France had to be included in this list obviously. The capital of the country has been on the first spot when it comes to the most expensive cities in the world; that however is not the case now. For more update information you can check out the list on the most expensive cities. Officially known as the French Republic, it is a Unitary Semi-Presidential republic in the western part of Europe with Paris as the capital, Francois Hollande as the President and Jean-Marc Ayrault as the Prime Minister. It is home to around 65,350,000 people and a member of G8, G20 and NATO.