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Why women live longer than men?

Shawnee Kiley (2022-04-21)


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 live longer than men? Why does this benefit increase over time? There is only limited evidence and the evidence is not sufficient to support an absolute conclusion. While we are aware that there are biological, behavioral, and ماذا يحدث بين الزوجين في الحمام بالصور environmental factors which all play a part in women's longevity more than men, we do not know the extent to which each factor plays a role.

It is known that women are living longer than men, regardless of their weight. However this is not because of certain biological factors have changed. The factors changing are numerous. Some are well known and relatively straightforward, like the fact that men smoke more often. There are others that are more intricate. For example, ماذا يحدث بين الزوجين في الحمام بالصور there is evidence that in rich countries the female advantage increased in part because infectious diseases used to affect women disproportionately a century ago, 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. It is clear that all countries are over the diagonal line of parity. This implies that a baby girl in all countries can be expected to live for longer than her younger brother.

Interestingly, this chart shows that although the female advantage exists in all countries, difference between countries is huge. In Russia women live 10 years more than men. In Bhutan there is a difference of just half a year.

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The female advantage in life expectancy was smaller in rich countries than it is now.
We will now examine the way that female advantages in longevity has changed over time. The next chart shows male and female life expectancy when they were born in the US from 1790 to 2014. Two points stand out.

The first is that there is an upward trend. Both genders in America 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 increasing: While the advantage of women in life expectancy was once extremely small however, it has grown significantly over time.

By selecting 'Change Country from the chart, you will be able to verify that these two points are also applicable to the other countries with available data: Sweden, France and the UK.