If there is no big systemic shock like wars or disease or large terror events—the USA is going to on an economic tear —the scale of which the world has not seen in a long time.
Because we're the only major economy that's relatively "open".
The EU is stagnant. Their economy was bigger than the U.S. 20 years ago. Failed to keep pace.
China is communist.
India will continue to do better but they're still a third world country (with problems due to their caste system).