U2 have retained their number 6 spot in The Sunday Times Music Millionaires Top 50.

The Annual rich list also notes Mullingar's Niall Horan at number 4 among the richest musicians under 30.

U2 have retain the number six spot in the top 50 Music Millionaires with an estimated value of €516 million - that's down €111 million since last year but still puts Bono and Co. at 19 in the overall rich list.

Another Irish face in the top 50 is Enya, worth €106 million, that's up one million since last year making the Donegal native the 104th richest person in Ireland.

Simon Cowell also made the top ten at number 8 - he's worth €361 million.

In at number one and worth twelve billion, forty-eight million is Len Bla-vat-nik, a Ukrainian-born American businessman who made his fortune through his company Access Industries. In July 2011 an Access affiliate acquired Warner Music Group.

Over on the richest musicians under 30 list, Mullingar's Niall Horan and his One Direction bandmates share 4th place worth €17 million each, that's a significant increase on last year's figure going up by €11 million.

Adele tops the youth chart on €54 million.

The full Sunday Times Rich list will be published in The Sunday Times Magazine this weekend.