Why Do Women Live Longer Than Men

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? What is the reason does this benefit increase in the past? There is only limited evidence and the evidence is not strong enough to make a definitive conclusion. We know there are biological, psychological as well as environmental factors which all play a part in women's longevity more than males, ماذا يحدث بين الزوجين في الحمام بالصور we aren't sure how much each one contributes.

In spite of the precise weight, we know that a large portion of the reason women live so much longer than men however not as previously, is to relate to the fact that some key non-biological factors have changed. The factors changing are numerous. 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, so advances in medicine that reduced the long-term health burden from infectious diseases, especially for survivors, ماذا يحدث بين الزوجين في الحمام بالصور 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 every country is above the line of parity diagonally. This implies that a baby girl in every country can anticipate to live longer than her younger brother.

The chart below shows that while there is a female advantage everywhere, cross-country differences are often significant. In Russia women are 10 years older than men; in Bhutan the gap is less than half each year.

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In rich countries the longevity advantage for women was not as great.
We will now examine the way that female advantages in terms of longevity has changed over time. The following chart shows the men and women's life expectancies at birth in the US in the years 1790 to 2014. Two specific points stand out.

First, there is an upward trend. as well as women in the US are living much, much longer than they did a century ago. This is in line with historical increases in life expectancy everywhere in the world.

Second, the gap is getting wider: Although the female advantage in life expectancy used to be extremely small however, it has grown significantly over time.

If you select the option "Change country' on the chart, you are able to check that these two points also apply to the other countries having available data: Sweden, France and the UK.