The data illustrate the percentage of populations living on $1 a day (or less), measured in 1987 dollars, between 1970-2006.
Source: Maxim Pinkovskiy and Xavier Sala-i-Martin, NBER Working Paper No. 15433The data illustrate the percentage of populations living on $1 a day (or less), measured in 1987 dollars, between 1970-2006.
Source: Maxim Pinkovskiy and Xavier Sala-i-Martin, NBER Working Paper No. 15433