The findings represent a dramatic twist in the battle of the sexes, as in the past 100 years of IQ testing, women have lagged behind men by as much as five points.

But now the gap has closed and females have stolen the lead.

The results have been published by James Flynn, a world-renowned expert in IQ testing, who believes the demands of the modern age are raising standards of intelligence.

He said: "In the last 100 years the IQ scores of both men and women have risen, but women’s have risen faster.

"This is a consequence of modernity. The complexity of the modern world is making our brains adapt and raising our IQ." Read more at The Telegraph.