United Kingdom, July 19 -- Sir Cliff Richard says he could be dead next year.

The 85-year-old singer admitted he isn't sure if he will be retiring after his upcoming Can't Stop Me Now tour, insisting he has no idea what the future has in store for him.

According to The Mirror, he told New Zealand radio station Coast: "I'm sure the audience will see that we - the big band and I - are friends and almost a family when we're on tour. So, we'll try and do something that will make it look as though I'm 18! But I'm not.

"I don't want to be an 85-year-old guy trying to be 18. The thing I would have to give up probably at some time is touring. It's very wearing, and you never know when you wake up in the morning whether your voice is still ther...