Distribution of population between different poverty thresholds, World, 1820 to 2018

This data is adjusted for inflation and for differences in the cost of living between countries. Data after 1981 relates to household income or expenditure surveys collatedby the World Bank; before 1981 it is based on historical reconstructions of GDP per capita and inequality data.

182020181850190019502000$10-$30 a day$5-$10 a day$1.90-$5 a dayBelow $1.90 adayAbove $30 a day