Countries that produce full-cycle fighter jets
🇺🇸 USA

USA
The largest and most technologically advanced manufacturer.
Produces: F-16, F-15, F-22, F-35.
The US has the largest fleet of combat aircraft in the world—thousands of units.

🇨🇳 China

China
Is actively increasing production.
Produces: J-10, J-16, J-20 (fifth generation).
Is rapidly closing the gap with the US.

🇷🇺 Russia

Russia
Produces: Su-27, Su-30, Su-35, Su-57, MiG-29.
It has a large fleet, but lags behind the United States in terms of the number of modern aircraft.

🇫🇷 France

France
Produces the Rafale.
One of the few European countries with a completely indigenous development.

🇸🇪 Sweden

Sweden
Produces the JAS 39 Gripen.
A relatively small country, but with a developed aviation industry.

Countries with partial development or joint projects
🇬🇧 United Kingdom

United Kingdom
Participates in the F-35 and is developing the new Tempest project.

🇮🇳 India

India
Produces the Tejas light fighter, but many technologies are borrowed.

🇰🇷 South Korea

South Korea has developed the KF-21, a modern project with international participation.

Who has the most?

By total number of combat aircraft (including fighters):

The United States has the largest fleet in the world (over 2,000 fighters of various types).

China is growing rapidly and already has over 1,500 fighters.

Russia has approximately 900-1,000 units.

In terms of the most modern (5th generation):

The United States leads (F-22 and F-35).

China is actively increasing its J-20 fleet.

Russia produces the Su-57, but in smaller quantities.

Results

Only a few countries are capable of producing modern fighters entirely independently.
In terms of quantity and technological advancement, the United States remains the leader, but China is rapidly closing the gap.