According to the British broadcasting company (BBC) reported recently, the world's workers each year revenue nearly $70 trillion,cheap beats by dre and the whole world now there are about 7 billion people, according to this algorithm, the world's per capita annual salary is $10000--but should, in fact, not everyone has a job, and the 7 billion population is a substantial number of children,beats headphones this algorithm apparently was not accurate enough.ILO economists do the following calculation: first of all, in every country of statistics collected every field of average wage, again with the country laborer multiply the number, it is concluded that the amount of gross income of all countries,beats headphones will be included in the countries all statistics total income addition, divided by the number of global laborer, calculated the per capita income of the world should be 1480 dollars, also is close to $18000 a year.Beats by dre shopStrictly speaking, the dollars and not used here popular in the sense of "dollars," but is called "Purchasing Power Parity law currency" (Purchasing Power Parity dollars), but they are in the value (Purchasing Power) is pretty, that is, the countries of the per capita income was transformed into Purchasing Power as a benchmark value in us dollars numerical;Here said the per capita income,beats headphones in fact is the income in the purchasing power of the United States.The United Nations announced the 72 countries per capita salary purchasing power China ranked 57