"Poverty lines drawn by national governments or national statistical offices to measure poverty. It is not possible to make comparisons between countries using national poverty lines as each is calculated on the basis of criteria specific to that country".
Source: Chronic Poverty Research Centre. 2005. "The Chronic Poverty Report 2004-2005". Chronic Poverty Research Centre. <http://www.chronicpoverty.org/uploads/publication_files/CPR1_appendices.pdf>. Accessed 5 May 2020.