What is the record for the highest number of days a cyclist has spent in the yellow jersey?

Explanation

The cyclist to have worn the yellow jersey for most days in the Tour de France is the Belgian Eddy Merckx, who spent a total of 111 days in the jersey. Lance Armstrong (USA) has had the jersey for 83 days, Bernard Hinault (France) for 79 days, Miguel Indurain (Spain) for 60 days and Jacques Anquetil (France) for 52 days.