Of the McGiffins whose literacy was recorded, 83.6% could both read and write, 3% could read but not write, and 13.4% could do neither. Men came out slightly ahead, 89.7% reading and writing against 78.9% of women. Bear in mind these figures include young children; the census itself only counted people aged nine and over when calculating illiteracy, on the grounds that it was unfair to label a child illiterate before they'd had a chance to learn.