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New York, New York, United Nations, Dept. for Economic and Social Information and Policy Analysis, Population Division, 1994 Aug.  p. (ST/ESA/SER.A/142)This wall chart tabulates data from the medium variant of the UN population estimates and projections as revised in 1994. Figures are given for the world as a whole and for more developed, less developed, and least developed areas. Data are also provided for regions and for individual countries within those regions. The mid-year population is shown in thousands for 1994, 2015, and 2050. Figures are then detailed for percentage annual growth rate, crude birth rate, crude death rate, total fertility rate, life expectancy at birth, and infant mortality rate for 1990-95. Age distribution (under age 15 years and 65 years or older) and density data are also provided for mid-1994. In addition to the main table, a listing is given of the 10 largest countries in 1994, and bar graphs show world population in millions for 1950-2050 as well as the average annual increase in millions for 1950-2050.
Baltimore, Maryland, Johns Hopkins University Press, 1990. lxxiii, 421 p.The World Bank's Population and Human Resources Department regularly publishes a set of world population projections based on its data files. This 1989-90 report has projections for the world and for regions, income groups of countries, and 187 countries. World Bank staff made projections to the point where populations reach stability. In almost all cases, they made only 1 projection. Projection tables for 1985-2030 exist for each country's population. Each country also has tables on birth rate, death rate, net migration, natural increase, population growth, total fertility rate, life expectancy, infant mortality rate, and dependency ratio. The report shows that from 1985-90 population growth was 1.74%, and projected 1990 world population size was 5.3 billion. By 2025, 84.1% of the world's population will be living in developing countries. 58% of the population now lives in Asia. The population of Africa is growing faster than that of Asia, however, (3 vs. 1.9%). By 2000, the population of Africa will be second only to that of Asia, yet in 1989-1990, it is behind that of Asia, Europe and the USSR, and the Americas. The current dependency ratio (67) is expected to decline to 53 by 2025. The highest current dependency ratio belongs to Kenya (120). In developed countries with aging populations, the dependency ratio will rise from 50-58. China will most likely to continue to be the most populous country for about 200 years. India will continue to contribute more to population growth than any other country in the world. Yet the Federal Republic of Germany loses 100,000 people yearly. Total fertility rates are the greatest in Rwanda, the Yemen Arab Republic, Kenya, Malawi, and the Ivory Coast (all >7.2). Afghanistan and 3 western African countries have the shortest life expectancies (about 40 years). These trends illustrate the need to alter population growth.
New York, New York, United Nations, 1992. vii, 46 p. (ST/ESA/SER.A/127)Methods pertaining to the preparation of migration data for subnational population projections as of 1992 are explained. A brief review of sources of data for migration projections (censuses, surveys, and registration data) reveals that the requirements are base period estimates of the level or rate of migration between regions, estimates of the age and sex distribution of migrants, and any indicators that show likely future trends. In a discussion of the measurement of the volume of migration from census date, data on residence at a fixed prior time, estimates based on previous place of residence and duration of residence, and estimates of net migration of census survival/ratio methods are relevant. Estimates of the distribution of migrants by age and sex are explained based on different age and sex data: on place of residence at a fixed prior date, on place of previous residence and duration of residence, on age distributions from surveys, and from registers. Also explained is the use of model migration schedules when there is little or no information about age. Baseline migration projections for future estimates which are reasonable and account for variable rates of migration by region are discussed. The objectives desired are sometimes contradictory in that using a long time frame in order to average out random or abnormal fluctuations conflicts with continuing recent nonrandom or unusual changes so that emergent trends will be projected; objectives are also to use the most recent data available which account for shifts in migration patterns and to ensure convergence of migration rates toward equilibrium at some future point. Alternative strategies are provided as well as adjustments to provide consistent results. Adjustments involve the projection of numbers of migrants rather than rates, the use of out-migrant data on destination to adjust in-migration, and the scaling of in-migration to equal out-migration. Recommendations for data collection are presented. Internal migration data are best served by census data which asks the question about place of residence at a fixed prior time preceding the census and with a time interval designation that is of interest for projections. Single year of age and prior year questions and 5 years before are desired due to the need for short-range projections and planning. The 5-year prior place of residence question must be available by current region of residence and age and sex. Specific examples of multiregional projections are included.
MECHANISMS OF AGEING AND DEVELOPMENT. 1991 Jan; 57(1):25-48.Demographic data published by the UN in 1987 are analyzed in terms of the Gompertz function. Projections for maximum lifespans are obtained, with the data broadly divisible into 3 clusters. These are attributable not only to the influence of high infant mortality, but suggest constitutional and/or environmental variations among members of the clusters. The difference between lifespan and life expectancy is estimated analytically. A comparison with earlier analysis supports the view that there are important differences between the life expectancies of the sexes.
