The population of Europe is 739,165,000 - that's roughly one tenth of the world's population as a whole. The continent contains more than 60 cities with over 1 million residents, the largest of these being Moscow, with more than 15 million inhabitants. Istanbul is second largest (13.6 million) and London third (12.5 million).
The growth of population in Europe is slowing down though and, perhaps because of this, the average age of the population is increasing. In 2005, 9 of the 10 countries in the world with the highest average age were European. Only one country - Japan - had an older population.
All of these people - nearly 3/4 of a billion, old and young alike - live in over 50 countries, principalities and territories, each with their own flag. This quiz is about just ten of those.
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