> If someone is a tricenarian, which characteristic do they have?And the answer: their age is between 29 and 40.Someone who is in their thirties, from age 30 to 39, is known as a tricenarian.Similarly, someone in their 80s is an octagenarian, and someone who has reachedtheir 100th birthday is a centenarian.Photo credit: DJEDZURA / GETTY IMAGES.While stories of one's thirties run thegamut from the onset of slower metabolism to the pressures that often accompanyhaving a young family, tricenarians are actually well-positioned for some oflife's greatest experiences. According to recent CDC data, more women arephysically and financially prepared for childbirth in their thirties than everbefore, while endurance for sports and other physically intensive activities forall genders reach their peak. In fact, women aged 37 and men aged 39 are mostlikely to finish in the top ten[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3654294/#b8-cln_68p605] ofmarathons, according to a study that examined performance over 13 years.Additionally, while it's true that the brain begins to lose neurons during thisdecade, recent science has proved that our brains do not truly reach adulthooduntil age 30. At a meeting of the Academy of Medical Sciences in Oxford inLondon [https://acmedsci.ac.uk/more/events?type=past&cat=], researchersexplained that our brains slowly transition to adulthood, which is finallyreached in our 30s. As such, mental tasks like chess or other mind puzzles aremore accessible during this age than in other decades of life. As if that wasn't enough, average household earnings for those in their thirtiesgrow significantly from the previous decade. It is within this time period thatearnings, coupled with job security, begin to accumulate, according to theBureau of Labor Statistics. It isn't until one's late forties that earningsbegin to level out [https://smartasset.com/retirement/the-average-salary-by-age]. Check out this[https://www.flashpack.com/us/wellness/amazing-things-happen-your-30s-science/] article for more perks of becoming a tricenarian.