Yeah, @zuspotirko here's a thought experiment: suppose Bitcoin becomes the world's reserve currency and it triggers a gold age of economic growth. Within a few decades almost no one lives on less (the equivalent of) $35k a year. Very few live on $100k a year. Almost everyone has a standard of living way beyond that.
What would this graph look like? The "High Income" area would fill 90%+ of the area.
There are a lot of struggles with the middle class standard of living these days, but this graph doesn't show it right.
A future where 90% of people earn 100k in 2020 constant Dollars sounds awesome. Don't you think a society where 90% earn the equivalent of 100k in 2020 should call 90% of people "High Income"? To repeat: we're talking 2020 constant Dollars here, not each years respective earnings and distribution.
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