Qualifying performance has long been the gold standard of the outright speed of a Formula 1 driver. The moniker 'fastest' has carried weight, even at times when speed doesn't translate into victory in the race.
The ban on refuelling ahead of last season brought to an end the era of drivers battling for pole position carrying the fuel load with which they would start the race. This has returned low-fuel one-lap specials to the forefront of F1, as has been the case for most of the history of the world championship.
AUTOSPORT takes a look at the most successful qualifiers in world championship history in terms of their ratio of pole positions to qualifying attempts.
For the purposes of the list below, the world championship-counting Indianapolis 500 races of 1950-60 are disregarded. The percentage figures listed are rounded up or down to the nearest whole number, except when decimal places are needed to separate drivers.