Everywhere in the world women live longer than men - but this was not always the case. The available data from rich countries shows that women didn't live longer than men in the 19th century. Why do women live much longer than men today and how has this advantage increased in the past? We have only a small amount of evidence and the evidence is not sufficient to support a definitive conclusion.

Everywhere in the world women live longer than men - but this was not always the case. The available data from rich countries shows that women didn't live longer than men in the 19th century. What makes women live longer than men in the present and why does this benefit increase in the past? The evidence isn't conclusive and we only have partial answers. Although we know that there are biological, psychological, and environmental factors which play a significant role in women's longevity more than males, it isn't clear how much each factor contributes.

Everywhere in the world women live longer than men - but this was not always the case. The available data from rich countries shows that women didn't live longer than men in the 19th century. What's the main reason women have a longer life span than men? And why is this difference growing as time passes? The evidence isn't conclusive and we're only able to provide limited solutions.

Everywhere in the world women live longer than men - but this was not always the case. The available data from rich countries shows that women didn't live longer than men in the 19th century. Why do women live longer than men and why does this benefit increase in the past? There isn't much evidence and we're left with only partial answers. Although we know that there are biological, psychological, and environmental factors which play a significant role in the longevity of women over males, it isn't clear how much each one contributes.