By doing so, the chances, based on past returns at least, were relatively high — generally 80 % to 90 % — that your savings will last at least 30 years. (realdealretirement.com)
Any individual stock can over - or under - perform and past returns do not predict future results. (cnbc.com)
They warn pension administrators to avoid using past returns to project future pension returns. (moneysense.ca)