“Seventy percent of the world’s extreme poor are women”. If you’ve encountered this statistic before, please raise your hand. That is a lot of hands. And yet, this is what we call a ‘zombie statistic’: often quoted but rarely, if ever, presented with a source from which the number can be replicated.
This year’s global poverty update from the World Bank is a minor one. Until reference year 2008, the World Bank published new poverty estimates every three years, and between 2010 and 2013 we released new numbers every year (see here).