As a recent OHCHR publication points out: “Essentially, what distinguishes a human rights indicator from a standard disaggregated indicator of socio-economic progress is less its substance than (a) its explicit derivation from a human rights norm and (b) the purpose to which it is put, namely human rights monitoring with a view to holding duty-bearers to account” (OHCHR, Principles and Guidelines for a Human Rights Approach to Poverty Reduction Strategies, para.