So, how long do elves get to live in The Lord of the Rings? Elves in The Lord of the Rings are immortal beings. That means that, no matter how long they live, they will never die of old age. As such, their lifespan is indefinite as they will never die due to the passage of time. The only way for an elf to die is through injuries or illnesses.. Ok, so hear me out. A human generation is typically 20-30 years because that is the average time frame in which parents will have children, A family of humans, living for 75-100 years tends to have on average 1-3 children. But what about elves. Elves reach physical maturity at the same rate as humans but don't reach "adulthood" until they are 100 years of age, and they live for 750 years on.
The Lord of the Rings has many unique species that can live for longer than humans. But how long can Elves live in Tolkien's universe?. Owing to their longevity, the Elves had a very different Life cycle than Men. Most of the following information strictly refers only to the Eldar—but much could.