Immigrants from South America vs Scotch-Irish Married-couple Households

The statistical analysis conducted on geographies consisting of 486,013,684 people shows a mild positive correlation between the proportion of Immigrants from South America and percentage of married-couple family households in the United States with a correlation coefficient (R) of 0.375 and weighted average of 45.9%. Similarly, the statistical analysis conducted on geographies consisting of 548,347,106 people shows a substantial positive correlation between the proportion of Scotch-Irish and percentage of married-couple family households in the United States with a correlation coefficient (R) of 0.593 and weighted average of 48.3%, a difference of 5.2%.

In terms of married-couple households, the demographic groups most similar to Immigrants from South America are Chickasaw (45.9%, a difference of 0.030%), Cambodian (45.9%, a difference of 0.050%), Mexican American Indian (45.9%, a difference of 0.060%), Taiwanese (45.9%, a difference of 0.070%), and Immigrants from Northern Africa (46.0%, a difference of 0.13%).

In terms of married-couple households, the demographic groups most similar to Scotch-Irish are Immigrants from Singapore (48.3%, a difference of 0.020%), Immigrants from Romania (48.3%, a difference of 0.040%), Immigrants from England (48.2%, a difference of 0.12%), Immigrants from Fiji (48.2%, a difference of 0.13%), and Laotian (48.4%, a difference of 0.17%).