Russian vs Bulgarian Average Family Size

The statistical analysis conducted on geographies consisting of 511,741,869 people shows a weak negative correlation between the proportion of Russians and average family size in the United States with a correlation coefficient (R) of -0.295 and weighted average of 3.12. Similarly, the statistical analysis conducted on geographies consisting of 205,566,985 people shows a poor positive correlation between the proportion of Bulgarians and average family size in the United States with a correlation coefficient (R) of 0.174 and weighted average of 3.13, a difference of 0.040%.

In terms of average family size, the demographic groups most similar to Russians are Immigrants from Scotland (3.12, a difference of 0.020%), Immigrants from Australia (3.13, a difference of 0.050%), Immigrants from Northern Europe (3.13, a difference of 0.070%), Czechoslovakian (3.13, a difference of 0.11%), and Serbian (3.12, a difference of 0.11%). Similarly, the demographic groups most similar to Bulgarians are Immigrants from Australia (3.13, a difference of 0.0%), Immigrants from Northern Europe (3.13, a difference of 0.030%), Immigrants from Scotland (3.12, a difference of 0.060%), Czechoslovakian (3.13, a difference of 0.070%), and Northern European (3.13, a difference of 0.090%).