President-elect Donald Trump is signaling to NATO member-states that they must spend 5 percent of their GDP annually on ...

there are 44 countries in Europe, of which 27 are members of the European Union. The EU has the world’s third-largest economy by gross domestic product, or GDP, and purchasing power parity.

Gross domestic product, or GDP, is a measure of a country's economic output over a certain time period—usually a year. GDP is looked to as a primary indicator of a country's economic health.

One of the most common is GDP, which stands for gross domestic product. It is often cited in newspapers ... those that are bought by the final user—produced in a country in a given period of time (say ...

Germany should commit to increasing its defence spending to a sum equivalent to 3% of gross domestic product, the chief ...