Germany and Denmark are two of 27 member countries in the European Union. The EU was formed in 1993. The population of the EU is 448 million, 5.8% of the world population, and higher than the 335 million for the USA. Has one-sixth of the world GDP. With GDP of $19.3 trillion, the EU is #2 to the U.S. with $28 trillion, and ahead of China with $18.6 trillion.   Where will the EU be in 2028? They share boundaries, have a common economy and a unified political leadership.  I remember a long time ago picking up a car in Sweden and driving to Italy.  Crossing into a new country was painful.  Not anymore. Noteworthy for not being a member are Norway (something to do with fishing resources) and Switzerland ( it's complicated, but has to do with historical independence ). Also not a member are Turkey, Liechtenstein and Iceland. Of course, the United Kingdom experienced Brexit in 2020. Potential new members are:  Albania, Montenegro, North Macedonia, Serbia and Turkey. A complication is wh