Many Western countries with an aging population consider reforms of their pay-as-you-go pension systems. In Sweden a new pension system has already been decided and implemented. This paper gives a brief background to the Swedish reforms in the 1990s and explains the structure of the new system.

This paper focuses on three issues. First, it analyses the increasing inequality of wealth in Sweden in terms of percentile age and birth cohort differences. Second, it discusses mobility of wealth as a function of age, length of the transition period, the magnitude of quantile differences, and...