Immigrants from Bulgaria vs British West Indian Average Family Size

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. Similarly, the statistical analysis conducted on geographies consisting of 152,638,321 people shows a poor negative correlation between the proportion of British West Indians and average family size in the United States with a correlation coefficient (R) of -0.188 and weighted average of 3.32, a difference of 5.0%.

Average Family Size Correlation Summary

Measurement	Immigrants from Bulgaria	British West Indian
Minimum	1.89	2.72
Maximum	3.66	3.92
Range	1.77	1.20
Mean	3.00	3.31
Median	3.09	3.30
Interquartile 25% (IQ1)	2.89	3.21
Interquartile 75% (IQ3)	3.12	3.43
Interquartile Range (IQR)	0.23	0.22
Standard Deviation (Sample)	0.40	0.21
Standard Deviation (Population)	0.39	0.21

Similar Demographics by Average Family Size

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

Demographics Similar to British West Indians by Average Family Size

In terms of average family size, the demographic groups most similar to British West Indians are Immigrants from Micronesia (3.32, a difference of 0.010%), Lumbee (3.32, a difference of 0.020%), Immigrants from Ecuador (3.32, a difference of 0.050%), Trinidadian and Tobagonian (3.32, a difference of 0.060%), and Immigrants from Dominica (3.32, a difference of 0.060%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Caribbean	99.9 /100 \| #72	Exceptional 3.33
Yaqui	99.9 /100 \| #73	Exceptional 3.32
Immigrants \| Sierra Leone	99.9 /100 \| #74	Exceptional 3.32
Immigrants \| Barbados	99.8 /100 \| #75	Exceptional 3.32
Trinidadians and Tobagonians	99.8 /100 \| #76	Exceptional 3.32
Immigrants \| Ecuador	99.8 /100 \| #77	Exceptional 3.32
Immigrants \| Micronesia	99.8 /100 \| #78	Exceptional 3.32
British West Indians	99.8 /100 \| #79	Exceptional 3.32
Lumbee	99.8 /100 \| #80	Exceptional 3.32
Immigrants \| Dominica	99.8 /100 \| #81	Exceptional 3.32
Ecuadorians	99.8 /100 \| #82	Exceptional 3.32
Immigrants \| Afghanistan	99.8 /100 \| #83	Exceptional 3.32
Immigrants \| Nigeria	99.7 /100 \| #84	Exceptional 3.32
Afghans	99.7 /100 \| #85	Exceptional 3.31
Jamaicans	99.7 /100 \| #86	Exceptional 3.31