Is love really blind, or are our romantic decisions simply driven by signals we barely pay attention to?

New international research indicates that one simple physical trait – height – may have a greater impact on attractiveness than most people realize.

By analyzing data from four different countries, the researchers found patterns that challenge common beliefs about how we choose partners, pointing to hidden evolutionary and social influences that continue to shape modern relationships.

The study, published in the journal Frontiers in Psychology, looked at the role of growth in partner preferences. The researchers studied 536 people from Canada, Cuba, Norway, and the United States, focusing on both short-term dating and long-term relationship choices.

Participants were shown simple illustrations of men and women of different heights and asked to indicate those who seemed most attractive to them for both casual meetings and permanent partnerships.

Across all cultures, age groups, and demographics, there was a clear pattern: men tended to prefer women who were slightly shorter than average height, while women preferred men who were slightly taller than average height.

On average, men chose women with a height of about 2.5 centimeters shorter than the national average for women. Women, on the other hand, chose men about 2.3 centimeters taller than the national average for men.

The consistency of these preferences across countries indicates that the drive for growth may have its roots in long-term biological and social influences, rather than in passing cultural fashions.

From an evolutionary and psychological point of view, men’s preference for shorter women may be unconsciously related to characteristics such as femininity, youth, or perceived compatibility.