You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "where does the us rank in income inequality?" whose answer is 170.
Each document should contain about 30 words, and these documents should contain useful information.

Query: global ranking of countries by income inequality
Useful Output:

Doc 1: Comparing the 130 selected regions regarding the gini index, South Africa is leading the ranking (0.63 points) and is followed by Namibia with 0.58 points.
Doc 2: World Inequality Ranking By Country 2022 ; 1, South Africa, 5.48 ; 2, Namibia, 6.55 ; 3, Zambia, 6.95 ; 4, Central African Republic, 7.63
Doc 3: All Countries and Economies ; Albania · 29.4 ; Algeria · 27.6 ; Angola · 51.3 ; Argentina · 40.7 ; Armenia · 27.9.
Doc 4: New World Bank data highlights income inequality in 49 countries, covering 22% of the global population. With Gini index scores above 40,
Doc 5: African countries had the highest pre-tax Gini coefficients in 2008–2009, with South Africa having the world's highest, estimated to be 0.63 to 0.7.  However,