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. Why do women live more than men do today, and why has this advantage increased in the past? We have only a small amount of evidence and the evidence isn't sufficient to draw a definitive conclusion. Although we know that there are biological, psychological as well as environmental factors which all play a part in the longevity of women over males, افضل كريم للشعر (glorynote.com official website) we aren't sure the extent to which each factor plays a role.

We know that women live longer than males, regardless of weight. However this isn't due to the fact that certain biological or non-biological factors have changed. What are these new factors? Some are well known and relatively straightforward, like the fact that men smoke more often. There are others that are more intricate. 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, افضل كريم للشعر 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. We can see that every country is over the diagonal line of parity. This means that a newborn girl from any country can expect to live longer than her brother.

It is interesting to note that the advantage of women exists in all countries, global differences are significant. In Russia women live for 10 years longer than males. In Bhutan the gap is only half a year.

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In the richer countries, the women's advantage in longevity was not as great.
Let's look at how female longevity advantage has changed in the course of time. The following chart shows the male and female life expectancies at the birth in the US from 1790-2014. Two distinct features stand out.

There is an upward trend: Men and women in the US have a much longer life span longer than they did 100 years ago. This is in line with historical increases in life expectancy everywhere in the world.

There is an ever-widening gap: female advantage in life expectancy used be extremely small however it increased dramatically during the last century.

By selecting 'Change Country' on the chart, you are able to verify that these two points are applicable to other countries that have available information: Sweden, France and the UK.