India's per capita income (nominal) was $1,498 in 2013, ranked at 120th out of 164 countries by the World Bank, while its per capita income on purchasing power parity (PPP) basis was US$5,350, and ranked 106th. Other estimates for per capita Gross National Income and Gross Domestic Product vary by source. For example, India's average GDP per capita on PPP basis in 2009, according to The Economist, was US$5,138, with significant variation among its states and union territories. Goa had the highest per capita PPP GDP at US$4903, while Bihar the lowest with per capita PPP GDP of US$682 as of 2015...