Belgium’s population is ageing, albeit a little less quickly than the OECD average. Growing numbers of baby boomers will retire from around the end of the current decade. This will reduce economic growth mainly through lower growth in the labour supply and will put pressure on public finances for decades to come. While progress has been made in implementing policies to minimise the costs of this demographic shock, notably by a substantial reduction of public debt, the few years left before large numbers of baby boomers retire provide a window of opportunity to go further in implementing such policies and thereby preserving the essential elements of the system of social protection....