A map of communes of Luxembourg after mergers in 2018, colour-coded by population. Population is denoted by eight different shades of blue; in order of increasingly darker shades, the lower bounds (in people) are: 0, 1000, 1500, 2000, 3000, 5000, 7500, 15000.
https://en.wikipedia.org/wiki/List_of_communes_of_Luxembourg_by_population#cite_note-1
Own work
Paul Braun