Wow, I’ve suspected this for quite some time, but I didn’t see stronger verification until now: In the old days, people didn’t really know exactly how old they were because they didn’t create accurate birth certificates. But, it goes further than that. Most people who claim to live to the age of 110 are probably making false claims, sometimes even fraudulent ones.
20190811/https://www.vox.com/2019/8/8/20758813/secrets-ultra-elderly-supercentenarians-fraud-error