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World population continues to grow. As recently as 1970, only 6 countries had over 100 million inhabitants; 4 have joined the list since; another 5 will be added by 2020. This Brief presents the Census Bureau's latest estimates and projections of worldwide population totals, population growth, fertility, life expectancy, infant mortality, population density, and contraceptive use. Data come from the International Data Base, housed at the Bureau's Center for International Research (CIR).
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