There are three countries currently that claim to have produced 5th Generation stealth fighters: the United States ( the Lockheed Martin F-22 Raptor and F-35 Lightning II), the People’s Republic of China (the Chengdu J-20 Mighty Dragon and Shenyang J-35), and Russia (the Sukhoi Su-57 (NATO reporting name Felon).
As of early 2026, Russia’s entire fleet of fifth-generation stealth fighters, the Su-57 Felon, is estimated at 20-25 operational aircraft, including prototypes and test airframes.
Su-57 Felon Fighter from Russia. Image Credit: Creative Commons.