Portuguese vs South American Indian Householder Income Over 65 years

The statistical analysis conducted on geographies consisting of 448,159,780 people shows a moderate negative correlation between the proportion of Portuguese and household income with householder over the age of 65 in the United States with a correlation coefficient (R) of -0.418 and weighted average of $61,440. Similarly, the statistical analysis conducted on geographies consisting of 164,391,818 people shows a significant positive correlation between the proportion of South American Indians and household income with householder over the age of 65 in the United States with a correlation coefficient (R) of 0.673 and weighted average of $62,215, a difference of 1.3%.

In terms of householder income over 65 years, the demographic groups most similar to Portuguese are Brazilian ($61,465, a difference of 0.040%), English ($61,487, a difference of 0.080%), Macedonian ($61,564, a difference of 0.20%), Scandinavian ($61,586, a difference of 0.24%), and Polish ($61,598, a difference of 0.26%). Similarly, the demographic groups most similar to South American Indians are Canadian ($62,230, a difference of 0.020%), Immigrants from Belarus ($62,162, a difference of 0.090%), Immigrants from Peru ($61,988, a difference of 0.37%), Immigrants from Uganda ($61,976, a difference of 0.39%), and Immigrants from Southern Europe ($61,902, a difference of 0.51%).