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Jim O'Neill, industry influencer, proposes a method for evaluating a country's income in relation to the global economy. He suggests calculating the ratio between a country's GDP per capita and the world average GDP per capita, weighted by population, using purchasing power parity terms.
According to O'Neill, this comparison can be used to determine when a specific country has reached its peak income relative to the world. He suggests that asking this question for multiple countries could offer useful perspective on their economic trajectories.
O'Neill's approach follows recent analysis by Branko Milanovic, who presented data on China's GDP per capita growth in a global historical context since 1950. Milanovic has also reported on policy shifts, citing restrictions on cash exports above $100,000 to Armenia and other countries effective from April 1. These observations point to ongoing interest in how national economic benchmarks are measured and regulated.