A couple of points...
Of those, the average time to regain top-flight status is three seasons - although nearly half (21 out of 46) achieved an immediate return to the Premier League.
Other teams to have suffered long waits before bouncing back include Sheffield United (12 seasons), Leicester City (10), Norwich (nine), Crystal Palace, Watford (both eight), Middlesbrough and Southampton (both seven)
However, 36 per cent of relegated teams (26 out of 72) have failed to grace England's top flight since, with Oldham and Swindon both being absent for 23 full seasons since their relegation in 1993/94