This Staff Discussion Note looks at the stark fiscal challenges posed by the decline and aging of populations between now and 2100. It finds that without reforms, pensions and health spending would rise to 25 percent of GDP by end-century in more developed countries (and 16 percent of GDP in...

Energy subsidies are pervasive. Pretax subsidies, which arise when energy consumers pay less than the supply cost of energy, are high in many developing and emerging economies. Although pretax subsidies are not prevalent in advanced economies, they have large tax subsidies. These arise when...

The formal launch of the Sustainable Development Goals (SDGs) sets the global development agenda through 2030, placing significant emphasis on promoting social and environmental sustainability alongside economic growth and poverty reduction. Meeting the SDGs will require actions across a wide...