Examine individual changes

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 women live longer than men? Why the advantage has grown in the past? We have only a small amount of evidence and the evidence isn't strong enough to make an unambiguous conclusion. We recognize that biological, behavioral and environmental factors play a role in the fact that women live longer than men; however, we aren't sure how significant the impact of each one of these factors is.<br><br>In spite of the amount of weight, we are aware that at least a [https://search.usa.gov/search?affiliate=usagov&query=portion portion] of the reason why women live so much longer than men in the present but not previously, is to be due to the fact that a number of important non-biological aspects have changed. These are the factors that are changing. Some are well known and relatively straightforward, like the fact that men smoke more often. Certain 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, ended up raising women's longevity disproportionately.<br><br>Everywhere in the world women tend to live longer than men<br>The first chart below shows life expectancy at birth for men and women. As you can see, all countries are above the diagonal line of parity - this means that in all countries the [https://www.trainingzone.co.uk/search?search_api_views_fulltext=newborn%20girl newborn girl] is likely to live longer than a new boy.1<br><br>This chart shows that, although women have an advantage throughout the world, [https://glorynote.com/ افضل شامبو وبلسم] the differences between countries are often significant. In Russia women are 10 years older than men; in Bhutan the difference is less than half one year.<br><br>__S.17__<br>__S.19__<br>In rich countries the female advantage in longevity was smaller<br>Let's examine how the female advantage in life expectancy has changed over time. The next chart compares male and female life expectancy at birth in the US from 1790 to 2014. Two areas stand out.<br><br>First, there is an upward trend. Both men and women in the US live much, much longer today than a century ago. This is in line with historical increases in life expectancy everywhere in the world.<br><br>Second, the gap is widening: While the female advantage in life expectancy was once quite small, it has increased substantially with time.<br><br>It is possible to verify that these principles are also applicable to other countries with data by selecting the "Change country" option on the chart. This includes the UK, France, and Sweden.