WASHINGTON, D.C. — The median annual household income worldwide is $9,733, and the median per-capita household income is $2,920, according to new Gallup metrics. Vast differences between more economically developed countries and those with developing or transitional economies illustrate how dramatically spending power varies worldwide. Median per-capita incomes in the top 10 wealthiest populations are more than 50 times those in the 10 poorest populations, all of which are in sub-Saharan Africa.
Source: Worldwide, Median Household Income About $10,000 http://www.gallup.com/poll/166211/worldwide-median-household-income-000.aspx?utm_source=add_this&utm_medium=addthis.com&utm_campaign=sharing#.UrAF9HpaEOI.twitter