Italian vs Bulgarian Average Family Size

The statistical analysis conducted on geographies consisting of 574,452,986 people shows a slight positive correlation between the proportion of Italians and average family size in the United States with a correlation coefficient (R) of 0.058 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 0.21%.

In terms of average family size, the demographic groups most similar to Italians are Eastern European (3.12, a difference of 0.010%), Welsh (3.12, a difference of 0.010%), Serbian (3.12, a difference of 0.060%), Immigrants from North America (3.12, a difference of 0.080%), and Immigrants from Austria (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%), Russian (3.12, a difference of 0.040%), Immigrants from Scotland (3.12, a difference of 0.060%), and Czechoslovakian (3.13, a difference of 0.070%).