Inequality index: where are the world's most unequal countries?
("America's most iconic city now has the same inequality index as Swaziland," the report said).
Iran ranks 109th out of 152 countries on the UN's gender inequality index.
In 2011, Brazil earned its best rating in the Gini inequality index since 1960, the year the index was introduced.
Atkinson, A senior research fellow of Nuffield College, Oxford since 2005, Atkinson has an inequality index named after him.
But according to the UN's gender inequality index, India comes bottom of the 23 countries surveyed by Ipsos.
Gender disparity is acute in Africa's most populous country, which ranks 118 out of 134 countries in the UN's gender inequality index.
However, the status of Afghan women is among the worst in the world, according to the UN's latest gender inequality index.
PNG has a gender inequality index of 0.617 and Tonga 0.462, in contrast to the most gender equal nation, Norway, at 0.065.
But, with Nicaragua ranking 132nd out of 187 countries in the UN's 2014 Gender Inequality Index, there's a serious side to her newfound assertiveness, too.
Historically, the United Nations' work toward gender equality has included an annual Gender Inequality Index, an international ranking in which Canada has steadily fallen.
