The 34-year-old has been first choice at Goodison Park since he signed for the club from Manchester United back in 2006 and has never had any serious threat to his place on the team sheet.
|14/1||Everton are 14/1 with Paddy Power to finish in the top four
"In order to go on and achieve great things as a club, you need to have quality in numbers," Howard told the club's official website.
"I think that's part and parcel of football nowadays.
"I don't think anyone's fearful of competition, I don't think there are any issues. You just get on with your job.
"I think if you have anything about you, you know your best is good enough.
"You put forward the effort and I don't think that has ever been a problem here."
Howard has made 310 appearances in his Everton career so far, and conceded just 39 goals in 36 Premier League games last season, keeping 10 clean sheets.