This book addresses systematically and quantitatively the role of educational attainment in global population trends and models. Six background chapters summarize past trends in fertility, mortality, migration, and education; examine relevant theories and identify key determining factors; and set the assumptions that are subsequently translated into alternative scenario projections to 2100. These assumptions derive from a global survey of hundreds of experts and five expert meetings on as many continents. Another chapter details their translation into multi-dimensional projections by age,...