Not everyone who signed a letter asking for the rich to be taxed more heavily is mega wealthy.

The signatories described themselves as wealthy New Zealanders.

Tax Justice Spokesperson Glenn Barclay is one of them.

He says he's not extremely wealthy, but is still probably in the top 10 percent of income earners.

"If the tax system was a bit more fair, I might find myself paying more tax. And I'd be happy to do that."

LISTEN ABOVE

• Surprising twist in tax debate: Some of NZ's wealthiest support tax hikes for the rich
• 100 wealthy Kiwis call on govt to increase their taxes
• Heather du Plessis-Allan: Ignore the tax letter by these 'wealthy' Kiwis