"Gender differences in mortality and life expectancy vary by country. But in most countries, men live shorter lives than women. In Russia, for instance, the difference between male and female life expectancy is 13 years (59 vs. 72). In other countries, such as the United States, the male disadvantage is smaller: 5 years (75 vs. 80). And in some countries, such as Afghanistan, there is little or no male disadvantage (42 vs. 42)..." (By Sandra Yin, Population Reference Bureau (PRB), November 2007
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