income inequality in recent decades. The average annual income (Gross Domestic Product per person or family) doubled between 1970 and 2010 (adjusted for
Development Programme. [11 December 2019]. (原始内容存档于2016-06-27). Inequality-adjusted Human Development Index (IHDI). hdr.undp.org. HDRO (Human Development Report
are the most important contributors to the GDP. Compare your income - Perception of income inequality in OECD countries. [2021-06-27]. (原始内容存档于2021-06-25)