Their spouses survived even longer, reaching an average age of 83.5 years. And this will continue to rise with each day that Queen Elizabeth II-currently age 95-lives. monarchs from Queen Victoria onward have lived an average of 75 years. presidents-they also tend to live decades longer than the general population they serve. ”Īs a professor of epidemiology and biostatistics, I had previously observed the exact same phenomenon among U.S. “Being born into or living in poverty has been shown to be one of the most important factors that shortens lifespan-and it is here that perhaps the royals have the greatest advantage.