1. World's First Trillionaire May Emerge in 10 Years;Andrew Jeong;Disparity Report Finds,2024
2. The global inequality boomerang
3. Global Income Inequality in Numbers: In History and Now;Branko Milanovic;Global Policy,2013
4. the OECD surveyed 18 countries and concluded that "the bottom 40% own only 3% of total household wealth � [whereas] their share of total household income is 20%;It Together: Why Less Inequality Benefits All,2015