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A strong understanding of demographic structure and population dynamics is essential to effective planning and decision making for the future. This volume presents contributions from a number of experts in population geography and demography, presented to honour Professor Rees´s retirement.

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Although the human population growth rate of the world has been declining since peaking in the early 1960s, the populations of individual countries are changing at different rates. Population dynamics at national level are partly determined by levels of fertility and mortality, but the impact of international migration is playing an increasingly important role. Moreover, internal migration plays a major part in population change at the sub-national level.

This fourth volume in the series "Understanding Population Trends and Processes" is a celebration of the work of Professor Philip Rees. It contains chapters by contributors who have collaborated with Phil Rees on research or consultancy projects or as postgraduate students. Several chapters demonstrate the technical nature of population projection modelling and simulation methods while others illustrate issues relating to data availability and estimation. This book demonstrates the application of theoretical and modelling methods and addresses key issues relating to contemporary demographic patterns and trends.

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Preface John Stillwell and Martin Clarke 1: The Dynamics of Populations Large and Small: Processes, Models and Futures Philip Rees 2: Population Accounts Frans Willekens 3: MULTIPOLES: A Revised Multiregional Model for Improved Capture of International Migration Marek Kupiszewski and Dorota Kupiszewska 4: Modelling with NEWDSS: Producing State, Regional and Local Area Population Projections for New South Wales Tom Wilson 5: Relationships Between UK Sub-national Trends in Infant Mortality and Fertility Paul Norman 6: Monitoring Who Moves Where: Information Systems for Internal and International Migration John Stillwell, Peter Boden and Adam Dennett 7: Comparing Internal Migration Between Countries Using Courgeau´s k Martin Bell and Salut Muhidin 8: Increasing Longevity and the Economic Value of Healthy Ageing and Working Longer Les Mayhew 9: Spatial Microsimulation Models: A Review and A Glimpse into the Future Mark Birkin and Martin Clarke 10: Tracking the Evolution of the Populations of a System of Cities Alan Wilson and Joel Dearden Index

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