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?

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

What's Next for China's Fifth Generation Fighter Jet? – The Diplomat

Russia launches serial production of Su-57 fifth-generation fighter jet - Military & Defense - TASS

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

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

Fifth-Generation Air Combat

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

What does it actually mean when we say 'fifth-generation' fighter?

All about India's Indigenous Fifth-Gen Fighter Jet AMCA - Civilsdaily

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