Arab vs Immigrants from Bulgaria Average Family Size

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. 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 2.2%.

Average Family Size Correlation Summary

Measurement	Arab	Immigrants from Bulgaria
Minimum	1.93	1.89
Maximum	6.00	3.66
Range	4.07	1.77
Mean	3.49	3.00
Median	3.30	3.09
Interquartile 25% (IQ1)	3.19	2.89
Interquartile 75% (IQ3)	3.67	3.12
Interquartile Range (IQR)	0.48	0.23
Standard Deviation (Sample)	0.69	0.40
Standard Deviation (Population)	0.68	0.39

Similar Demographics by Average Family Size

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

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