The September 2019 global poverty update
from the World Bank includes revised survey data which lead
to minor changes in the most recent global poverty
estimates. The update includes revisions to 18 surveys from
four countries. As a result of the revised data, the
estimate of the global 1.90 US Dollars headcount ratio for
2015 increases slightly from 9.94 percent to 9.98 percent,
whereas the number of poor increases from 731.0 million to
734.5 million people.