[The controversies over population growth and economic development] Die Kontroversen um Bevolkerungswachstum und wirtschaftliche Entwicklung.
In: Probleme und Chancen demographischer Entwicklung in der dritten Welt, edited by Gunter Steinmann, Klaus F. Zimmermann, and Gerhard Heilig. New York, New York/Berlin, Germany, Federal Republic of, Springer-Verlag, 1988. 19-35.This paper presents a broad review of the major theoretical and political viewpoints concerning population growth and economic development. The western nations represent one side of the controversy; based on their experience with population growth in their former colonies, the western countries attempted to accelerate development by means of population control. The underlying economic reason for this approach is that excess births interfere with public and private savings and thus reduce the amount of capital available for development investment. A parallel assumption on the social side is that families had more children than they actually desired and that it was only proper to furnish families with contraceptives in order to control unwanted pregnancies. The competing point of view maintains that forcing the pace of development would unleash productive forces and stimulate better distribution of wealth by increasing social pressures on governments. The author traces the interaction between these two viewpoints and shows how the Treaty of Bucharest in 1974 marked a compromise between the two population policies and formed the basis for the activities of the population agencies of UN. The author then considers the question of whether European development can serve as a model for the present day 3rd World. The large differences between the sizes of age cohorts and the pressure that these differences exert upon internal population movements and the availability of food and housing is more important than the raw numbers alone.
Action by the United Nations to implement the recommendations of the World Population Conference, 1974: monitoring of population trends and policies.
New York, New York, United Nations, 1984 Dec. 10. 15 p. (E/CN.9/1984/2/Add.1)Pursuant to the recommendation of the World Population Plan of Action adopted in 1974, which was reaffirmed by the International Conference on Population in 1984, the United Nations has been undertaking a biennial review of population trends and policies. At the 22nd session of the Population Commission, held in January 1984, the Commission requested the Secretary-General to prepare an addendum to the concise report on monitoring of population trends and policies for the 23rd session, bearing in mind the relatively short time span since the preparation of the last such report. The purpose of the present document is to provide the Population Commission with such information to facilitate its deliberation on the agenda item. Analyses show that the gradual slow-down of global population growth is still holding with the present rate estimated at 1.65%/year, down from 2% during the 1960s. Declines have occurred in both the developed and the developing countries. Regional diversity of population trends have been so large that an overall global assessment seems almost irrelevant for policy consideration at national levels. The future population growth rate is expected to decline slower than it did in the past 15 years unless population policies change significantly. During the 1980-85 period the working age population (15-64 years) in the developing countries is estimated to have increased, on the average, at an annual rate of 2.8%, the elderly population (60 and over) at 3% and women in the reproductive ages (15-49 years) at 2.9%. The most urgent problem for many developing countries is perhaps the continuing very rapid increase of the working age population. The aging of the population, which bears significant policy implications, is among the most salient features of population change in the world, except for Africa. Fertility rates in most developed countries continue to fluctuate at low levels. No current data on developing country rates are available. An overall improvement in mortality in most countries is noted. A high rate of urban population growth in developing countries is a tremendous problem facing these countries. International migration, social and economic implications, demographic perceptions and governmental policies are summarized. National sovereignty, human rights, cultural values and peace are stressed as important factors in population policies. Women's status is discussed as playing a role in population change.
