and average family size in the United States with a correlation coefficient (R) of -0.436 and weighted average of 3.13. Similarly, the statistical analysis conducted on geographies consisting of 323,732,012 people shows a weak positive correlation between the proportion of Brazilians and average family size in the United States with a correlation coefficient (R) of 0.232 and weighted average of 3.18, a difference of 1.7%.

Average Family Size Correlation Summary

Measurement	Immigrants from Ireland	Brazilian
Minimum	2.06	2.29
Maximum	3.85	4.09
Range	1.79	1.80
Mean	2.99	3.16
Median	3.05	3.15
Interquartile 25% (IQ1)	2.86	3.08
Interquartile 75% (IQ3)	3.19	3.26
Interquartile Range (IQR)	0.34	0.19
Standard Deviation (Sample)	0.33	0.24
Standard Deviation (Population)	0.33	0.24

Similar Demographics by Average Family Size

Demographics Similar to Immigrants from Ireland by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Ireland are Immigrants from Serbia (3.13, a difference of 0.010%), Slavic (3.13, a difference of 0.060%), Northern European (3.13, a difference of 0.060%), Australian (3.13, a difference of 0.070%), and Immigrants from Switzerland (3.13, a difference of 0.090%).

Demographics	Rating \| Rank	Average Family Size
Canadians	0.2 /100 \| #299	Tragic 3.14
Immigrants \| Sweden	0.2 /100 \| #300	Tragic 3.14
Macedonians	0.2 /100 \| #301	Tragic 3.13
Immigrants \| Latvia	0.2 /100 \| #302	Tragic 3.13
British	0.2 /100 \| #303	Tragic 3.13
Immigrants \| Switzerland	0.2 /100 \| #304	Tragic 3.13
Australians	0.1 /100 \| #305	Tragic 3.13
Immigrants \| Ireland	0.1 /100 \| #306	Tragic 3.13
Immigrants \| Serbia	0.1 /100 \| #307	Tragic 3.13
Slavs	0.1 /100 \| #308	Tragic 3.13
Northern Europeans	0.1 /100 \| #309	Tragic 3.13
Czechoslovakians	0.1 /100 \| #310	Tragic 3.13
Immigrants \| Northern Europe	0.1 /100 \| #311	Tragic 3.13
Immigrants \| Australia	0.1 /100 \| #312	Tragic 3.13
Bulgarians	0.1 /100 \| #313	Tragic 3.13

Demographics Similar to Brazilians by Average Family Size

In terms of average family size, the demographic groups most similar to Brazilians are Iranian (3.18, a difference of 0.0%), Cherokee (3.18, a difference of 0.020%), Immigrants from Turkey (3.18, a difference of 0.030%), Immigrants from Portugal (3.18, a difference of 0.040%), and Icelander (3.19, a difference of 0.070%).

Demographics	Rating \| Rank	Average Family Size
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
Romanians	3.7 /100 \| #238	Tragic 3.18
Houma	3.4 /100 \| #239	Tragic 3.18
Osage	3.2 /100 \| #240	Tragic 3.18