On the source there is a table with the percentages, so the creator of the map had that data but they choose to display this nonsense instead:

visualcapitalist.com/mapped-how-europes-populatio…

I love that people are beginning to review cartographic methods, I distrust (and love) cartographers.

No kidding. That’s like half of Lithuania.

There is a joke they say sometimes, something along the lines of “ok but just remember if you’re the last to leave remember to turn off the lights”