To put these sums in perspective, consider this: to bring everyone in the world above the income poverty line of $7.40 per day, and to provide universal public healthcare for every person in the global South at a standard equivalent to that in Costa Rica, would require about $10 trillion.45 That’s a significant sum, on the face of it. But notice that it’s only half of the annual income of the richest 1%. In other words, if we were to shift $10 trillion of excess annual income from the richest 1% to the global poor, we could end poverty in a stroke, and boost life expectancy in the global South
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