Immigrants from Ireland vs Scandinavian Average Family Size

The statistical analysis conducted on geographies consisting of 240,751,818 people shows a moderate negative correlation between the proportion of Immigrants from Ireland and average family size in the United States with a correlation coefficient (R) of -0.436 and weighted average of 3.13. Similarly, the statistical analysis conducted on geographies consisting of 472,285,775 people shows a weak positive correlation between the proportion of Scandinavians and average family size in the United States with a correlation coefficient (R) of 0.259 and weighted average of 3.14, a difference of 0.28%.

In terms of average family size, the demographic groups most similar to Immigrants from Ireland are Immigrants from Serbia (3.13, a difference of 0.010%), Slavic (3.13, a difference of 0.060%), Northern European (3.13, a difference of 0.060%), Australian (3.13, a difference of 0.070%), and Immigrants from Switzerland (3.13, a difference of 0.090%). Similarly, the demographic groups most similar to Scandinavians are European (3.14, a difference of 0.010%), Immigrants from Croatia (3.14, a difference of 0.020%), Alsatian (3.14, a difference of 0.030%), Austrian (3.14, a difference of 0.030%), and Ukrainian (3.14, a difference of 0.030%).