Sting's wealth was estimated at £180 million by the Sunday Times Rich List.
The British star has two children, Joseph, 37, and Fuchsia, 32, with ex-wife Frances Tomelty, and four children, Brigitte, 30, Jake, 29, Elliot, 23, and 18-year-old Giacomo, with Trudie.
He added: "They have to work. All my kids know that and they rarely ask me for anything, which I appreciate. Obviously, if they were in trouble I would help them, but I've never really had to do that. They have this work ethic that makes them want to succeed on their own merit."
Sting performed in pubs for £10 a night before finding fame, but he believes the experience added "a resilience and a toughness" to his work ethic.
He said: "If it had all been handed to me on a plate, I'm not sure I would appreciate it or have survived."
- AP with Bang! Showbiz