Number of living US presidents over time

by

via J-L-Picard:

Sources:

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https://historyinpieces.com/research/presidential-inauguration-dates

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https://en.wikipedia.org/wiki/List_of_Presidents_of_the_United_States_by_date_of_death

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Made on MS Excel 365

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Inspired by: https://xkcd.com/893/