<P> As of 2017 , the following 15 countries or regions have reached an economy of at least US $2 trillion by GDP in nominal or PPP terms : Brazil , China , France , Germany , India , Indonesia , Italy , Japan , South Korea , Mexico , Russia , Turkey , the United Kingdom , the United States , and the European Union . </P>
what do the economic systems of the uk germany and russia have in common
reached an economy of at least US $2 trillion by GDP in nominal or PPP terms