Immigrants from Spain vs American Average Family Size

The statistical analysis conducted on geographies consisting of 239,606,495 people shows a moderate negative correlation between the proportion of Immigrants from Spain and average family size in the United States with a correlation coefficient (R) of -0.424 and weighted average of 3.17. Similarly, the statistical analysis conducted on geographies consisting of 581,385,339 people shows no correlation between the proportion of Americans and average family size in the United States with a correlation coefficient (R) of 0.046 and weighted average of 3.16, a difference of 0.28%.

In terms of average family size, the demographic groups most similar to Immigrants from Spain are Puget Sound Salish (3.17, a difference of 0.010%), Immigrants from Saudi Arabia (3.17, a difference of 0.030%), South African (3.17, a difference of 0.030%), Immigrants from Hungary (3.17, a difference of 0.040%), and Cape Verdean (3.17, a difference of 0.050%). Similarly, the demographic groups most similar to Americans are Immigrants from Bulgaria (3.16, a difference of 0.020%), Immigrants from South Africa (3.16, a difference of 0.050%), Immigrants from Greece (3.16, a difference of 0.060%), Iroquois (3.16, a difference of 0.080%), and Immigrants from Russia (3.16, a difference of 0.11%).