The data we used to create these charts has been included with this gallery. All data has been cross-checked and verified. However we accept that there can be misrepresentations of biographical data, even in reputable sources, and we will endeavour to correct any errors that are brought to our notice Photograph: guardian.co.uk
60% of all Booker winners have been British. British nationals make up approximately 2.7% of the population of the Commonwealth, Ireland and Zimbabwe. Two of the three South African wins were JM Coetzee's. Two of the four Australian wins were by Peter Carey Photograph: guardian.co.uk
Seven per cent of UK children are currently educated in private schools. Elsewhere, the numbers in private education are 27% (India), 5.6% (Canada) and 2.8% (South Africa) Photograph: guardian.co.uk
Judges have been 56% privately-educated, 54% Oxbridge, 85% British and 99% white. Photograph: guardian.co.uk
The 12 winning or shortlisted authors who went on to become judges are Penelope Lively, Penelope Fitzgerald, Bernice Rubens and PH Newby (won the prize, then judged), Susan Hill, David Lodge, Tibor Fischer, Nicholas Moseley, Michele Roberts, Ann Schlee, Shena Mackay and Elizabeth Bowen (shortlisted and then judges) Photograph: guardian.co.uk
The last two winners, Julian Barnes and Howard Jacobson, both won with their 11th novels. These have been the only two occasions on which authors have won with 11th novels. Photograph: guardian.co.uk
Most common words (the, and, it, is, of, to etc) omitted Photograph: guardian.co.uk
