The Friday File: At age 50, the average man can expect to live an additional 29.25 years, while the average woman can expect 30.5 more years of life. Wealth plays a huge role. Among the poorest 10%, life expectancy beyond 50 averages 24.2 years for men and 27.9 for women. Among the wealthiest 10%, it’s 34.9 for men (a full decade more than for the poorest) and 35.3 for women.