Portuguese vs Immigrants from Bulgaria Average Family Size

The statistical analysis conducted on geographies consisting of 449,985,413 people shows a weak negative correlation between the proportion of Portuguese and average family size in the United States with a correlation coefficient (R) of -0.297 and weighted average of 3.19. Similarly, the statistical analysis conducted on geographies consisting of 172,540,373 people shows a strong negative correlation between the proportion of Immigrants from Bulgaria and average family size in the United States with a correlation coefficient (R) of -0.702 and weighted average of 3.16, a difference of 0.84%.

Average Family Size Correlation Summary

Measurement	Portuguese	Immigrants from Bulgaria
Minimum	1.90	1.89
Maximum	3.84	3.66
Range	1.94	1.77
Mean	3.03	3.00
Median	3.06	3.09
Interquartile 25% (IQ1)	2.86	2.89
Interquartile 75% (IQ3)	3.22	3.12
Interquartile Range (IQR)	0.36	0.23
Standard Deviation (Sample)	0.36	0.40
Standard Deviation (Population)	0.36	0.39

Similar Demographics by Average Family Size

Demographics Similar to Portuguese by Average Family Size

In terms of average family size, the demographic groups most similar to Portuguese are Chickasaw (3.19, a difference of 0.0%), Cree (3.19, a difference of 0.020%), Nonimmigrants (3.19, a difference of 0.020%), Syrian (3.19, a difference of 0.040%), and Immigrants from Italy (3.19, a difference of 0.060%).

Demographics	Rating \| Rank	Average Family Size
Lebanese	9.1 /100 \| #220	Tragic 3.19
Immigrants \| Ukraine	7.2 /100 \| #221	Tragic 3.19
Immigrants \| Kuwait	7.2 /100 \| #222	Tragic 3.19
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

Demographics Similar to Immigrants from Bulgaria by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Bulgaria are American (3.16, a difference of 0.020%), Immigrants from South Africa (3.16, a difference of 0.070%), Immigrants from Greece (3.16, a difference of 0.080%), Immigrants from North Macedonia (3.16, a difference of 0.10%), and Immigrants from Russia (3.16, a difference of 0.10%).

Demographics	Rating \| Rank	Average Family Size
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
Potawatomi	1.3 /100 \| #259	Tragic 3.16
Immigrants \| Albania	1.3 /100 \| #260	Tragic 3.16
Immigrants \| North Macedonia	1.3 /100 \| #261	Tragic 3.16
Immigrants \| Russia	1.3 /100 \| #262	Tragic 3.16
Immigrants \| Bulgaria	1.0 /100 \| #263	Tragic 3.16
Americans	1.0 /100 \| #264	Tragic 3.16
Immigrants \| South Africa	0.9 /100 \| #265	Tragic 3.16
Immigrants \| Greece	0.9 /100 \| #266	Tragic 3.16
Iroquois	0.8 /100 \| #267	Tragic 3.16
Maltese	0.8 /100 \| #268	Tragic 3.16
Immigrants \| Singapore	0.7 /100 \| #269	Tragic 3.16
Tlingit-Haida	0.7 /100 \| #270	Tragic 3.16