The first and most significant was to cut in half the proportion of people living in extreme poverty globally — defined as an income below US$ 1 per day. (canadianbusiness.com)
Between 1990 and 2010 the percentage of people living in extreme poverty fell to 21 % from 43 %. (canadianbusiness.com)
[2] Moreover: it was found that 20 percent of people living in extreme poverty have a disability. (blog.politics.ox.ac.uk)