Although the importance of a supplementary pension has gradually become widely understood, the amount of the annual employer contribution is greatly overestimated. More than one employee in two (54%) has no idea what contribution their employer pays into this so-called second pillar. More and clearer communication becomes in this way an important attention point. This communication employees want above all digitally and via a single central platform. This is the lesson of a survey by Vlerick Business School and AG Insurance.