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 reason why women are more likely to live longer than men? What is the reason has this advantage gotten larger as time passes? The evidence is sketchy and we only have some answers. We recognize that biological, behavioral and environmental factors all play a role in the fact that women live longer than men; However, we're not sure how much the influence of each factor is.

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 reason women live longer than men? Why is this difference growing as time passes? There is only limited evidence and the evidence is not strong enough to make an unambiguous 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 is the reason women live much longer than men today and why has this advantage increased in the past? We only have partial evidence and the evidence is not sufficient to draw an absolute 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's the reason why women are more likely to live longer than men? What is the reason is this difference growing in the past? There is only limited evidence and the evidence is not sufficient to support an unambiguous conclusion.