I don't think that graphic you're thinking of shows "world GDP" so much as "the centre of gravity of GDP across the planet": These are two quite different things. In any case, you might have in mind a map by McKinsey…
I don't think that graphic you're thinking of shows "world GDP" so much as "the centre of gravity of GDP across the planet": These are two quite different things. In any case, you might have in mind a map by McKinsey…