Why 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 live longer than men? And كيفية إقامة علاقة بالصور [glorynote.com] how the advantage has grown in the past? The evidence isn't conclusive and we have only incomplete answers. We know there are biological, behavioral as well as environmental factors that play an integral role in women living longer than males, we aren't sure how much each factor كيفية إقامة علاقة بالصور contributes.
In spite of the amount of weight, we are aware that at least part of the reason why women live longer than men in the present however not as in the past, is to relate to the fact that certain fundamental non-biological factors have changed. These variables are evolving. 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, 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 above the diagonal parity line , it means that in all nations baby girls can expect to live for longer than a new boy.1
The chart below shows that although women have an advantage everywhere, cross-country differences could be significant. In Russia women have a longer life span than men; in Bhutan the difference is less than half one year.
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In rich countries the women's advantage in longevity was smaller
We will now examine how the gender advantage in longevity has changed with time. The next chart shows male and female life expectancies when they were born in the US between 1790 and 2014. Two areas stand out.
First, there is an upward trend. Women and men in the United States live longer than they did a century 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 life expectancy was tiny but it has risen significantly over time.
By selecting 'Change Country from the chart, you are able to determine if these two points are applicable to the other countries having available information: Sweden, France and the UK.