The centre-forward knows he is not guaranteed first- team action at St James' Park with Alan Pardew desperate to add two strikers to his squad this summer.
Ameobi said: "I have to get into this incredibly talented team, make sure I give my best, show my experience and make a significant contribution.
"I made my (Nigeria) debut at 31, now here I am and hopefully my experience will enable me to develop at this level.
"Every player is looking to play at the World Cup.
"I think we have every chance of qualifying - but we must fight and earn the right to be there."