New York, United Nations, 1984. 108 p. (Population Studies, No. 85; ST/ESA/SER.A/85)The 3 parts of this report on world, regional, and international developments in the field of population, present a summary of levels, trends, and prospects in mortality, fertility, nuptiality, international migration, population growth, age structure, and urbanization; consider some important issues in the interrelationships between economic, social, and demographic variables, with special emphasis on the problems of food supply and employment; and deal with the policies and perceptions of governments on population matters. The 1st part of the report is based primarily on data compiled by the UN Population Division. The 2nd part is based on information provided by the Food and Agriculture Organization of the UN (FAO) and the International Labor Organization (ILO), as well as that compiled by the Population Division. The final part is based on information in the policy data bank maintained by the Population Division, including responses to the UN Fourth Population Inquiry among Governments. In 1975-80 the expectation of life at birth for the world was estimated at 57.2 years for both sexes combined. The corresponding figure for the developed and developing regions was 71.9 and 54.7 years, respectively. In 1975-80 the birthrate of the world was estimated at 28.9/1000 population and the gross reproduction rate was 1.91. These figures reflect considerable decline from the levels attained 25 years earlier: a crude birthrate of 38/1000 population and a gross reproduction rate of 2.44. World population grew from 2504 million in 1950 to 4453 million in 1983. Of the additional 1949 million people, 1645 million, or 84%, accrued to the less developed countries. The impact of population growth on economic development and social progress is not well understood. The governments of some developing countries still officially welcome a rapid rate of population growth. Many other governments see cause for concern in the need for the large increases in social expenditure, particularly for health and education, that accompany a young and growing population. Planners are concerned that the rapidly growing supply of labor, compounded by a trend toward rapid urbanization, may exceed that which the job market is likely to absorb. In the developed regions the prospect of a declining, or an aging, population is also cause for apprehension. There is a dearth of knowledge as to the impact of policies for altering the consequences of these trends. Many policies have been tried, in both developed and developing countries, to influence population growth and distribution, but the consequences of such policies have been difficult to assess. Frequently this problem arises because their primary objectives are not demographic in character.
Populi. 1983; 10(1):13-35.Levels and trends of fertility throughout the world during the 1970s are assessed in an effort to show how certain factors, modifications of which are directly or indirectly specified in the World Population Plan of Action as development goals, affected fertility and conditions of the family during the past decade. The demographic factors considered include age structure, marriage age, marital status, types of marital unions, and infant and early childhood mortality. The social, economic, and other factors include rural-urban residence, women's work, familial roles and family structure, social development, and health and contraceptive practice. Recent data indicate that the rate at which children are born into the world as a whole has continued its slow decline. During 1975-80 there were, on the average, 29 live births/1000 population at mid year. During the preceding 5-year period, there occurred annually about 32 live births/1000 population. This change represents a decline of 3 births/1000 population worldwide and approximately 14 million fewer births over a period of 5 years. This change in the global picture largely reflects the precipitous downward course that appears to have characterized China's crude birthrate. There are marked differences in fertility levels between developing and developed regions. In developing countries, births occurred on the average at the rate of 33/1000 population during 1975-80, compared with only about 16/1000 in the developed nations. Levels of the crude birthrate varied even more among individual countries. The changes in levels and trends of fertility may be attributed to many of the factors noted in the Plan of Action as requiring national and international efforts at improvement. The populations of the less developed and more developed regions as a whole aged somewhat during the decade of the 1970s. In both regions, the number of women in the reproductive ages increased relative to the size of the total population, but the change was more marked in the less developed regions. Recommendations in the Plan of Action as to establishment of an appropriate minimum age at 1st marriage subsume existence of too low an age at 1st marriage mainly in certain developing countries. The Plan of Action calls for the reduction of infant mortality as a goal in itself using a variety of means. Achievement of this goal might also affect fertility. Recent findings concerning the influence of social, economic, and other factors upon fertility levels and change are summarized, with focus on topics highlighted in the World Population Plan of Action.
In: Current problems in obstetrics and gynecology, Vol. 5, No. 6, edited by John M. Leventhal. Chicago, Illinois, Year Book Medical Publishers, 1982. 4-41.This article addresses the medical aspects of population growth, with specific focus on a demographic overview, population policies, family planning programs, and population issues in the US. The dimensions of the population problem and their implications for social and economic development are reviewed. The world's response to these issues is discussed, followed by an assessment of what has been accomplished, particularly as it relates to the record of national family planning programs in developing countries. The impact of population growth on such issues as education, available farm land, deforestation, and urban growth are discussed. Urban populations are growing at an unprecedented rate, posing urgent problems for action. From a public health perspective, data are reviewed which demonstrate that having children at short intervals (2 years) or at unfavorable maternal ages (18 or 35) and/or parity (4) has a negative impact on maternal, infant and childhood morbidity and mortality, particularly in developing countries. Increasing the age of marriage, delaying the 1st birth, changing and improving the status of women, increasing educational levels and improving living conditions in general also are important in reducing population growth. Probably the most important, but most controversial intervention, has been the development of national family planning programs aimed at increasing the public's access to modern contraceptive and sterilization methods. India was the 1st country to declare a formal population policy (in the 1950s) with the goal of reducing population growth. Currently, close to 35 countries have formal policies. The planned parenthood movement, with central support from the London office of the International Planned Parenthood Federation (IPPF), has played a most important role in making family planning services available. 2 population issues in the US today are reviewed briefly in the final section: teenage pregnancy and the changing age structure.