The pop veteran, aged 70, has the biggest-selling male celebrity calendar, according to figures from Amazon.co.uk.
Sir Cliff has been the all-time biggest seller for calendar maker Danilo with more than 1.5 million sold over the years.
Calendar star Sir Cliff is best seller
SIR CLIFF Richard is proving to be a hotter date than JLS, Justin Bieber and Michael Buble - as he outsells them in the calendar charts.