This paper was prepared in support of Japan’s G20 Presidency. It takes stock of ongoing and projected population ageing across G20 economies and its far-reaching implications for economic growth, productivity, inequality within and between generations and the sustainability of public finances....

Using an overlapping generations model, two new indicators of public pension system sustainability are proposed: the pension space, which measures the capacity to pay for pension expenditures out of labour taxation, and the pension space exhaustion probability reflecting demographic...

The Croatian system of old-age provision comprises a traditional public pay-as-you-go scheme and a mandatory funded scheme ("second pillar") that will provide increasing amounts of supplementary pensions to those entering retirement in the future. Due to the continuing economic crisis, the...