The number of countries in the world does not change ... of the newest countries on the map, with one of the newest only ...

Maps of different countries can be put together ... This one shows all the countries of the world, almost 200, including the UK. It shows all seven continents, Europe, Africa, North America ...

This makes some countries appear bigger than they are, compared to others, and the shape of land masses is changed slightly. The world has seven continents and five oceans. Europe is a continent.