What is a fifth-generation fighter aircraft?

Any conversation about Australia
Any conversation about Australia's commitment to the F-35 Joint Strike Fighter refers to it as a fifth-generation fighter aircraft. But what exactly is a fifth-generation aircraft, and why is it important?

Explained: Shenyang J-31 & 5th Generation Fighter Aircrafts

The F-35 JSF: what is a fifth-generation fighter aircraft?

India gearing up for ambitious fifth-generation stealth fighter project

Comparison of 5th generation fighter. [1157 × 1361] : r/WarplanePorn

tilstrækkelig Havanemone Sovereign 5 generation fighter jet overskud ønskelig bibliotekar

Russia's Rostec is developing new fifth-gen light fighter jet - Blog Before Flight - Aerospace and Defense News

tilstrækkelig Havanemone Sovereign 5 generation fighter jet overskud ønskelig bibliotekar

List of all Fifth Generation Fighters in the World

Japan Needs More Fifth-Generation Jets

5th Generation Fighters; Beyond Lockheed Martin - Asian Military Review

Fifth generation fighter jets - A Chinese, Russian, Indian and US arms race.

Europe Is Skipping a Fifth Generation Fighter Aircraft and Goes Straight for the Sixth - autoevolution

5th generation fighter hi-res stock photography and images - Alamy

Deciphering the Truth Behind Chengdu J20 Capabilities with Fifth Generation Comparative Aircraft