Welsh vs South American Indian Median Family Income

The statistical analysis conducted on geographies consisting of 527,824,493 people shows a weak negative correlation between the proportion of Welsh and median family income in the United States with a correlation coefficient (R) of -0.201 and weighted average of $102,151. Similarly, the statistical analysis conducted on geographies consisting of 164,518,515 people shows a poor negative correlation between the proportion of South American Indians and median family income in the United States with a correlation coefficient (R) of -0.185 and weighted average of $103,624, a difference of 1.4%.

In terms of median family income, the demographic groups most similar to Welsh are German ($102,254, a difference of 0.10%), French ($102,368, a difference of 0.21%), Immigrants from Eastern Africa ($102,451, a difference of 0.29%), South American ($101,856, a difference of 0.29%), and Finnish ($102,676, a difference of 0.51%). Similarly, the demographic groups most similar to South American Indians are English ($103,684, a difference of 0.060%), Immigrants from Peru ($103,534, a difference of 0.090%), Slovak ($103,729, a difference of 0.10%), Sierra Leonean ($103,859, a difference of 0.23%), and Czechoslovakian ($103,273, a difference of 0.34%).