But that's precisely because percentages are what matter, right? The Black Death wiped out a big chunk of Europe at the time (25% plus). While the Spanish Flu k

But that's precisely because percentages are what matter, right? The Black Death wiped out a big chunk of Europe at the time (25% plus). While the Spanish Flu killed 100M people, the world simply was much larger 600 years later. Only Samoa was as badly hit (in percentage terms) by the flu as all of Europe was by the plague. Lots of people got sick, and it was a worldwide pandemic, but the black death was much more deadly.