Median household income. From a couple seconds worth of Googling: https://en.wikipedia.org/wiki/Median_income#Gallup_gross_median_household_income https://en.

Median household income. From a couple seconds worth of Googling: https://en.wikipedia.org/wiki/Median_income#Gallup_gross_median_household_income https://en.wikipedia.org/wiki/Median_income#Gallup_gross_med... > Japan: 34822 https://en.wikipedia.org/wiki/Mississippi https://en.wikipedia.org/wiki/Mississippi > MS: 40037