Jami` at-Tirmidhi 2331
جامع الترمذي#2331SahihAbu Hurairah narrated that the Messenger of Allah (s.a.w) said:"The lifespan for my Ummah is from sixty years to seventy [years]
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirHasan Sahih
Al-AlbaniHasan Sahih
Bashar Awad MaaroufHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 36:28