Most people have given up any hope of being able to live off their state pension alone. However, regularly investing money in shares is a good way to build up your savings. What is more, entire stock market indices, such as the DAX, MSCI Europe or CAC40, could be in the hands of the working population if they made regular investments. Hans-Jörg Naumer, Head of Capital Markets at Allianz Global Investors, on more sustainable income in old age, and the power of a savings plan.