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It's not the best time to be anything else in the planet, though. Your "best time ever to be human" coincides with:
The largest mass extinction in 64 million years; dwindling populations precisely were people are better instructed, and nurture more democratic and environmental values; soaring crime rates elsewhere; a boom on depression and other mental ilnesses; and lower growth than anytime in the last 100 years; slower technological progress, despite popular belief (held as such even by someone like Elon Musk); an increase on genetic diseases; top soil degradation; and possibly the end of antibiotics in the coming decades.
Not to mention the "democracy" graph seems misleading. By 1900 almost every country in Europe was a constitutional monarchy, and Europe had over a third of the world's population by then. I would wager the average citizen felt better represented than many people today at certain south american or african countries that might be deemed "democracies" on that graph.
