Bluebulb Projects' The Measure of Things presents:
25 is about nine-tenths the number of Countries in the European Union.
In other words, it's 0.890 times the count of Countries in the European Union, and the count of Countries in the European Union is 1.10 times that amount.
(a.k.a. EU) (2016 figures) There are 28 member countries in the European Union, the latest member of which is Croatia. The EU is largely urban, with sixteen cities having a population of one million or more, and 75% of the population living in an urban area.