Immigrants from Portugal vs South African Average Family Size

The statistical analysis conducted on geographies consisting of 174,766,763 people shows a moderate negative correlation between the proportion of Immigrants from Portugal and average family size in the United States with a correlation coefficient (R) of -0.426 and weighted average of 3.18. Similarly, the statistical analysis conducted on geographies consisting of 182,542,569 people shows a poor negative correlation between the proportion of South Africans and average family size in the United States with a correlation coefficient (R) of -0.124 and weighted average of 3.17, a difference of 0.43%.

In terms of average family size, the demographic groups most similar to Immigrants from Portugal are Immigrants from Turkey (3.18, a difference of 0.010%), Iranian (3.18, a difference of 0.030%), Immigrants from Romania (3.18, a difference of 0.050%), Romanian (3.18, a difference of 0.050%), and Houma (3.18, a difference of 0.10%). Similarly, the demographic groups most similar to South Africans are Immigrants from Saudi Arabia (3.17, a difference of 0.0%), Immigrants from Hungary (3.17, a difference of 0.0%), Immigrants from Spain (3.17, a difference of 0.030%), Puget Sound Salish (3.17, a difference of 0.040%), and Immigrants from Eastern Europe (3.17, a difference of 0.10%).