Across Western countries, about 8% of all married heterosexual couples can be classified as having a large age gap (ten years or more). These generally involve older men partnered with younger women. About 1% of age-gap couples involve an older woman partnered with a younger man.

What counts as a large age gap?

Across Western countries, about 8 per cent of all married heterosexual couples can be classified as having a large age gap (10 years or more). These generally involve older men partnered with younger women. About 1 per cent of age-gap couples involve an older woman partnered with a younger man.