British vs Welsh Average Family Size

The statistical analysis conducted on geographies consisting of 531,009,581 people shows a moderate negative correlation between the proportion of British and average family size in the United States with a correlation coefficient (R) of -0.494 and weighted average of 3.13. Similarly, the statistical analysis conducted on geographies consisting of 528,179,662 people shows a poor negative correlation between the proportion of Welsh and average family size in the United States with a correlation coefficient (R) of -0.174 and weighted average of 3.12, a difference of 0.49%.

In terms of average family size, the demographic groups most similar to British are Macedonian (3.13, a difference of 0.010%), Immigrants from Latvia (3.13, a difference of 0.010%), Immigrants from Switzerland (3.13, a difference of 0.020%), Australian (3.13, a difference of 0.050%), and Immigrants from Ireland (3.13, a difference of 0.11%). Similarly, the demographic groups most similar to Welsh are Eastern European (3.12, a difference of 0.0%), Italian (3.12, a difference of 0.010%), Serbian (3.12, a difference of 0.070%), Immigrants from North America (3.12, a difference of 0.070%), and Immigrants from Austria (3.12, a difference of 0.10%).