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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 have these advantages gotten bigger over time? We only have partial evidence and the evidence is not sufficient to draw an unambiguous conclusion. We know there are biological, psychological and environmental factors that all play a role in women living longer than men, we do not know how much each one contributes.

We have learned that women live longer than men, regardless of weight. But it is not due to the fact that certain biological factors have changed. These variables are evolving. Some are well known and relatively straightforward, like the fact that men smoke more often. Other are more complicated. For example, there is evidence that in rich countries the female advantage increased in part because infectious diseases used to affect women disproportionately a century ago, Www.xxxsex.asia/seize.xhtml?e=aHR0cHM6Ly9HbG9yeW5vdGUuY29t - Read the Full Content - so advances in medicine that reduced the long-term health burden from infectious diseases, especially for survivors, ended up raising women's longevity disproportionately.

Everywhere in the world women tend to live longer than men
The first chart below shows life expectancy at birth for men and women. As you can see, every country is above the diagonal line of parity - this means in all countries a newborn girl can expect to live longer than a new boy.1

It is interesting to note that, while the advantage for women is present everywhere, global differences are significant. In Russia, women live 10 years more than men. In Bhutan there is a difference of only half a year.

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The advantage women had in life expectancy was smaller in developed countries than it is now.
We will now examine how the gender advantage in life expectancy has changed over time. The chart below shows male and female life expectancies at the time of birth in the US between 1790 to 2014. Two things stand out.

There is an upward trend. Both genders in the United States live longer than they used to 100 years ago. This is in line with historical increases in life expectancy everywhere in the world.

The gap is growing: Although the advantage of women in terms of life expectancy was extremely small It has significantly increased in the past.

By selecting 'Change Country from the chart, you will be able to confirm that the two points apply to other countries that have available data: Sweden, France and the UK.