A unifying framework for the study of population aging Warren Sanderson and Sergei Scherbov Towards a reconceptualising of population ageing in emerging markets Stuart Gietel-Basten, Sergei Scherbov and Warren Sanderson Population ageing dynamics in the North Atlantic region of the Arctic Anastasia Emelyanova and Arja Rautio Certain characteristics of population ageing using a prospective approach: Serbia as a case study Jelena Stojilkovic Gnjatovic and Mirjana Devedzic The impact of physical health on the postponement of retirement Michael Boissonneault and Joop de Beer Adjusting prospective old-age thresholds by health status: empirical findings and implications. A case study of Italy Elena Demuru and Viviana Egidi Measuring dependency ratios using National Transfer Accounts Mikkel Christoffer Barslund and Marten von Werder Subjective survival expectations and observed survival: How consistent are they? Alberto Palloni and Beatriz Novak Time-to-death patterns in markers of age and dependency Tim Riffe, Pil H. Chung, Jeroen Spijker and John MacInnes A cross-national comparison of 12 biomarkers finds no universal biomarkers of aging among individuals aged 60 and older David H. Rehkopf, Luis Rosero-Bixby and William H. Dowweiterlesen