Globally the average age gap is around 5-10 years. Western countries are outliers in having smaller age gaps around 2-3 years. Most of the single mid 20s women

Globally the average age gap is around 5-10 years. Western countries are outliers in having smaller age gaps around 2-3 years. Most of the single mid 20s women I know in the UK wouldn't openly speak about it, but in private they'd prefer a partner 5-10 years older. Obviously there is a sampling bias there. I think the difference is mostly explained by people of equal age meeting at school, University, etc bringing the average down. Purely conjecture though.