FACTBOX-How the European Union changed in 60 years

The European Union is celebrating its 60th anniversary on Saturday seeking to demonstrate that the EU can survive the impending departure of major power Britain.

Below is a comparison of some statistics of the starting point when six countries signed in 1957 the Rome Treaty creating the European Economic Community -- the predecessor of today's European Union -- and the bloc now, but before Britain leaves. EUROPEAN UNION

Rome Treaty Now Number of countries 6 28 Number of citizens around 163 million around 510 million Area in square km 1.3 million 4.5 million Official languages 4 24 GDP per capita* $10,065 $35,079

* Data from Trading Economics, data for the Rome Treaty is from 1960.

(This article has not been edited by DNA's editorial team and is auto-generated from an agency feed.)