All other "superpowers" are actually regional powers and should be their own category, such as: Germany, Russia, France, India, Saudi Arabia.
US-SSR wrote:1. USA for the moment. We're slipping fast and unless something is done soon we will not be #1 by, say, 2025.
2. with a bullet, China
3. Russia
4. the EU + the UK if it leaves.
also-rans, regional powers with nukes e.g. India, Pakistan, Israel, DPRK
The EU is not a country. I don't think it's fair to take it into account here.