When it comes to understanding the difference between the European Union (EU) and NATO, it is important to know that the EU is an economic and political union while NATO is a military alliance. The EU was established in 1993 with the Maastricht Treaty while NATO was established in 1949. The main difference between the two organizations is that the EU is focused on creating a single market for goods and services while NATO is focused on collective security.

The European Union is made up of 28 member states while NATO has 29 members. The EU has its own currency, the Euro, while NATO does not have a currency. The EU also has its own flag and anthem. The EU is headquartered in Brussels, Belgium while NATO is headquartered in Brussels, Belgium and has offices in several other countries.

The EU has a population of over 500 million while NATO has a population of over 1 billion. The EU has an area of 4.4 million square kilometers while NATO has an area of 31 million square kilometers. The EU has a gross domestic product (GDP) of $18.6 trillion while NATO has a GDP of $27.4 trillion.

The EU has a single market for goods and services while NATO does not have a single market. The EU has a customs union while NATO does not have a customs union. The EU has a common currency, the Euro, while NATO does not have a common currency. The EU has a common flag and anthem while NATO does not have a common flag or anthem.

The EU is headquartered in Brussels, Belgium while NATO is headquartered in Brussels, Belgium and has offices in several other countries. The EU has a president, a Council of Ministers, and a European Parliament while NATO has a Secretary General and a North Atlantic Council.

The main difference between the EU and NATO is that the EU is focused on creating a single market for goods and services while NATO is focused on collective security.