Demographic Dynamics and Development. Yves Charbit. Читать онлайн. Newlib. NEWLIB.NET

Автор: Yves Charbit
Издательство: John Wiley & Sons Limited
Серия:
Жанр произведения: Социология
Год издания: 0
isbn: 9781119902843
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      SCIENCES

      Geography and Demography, Field Director – Denise Pumain

      Demography, Subject Head – Brigitte Baccaïni

      Demographic Dynamics and Development

       Coordinated by

      Yves Charbit

      First published 2022 in Great Britain and the United States by ISTE Ltd and John Wiley & Sons, Inc.

      Apart from any fair dealing for the purposes of research or private study, or criticism or review, as permitted under the Copyright, Designs and Patents Act 1988, this publication may only be reproduced, stored or transmitted, in any form or by any means, with the prior permission in writing of the publishers, or in the case of reprographic reproduction in accordance with the terms and licenses issued by the CLA. Enquiries concerning reproduction outside these terms should be sent to the publishers at the undermentioned address:

      ISTE Ltd

      27-37 St George’s Road

      London SW19 4EU

      UK

       www.iste.co.uk

      John Wiley & Sons, Inc.

      111 River Street

      Hoboken, NJ 07030

      USA

       www.wiley.com

      © ISTE Ltd 2022

      The rights of Yves Charbit to be identified as the author of this work have been asserted by him in accordance with the Copyright, Designs and Patents Act 1988.

      Library of Congress Control Number: 2021947914

      British Library Cataloguing-in-Publication Data

      A CIP record for this book is available from the British Library

      ISBN 978-1-78945-050-7

      ERC code:

      LS8 Ecology, Evolution and Environmental Biology

       LS8_3 Population biology, population dynamics, population genetics

      SH1 Individuals, Markets and Organisations

       SH1_3 Development economics, health economics, education economics

      SH3 The Social World, Diversity, Population

       SH3_8 Population dynamics; households, family and fertility

      Introduction

      Demographic Dynamics

       Yves CHARBIT

       CEPED, University of Paris, France

      Demographic dynamics come down to a fundamental equation. Every year the growth or decline of a given population (P) is reduced to the interaction of four variables:

      (2020 Total population) = (2019 Total population) + (2019 births) –

      (2019 deaths) + (2019 immigration) – (2019 emigration)

      From this, three simple definitions follow:

       – the difference between births and deaths in a year is the natural increase (natural surplus or natural deficit);

       – the difference between immigration and emigration is the net migration (which can be either positive or negative). From the point of view of demographic dynamics stricto sensu, international migrations are much less important than births and deaths;

       – the total growth rate is the sum of the two indicators (natural increase and net migration), divided by the population