million people countries with between million and billion peopleand two outlier countries with over billion this seems like an even enough split for an informative map figure - shows the resulting map figure - the world' population shown in three different groups now three different colors help us see the distinctions between population levels within each of the three levelscountries are shaded from light to dark for smallest to largest population styling world maps in pygal although the population groups in our map are effectivethe default color settings are pretty uglyfor examplehere pygal has chosen garish pink and green motif we'll use pygal' styling directives to rectify the colors let' direct pygal to use one base color againbut this time we'll choose the color and apply more distinct shading for the three population groupsworld_ population py import json import pygal from pygal style import rotatestyle --snip-group the countries into population levels cc_pops_ cc_pops_ cc_pops_ {}{}{