Eastern European vs Irish Average Family Size

The statistical analysis conducted on geographies consisting of 460,961,118 people shows a mild negative correlation between the proportion of Eastern Europeans and average family size in the United States with a correlation coefficient (R) of -0.365 and weighted average of 3.12. Similarly, the statistical analysis conducted on geographies consisting of 580,016,096 people shows a poor positive correlation between the proportion of Irish and average family size in the United States with a correlation coefficient (R) of 0.151 and weighted average of 3.10, a difference of 0.58%.

In terms of average family size, the demographic groups most similar to Eastern Europeans are Welsh (3.12, a difference of 0.0%), Italian (3.12, a difference of 0.010%), Immigrants from North America (3.12, a difference of 0.070%), Immigrants from Austria (3.12, a difference of 0.10%), and Immigrants from Canada (3.12, a difference of 0.11%). Similarly, the demographic groups most similar to Irish are Swedish (3.10, a difference of 0.030%), Luxembourger (3.10, a difference of 0.060%), Estonian (3.10, a difference of 0.090%), Lithuanian (3.10, a difference of 0.090%), and Scotch-Irish (3.11, a difference of 0.14%).