This map shows the percentage of the population aged 0-17 years. In order to be able to identify differences within countries, the map shows the differences at a regional level.
Source: Eurostat
Are you surprised how many or how few children there are in a region in Europe?
I did not see % and was surprised by the amount of 18+ 17 year olds.
Yes, it would be clearer if the % was after each category in the legend.