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 have a longer life span than men? What is the reason has this advantage gotten larger as time passes? We only have partial evidence and the evidence is not sufficient to draw an informed conclusion. We know that behavioral, كيفية إقامة علاقة بالصور - glorynote.com`s recent blog post - biological and environmental factors all play a role in the fact that women are healthier than men; However, we're not sure what the contribution of each of these factors is.

We know that women live longer than men, regardless of their weight. However it is not because of certain non-biological aspects have changed. What are these changing factors? Some are well known and relatively straightforward, like the fact that men smoke more often. Some are more complex. 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, كيفية إقامة علاقة بالصور 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 line of parity diagonally. This implies that a baby girl in every country can expect to live longer than her brother.

This graph shows that even though women enjoy an advantage in all countries, the differences across countries could be significant. In Russia women are 10 years older than men, while in Bhutan the gap is less than half each year.

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In countries with high incomes, the women's advantage in longevity was smaller
Let's look at the way that female advantages in terms of longevity has changed over time. The next chart plots male and female life expectancies at birth in the US during the time period between 1790 and 2014. Two distinct features stand out.

First, there is an upward trend. as well as women in the US are living much, much longer than they did 100 years ago. This is in line with historical increases in life expectancy everywhere in the world.

And second, there is a widening gap: The female advantage in life expectancy used be very small but it increased substantially during the last century.

You can confirm that these points are also applicable to other countries that have data by clicking on the "Change country" option in the chart. This includes the UK, France, and Sweden.