The United States leads the world as the strongest economy, with a GDP exceeding $27 trillion. Its success is due to its technological innovation, robust financial market, and ability to attract global investment. China ranks second, with a GDP close to $20 trillion, standing out for its investment in infrastructure and digitalization.
When we talk about good economy generally, it is only the United States of America and China that has the most successful economy and top all the other countries in technological advancement. I don’t know if what you’d look into the grade this two countries and that which makes one of them ahead of the other is the correct metric to use to ascertain the country with the best economy, but when this two are compared, it just has to be and head to head battle between them before getting the country with the best economy in all ramifications.
These two definitely have the biggest economies on paper but there are also countries with great economies following them and if they collide maybe these other countries may come out on top. Japan and Germany are following US and China for greatest economies. It’s quite funny how these are also the same countries who were largely involved in the world wars. They have definitely maintained their status if it is about power and influence.